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[AUCTeX-diffs] GNU AUCTeX branch, master, updated. c8d5756b03790d630b42d


From: Tassilo Horn
Subject: [AUCTeX-diffs] GNU AUCTeX branch, master, updated. c8d5756b03790d630b42dc9b179b748d2c12aed9
Date: Tue, 29 Dec 2020 11:44:14 -0500 (EST)

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU AUCTeX".

The branch, master has been updated
       via  c8d5756b03790d630b42dc9b179b748d2c12aed9 (commit)
       via  a98121bf1f39e593b01e53966eb8b3e0b448d093 (commit)
      from  a4020582b0a7b0017cc576327ba8ea23ae9db7d4 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit c8d5756b03790d630b42dc9b179b748d2c12aed9
Author: Tassilo Horn <tsdh@gnu.org>
Date:   Tue Dec 29 17:41:59 2020 +0100

    URI-encode ? in filename to %3F (bug#45510)
    
    * tex.el (TeX-evince-sync-view-1): Evince's dbus method wants an URI
    where ? is properly encoded as %3F so do so (bug#45510).

diff --git a/tex.el b/tex.el
index b255d39..936671a 100644
--- a/tex.el
+++ b/tex.el
@@ -1186,9 +1186,13 @@ DE is the name of the desktop environment, APP is the 
name of
 viewer."
   (require 'url-util)
   (let* ((uri (concat "file://"
-                      (url-encode-url
-                       (expand-file-name
-                        (TeX-active-master (TeX-output-extension))))))
+                      ;; bug#45510: ? in filenames must be escaped as
+                      ;; %3F to be a proper URI.
+                      (replace-regexp-in-string
+                       "[?]" "%3F"
+                       (url-encode-url
+                        (expand-file-name
+                         (TeX-active-master (TeX-output-extension)))))))
          (owner (dbus-call-method
                  :session (format "org.%s.%s.Daemon" de app)
                  (format "/org/%s/%s/Daemon" de app)

commit a98121bf1f39e593b01e53966eb8b3e0b448d093
Author: Tassilo Horn <tsdh@gnu.org>
Date:   Tue Dec 29 17:40:28 2020 +0100

    Untabify tex.el.

diff --git a/tex.el b/tex.el
index 6c66f28..b255d39 100644
--- a/tex.el
+++ b/tex.el
@@ -29,8 +29,8 @@
 ;;; Code:
 
 (when (or (< emacs-major-version 24)
-         (and (= emacs-major-version 24)
-              (< emacs-minor-version 3)))
+          (and (= emacs-major-version 24)
+               (< emacs-minor-version 3)))
   (error "AUCTeX requires Emacs 24.3 or later"))
 
 (require 'custom)
@@ -41,24 +41,24 @@
 
 ;; Silence the compiler for functions:
 (declare-function dbus-ignore-errors "ext:dbus"
-                 (&rest body))
+                  (&rest body))
 (declare-function dbus-get-unique-name "ext:dbusbind.c"
-                 (bus))
+                  (bus))
 (declare-function dbus-ping "ext:dbus"
-                 (bus service &optional timeout))
+                  (bus service &optional timeout))
 (declare-function dbus-introspect-get-method "ext:dbus"
-                 (bus service path interface method))
+                  (bus service path interface method))
 (declare-function dbus-call-method "ext:dbus"
-                 (bus service path interface method &rest args))
+                  (bus service path interface method &rest args))
 (declare-function dbus-register-signal "ext:dbus"
-                 (bus service path interface signal handler &rest args))
+                  (bus service path interface signal handler &rest args))
 (declare-function LaTeX-environment-list "latex"
-                 nil)
+                  nil)
 (declare-function tex--prettify-symbols-compose-p "ext:tex-mode"
-                 (start end match))
+                  (start end match))
 ;; spell-buffer was removed in 2008 in favor of ispell
 (declare-function spell-buffer "ext:text-mode"
-                 t)
+                  t)
 
 ;; Silence the compiler for variables:
 ;; tex.el: Variables defined somewhere in this file:
@@ -98,8 +98,8 @@
 ;; graphicx.el
 (defvar LaTeX-includegraphics-global-files)
 ;; Others:
-(defvar tex--prettify-symbols-alist)   ; tex-mode.el
-(defvar Info-file-list-for-emacs)      ; info.el
+(defvar tex--prettify-symbols-alist)    ; tex-mode.el
+(defvar Info-file-list-for-emacs)       ; info.el
 (defvar dbus-debug)                     ; dbus.el
 
 (defgroup TeX-file nil
@@ -134,8 +134,8 @@
   "Command to run plain TeX on Omega."
   :group 'TeX-command
   :type '(choice (const :tag "Aleph" "aleph")
-                (const :tag "Omega" "omega")
-                (string :tag "Other command")))
+                 (const :tag "Omega" "omega")
+                 (string :tag "Other command")))
 
 (defcustom LaTeX-command "latex"
   "Command to run LaTeX."
@@ -146,8 +146,8 @@
   "Command to run LaTeX on Omega."
   :group 'TeX-command
   :type '(choice (const :tag "Lamed" "lamed")
-                (const :tag "Lambda" "lambda")
-                (string :tag "Other command")))
+                 (const :tag "Lambda" "lambda")
+                 (string :tag "Other command")))
 
 (defcustom TeX-file-line-error t
   "Whether to have TeX produce file:line:error style error messages."
@@ -159,14 +159,14 @@
 If nil, none is specified."
   :group 'TeX-command
   :type '(choice (const :tag "Unspecified" nil)
-                string))
+                 string))
 
 (defcustom ConTeXt-Omega-engine TeX-Omega-command
   "Engine to use for --engine in the texexec command in Omega mode.
 If nil, none is specified."
   :group 'TeX-command
   :type '(choice (const :tag "Unspecified" nil)
-                string))
+                 string))
 ;; At least in TeXLive 2009 ConTeXt does not support an omega option anymore.
 (make-obsolete-variable 'ConTeXt-Omega-engine 'TeX-engine-alist "11.86")
 
@@ -204,7 +204,7 @@ If nil, none is specified."
      (context-mode) :help "Run ConTeXt until completion")
     ("BibTeX" "bibtex %s" TeX-run-BibTeX nil
      (plain-tex-mode latex-mode doctex-mode ams-tex-mode texinfo-mode
-                    context-mode)
+                     context-mode)
      :help "Run BibTeX")
     ("Biber" "biber %s" TeX-run-Biber nil
      (plain-tex-mode latex-mode doctex-mode ams-tex-mode texinfo-mode)
@@ -315,40 +315,40 @@ the respective mode names.
 Any additional elements get just transferred to the respective menu entries."
   :group 'TeX-command
   :type '(repeat (group :value ("" "" TeX-run-command nil t)
-                       (string :tag "Name")
-                       (string :tag "Command")
-                       (choice :tag "How"
-                               :value TeX-run-command
-                               (function-item TeX-run-command)
-                               (function-item TeX-run-format)
-                               (function-item TeX-run-TeX)
-                               (function-item TeX-run-interactive)
-                               (function-item TeX-run-BibTeX)
-                               (function-item TeX-run-Biber)
-                               (function-item TeX-run-compile)
-                               (function-item TeX-run-shell)
-                               (function-item TeX-run-discard)
-                               (function-item TeX-run-background)
-                               (function-item TeX-run-silent)
-                               (function-item TeX-run-discard-foreground)
-                               (function-item TeX-run-function)
-                               (function-item TeX-run-discard-or-function)
-                               (function :tag "Other"))
-                       (boolean :tag "Prompt")
-                       (choice :tag "Modes"
-                               (const :tag "All" t)
-                               (set (const :tag "Plain TeX" plain-tex-mode)
-                                    (const :tag "LaTeX" latex-mode)
-                                    (const :tag "DocTeX" doctex-mode)
-                                    (const :tag "ConTeXt" context-mode)
-                                    (const :tag "Texinfo" texinfo-mode)
-                                    (const :tag "AmSTeX" ams-tex-mode)))
-                       (repeat :tag "Menu elements" :inline t sexp))))
+                        (string :tag "Name")
+                        (string :tag "Command")
+                        (choice :tag "How"
+                                :value TeX-run-command
+                                (function-item TeX-run-command)
+                                (function-item TeX-run-format)
+                                (function-item TeX-run-TeX)
+                                (function-item TeX-run-interactive)
+                                (function-item TeX-run-BibTeX)
+                                (function-item TeX-run-Biber)
+                                (function-item TeX-run-compile)
+                                (function-item TeX-run-shell)
+                                (function-item TeX-run-discard)
+                                (function-item TeX-run-background)
+                                (function-item TeX-run-silent)
+                                (function-item TeX-run-discard-foreground)
+                                (function-item TeX-run-function)
+                                (function-item TeX-run-discard-or-function)
+                                (function :tag "Other"))
+                        (boolean :tag "Prompt")
+                        (choice :tag "Modes"
+                                (const :tag "All" t)
+                                (set (const :tag "Plain TeX" plain-tex-mode)
+                                     (const :tag "LaTeX" latex-mode)
+                                     (const :tag "DocTeX" doctex-mode)
+                                     (const :tag "ConTeXt" context-mode)
+                                     (const :tag "Texinfo" texinfo-mode)
+                                     (const :tag "AmSTeX" ams-tex-mode)))
+                        (repeat :tag "Menu elements" :inline t sexp))))
 
 (defcustom TeX-command-output-list
   '(
-                                       ; Add the following line if you want to 
use htlatex (tex4ht)
-                                       ;    ("\\`htlatex" ("html"))
+                                        ; Add the following line if you want 
to use htlatex (tex4ht)
+                                        ;    ("\\`htlatex" ("html"))
     )
   "List of regexps and file extensions.
 
@@ -370,22 +370,22 @@ Extensions must be given without the \".\"."
 
   :group 'TeX-command
   :type '(repeat (group (regexp :tag "Command Regexp")
-                       (choice (string :tag "Default Extension")
-                               (group (string :tag "Fixed Extension"))))))
+                        (choice (string :tag "Default Extension")
+                                (group (string :tag "Fixed Extension"))))))
 
 ;; You may want to change the default LaTeX version for your site.
 (defcustom LaTeX-version "2e"
   "Default LaTeX version.  Currently recognized is \"2\" and \"2e\"."
   :group 'LaTeX
   :type '(radio (const :format "%v\n%h"
-                      :doc "\
+                       :doc "\
 The executable `latex' is LaTeX version 2."
-                      "2")
-               (const :format "%v\n%h"
-                      :doc "\
+                       "2")
+                (const :format "%v\n%h"
+                       :doc "\
 The executable `latex' is LaTeX version 2e."
-                      "2e")
-               (string :tag "Other")))
+                       "2e")
+                (string :tag "Other")))
 
 
 ;; Use different compilation commands depending on style.
@@ -403,7 +403,7 @@ match is used, if no match is found the `%l' is replaced 
with the empty
 string."
   :group 'TeX-command
   :type '(repeat (group :value ("" "")
-                       regexp (string :tag "Style"))))
+                        regexp (string :tag "Style"))))
 
 ;; Printing: If you want to print, TeX-print-command must be non-nil
 ;; (if it is nil, you'll get a complaint when using the print menu).
@@ -428,7 +428,7 @@ performed as specified in `TeX-expand-list'.  If it is nil,
 then customization is requested."
   :group 'TeX-command
   :type '(choice (string :tag "Print command")
-                (const :tag "No print command customized" nil)))
+                 (const :tag "No print command customized" nil)))
 
 (defcustom TeX-queue-command "lpq -P%p"
   "Command used to show the status of a printer queue.
@@ -438,7 +438,7 @@ performed as specified in `TeX-expand-list'.  If this is 
nil,
 the printer has no corresponding command."
   :group 'TeX-command
   :type '(choice (string :tag "Queue check command")
-                (const :tag "No such command" nil)))
+                 (const :tag "No such command" nil)))
 
 ;; Enter the names of the printers available at your site, or nil if
 ;; you only have one printer.
@@ -469,22 +469,22 @@ If this list is empty, only `TeX-print-command' and 
`TeX-queue-command'
 get consulted."
   :group 'TeX-command
   :type '(repeat (group (string :tag "Name")
-                       (option (group :inline t
-                                      :extra-offset -4
-                                      (choice :tag "Print"
-                                              (const :tag "default")
-                                              (string :format "%v"))
-                                      (option (choice :tag "Queue"
-                                                      (const :tag "default")
-                                                      (string
-                                                       :format "%v"))))))))
+                        (option (group :inline t
+                                       :extra-offset -4
+                                       (choice :tag "Print"
+                                               (const :tag "default")
+                                               (string :format "%v"))
+                                       (option (choice :tag "Queue"
+                                                       (const :tag "default")
+                                                       (string
+                                                        :format "%v"))))))))
 
 ;; The name of the most used printer.
 
 (defcustom TeX-printer-default (or (getenv "PRINTER")
-                                  (and TeX-printer-list
-                                       (car (car TeX-printer-list)))
-                                  "lp")
+                                   (and TeX-printer-list
+                                        (car (car TeX-printer-list)))
+                                   "lp")
   "Default printer to use with `TeX-command'."
   :group 'TeX-command
   :type 'string)
@@ -520,41 +520,41 @@ string."
 
 (defvar TeX-expand-list-builtin
   '(("%q" (lambda ()
-           (TeX-printer-query t)))
+            (TeX-printer-query t)))
     ("%V" (lambda ()
-           (TeX-source-correlate-start-server-maybe)
-           (TeX-view-command-raw)))
+            (TeX-source-correlate-start-server-maybe)
+            (TeX-view-command-raw)))
     ("%r" (lambda ()
-           (TeX-style-check TeX-print-style)))
+            (TeX-style-check TeX-print-style)))
     ("%l" (lambda ()
-           (TeX-style-check LaTeX-command-style)))
+            (TeX-style-check LaTeX-command-style)))
     ("%(PDF)" (lambda ()
-               (if (and (eq TeX-engine 'default)
-                        (if TeX-PDF-mode
-                            (not (TeX-PDF-from-DVI))
-                          TeX-DVI-via-PDFTeX))
-                   "pdf"
-                 "")))
+                (if (and (eq TeX-engine 'default)
+                         (if TeX-PDF-mode
+                             (not (TeX-PDF-from-DVI))
+                           TeX-DVI-via-PDFTeX))
+                    "pdf"
+                  "")))
     ("%(PDFout)" (lambda ()
-                  (cond ((eq major-mode 'ams-tex-mode)
-                         (if TeX-PDF-mode
-                             " -output-format=pdf"
-                           " -output-format=dvi"))
-                        ((and (eq TeX-engine 'xetex)
-                              (not TeX-PDF-mode))
-                         " -no-pdf")
-                        ((and (eq TeX-engine 'luatex)
-                              (not TeX-PDF-mode))
-                         " --output-format=dvi")
-                        ((and (eq TeX-engine 'default)
-                              (not TeX-PDF-mode)
-                              TeX-DVI-via-PDFTeX)
-                         " \"\\pdfoutput=0 \"")
-                        (t ""))))
+                   (cond ((eq major-mode 'ams-tex-mode)
+                          (if TeX-PDF-mode
+                              " -output-format=pdf"
+                            " -output-format=dvi"))
+                         ((and (eq TeX-engine 'xetex)
+                               (not TeX-PDF-mode))
+                          " -no-pdf")
+                         ((and (eq TeX-engine 'luatex)
+                               (not TeX-PDF-mode))
+                          " --output-format=dvi")
+                         ((and (eq TeX-engine 'default)
+                               (not TeX-PDF-mode)
+                               TeX-DVI-via-PDFTeX)
+                          " \"\\pdfoutput=0 \"")
+                         (t ""))))
     ("%(mode)" (lambda ()
-                (if TeX-interactive-mode
-                    ""
-                  " -interaction=nonstopmode")))
+                 (if TeX-interactive-mode
+                     ""
+                   " -interaction=nonstopmode")))
     ("%(file-line-error)"
      (lambda () (if TeX-file-line-error " -file-line-error" "")))
     ("%(o?)" (lambda () (if (eq TeX-engine 'omega) "o" "")))
@@ -567,17 +567,17 @@ string."
     ("%dS" TeX-source-specials-view-expand-options)
     ("%cS" TeX-source-specials-view-expand-client)
     ("%(outpage)" (lambda ()
-                   ;; When `TeX-source-correlate-output-page-function' is nil
-                   ;; and we are using synctex, fallback on
-                   ;; `TeX-synctex-output-page'.
-                   (and TeX-source-correlate-mode
-                        (null TeX-source-correlate-output-page-function)
-                        (eq (TeX-source-correlate-method-active) 'synctex)
-                        (setq TeX-source-correlate-output-page-function
-                              'TeX-synctex-output-page))
-                   (or (if TeX-source-correlate-output-page-function
-                           (funcall TeX-source-correlate-output-page-function))
-                       "1")))
+                    ;; When `TeX-source-correlate-output-page-function' is nil
+                    ;; and we are using synctex, fallback on
+                    ;; `TeX-synctex-output-page'.
+                    (and TeX-source-correlate-mode
+                         (null TeX-source-correlate-output-page-function)
+                         (eq (TeX-source-correlate-method-active) 'synctex)
+                         (setq TeX-source-correlate-output-page-function
+                               'TeX-synctex-output-page))
+                    (or (if TeX-source-correlate-output-page-function
+                            (funcall 
TeX-source-correlate-output-page-function))
+                        "1")))
     ;; `TeX-active-master-with-quotes' calls either `TeX-master-file'
     ;; or `TeX-region-file' returning the master or region file, and
     ;; adds suitable quotes for use in shell command line.
@@ -594,37 +594,37 @@ string."
     ;; 3. Each TeX codes between %` and %' must be enclosed in
     ;;    double quotes and preceded by a space.
     ("%`" (lambda nil
-           (setq TeX-command-pos t TeX-command-text nil)
-           ""))
+            (setq TeX-command-pos t TeX-command-text nil)
+            ""))
     (" \"\\" (lambda nil
-              (if (eq TeX-command-pos t)
-                  (setq TeX-command-pos TeX-expand-pos
-                        TeX-expand-pos (+ 3 TeX-expand-pos))
-                (setq TeX-expand-pos (1+ TeX-expand-pos)))))
+               (if (eq TeX-command-pos t)
+                   (setq TeX-command-pos TeX-expand-pos
+                         TeX-expand-pos (+ 3 TeX-expand-pos))
+                 (setq TeX-expand-pos (1+ TeX-expand-pos)))))
     ("\"" (lambda nil (if (numberp TeX-command-pos)
-                         (setq TeX-command-text
-                               (concat
-                                TeX-command-text
-                                (substring TeX-expand-command
-                                           TeX-command-pos
-                                           (1+ TeX-expand-pos)))
-                               TeX-expand-command
-                               (concat
-                                (substring TeX-expand-command
-                                           0
-                                           TeX-command-pos)
-                                (substring TeX-expand-command
-                                           (1+ TeX-expand-pos)))
-                               TeX-expand-pos TeX-command-pos
-                               TeX-command-pos t)
-                       (setq TeX-expand-pos (1+ TeX-expand-pos)))))
+                          (setq TeX-command-text
+                                (concat
+                                 TeX-command-text
+                                 (substring TeX-expand-command
+                                            TeX-command-pos
+                                            (1+ TeX-expand-pos)))
+                                TeX-expand-command
+                                (concat
+                                 (substring TeX-expand-command
+                                            0
+                                            TeX-command-pos)
+                                 (substring TeX-expand-command
+                                            (1+ TeX-expand-pos)))
+                                TeX-expand-pos TeX-command-pos
+                                TeX-command-pos t)
+                        (setq TeX-expand-pos (1+ TeX-expand-pos)))))
     ("%'" (lambda nil
-           (setq TeX-command-pos nil)
-           (if (stringp TeX-command-text)
-               (progn
-                 (setq TeX-expand-pos (+ TeX-expand-pos (length 
TeX-command-text) 9))
-                 (concat TeX-command-text " \"\\input\""))
-             "")))
+            (setq TeX-command-pos nil)
+            (if (stringp TeX-command-text)
+                (progn
+                  (setq TeX-expand-pos (+ TeX-expand-pos (length 
TeX-command-text) 9))
+                  (concat TeX-command-text " \"\\input\""))
+              "")))
     ;; The fourth argument of t directs to supply "\detokenize{}" when
     ;; necessary. See doc string and comment of
     ;; `TeX-active-master-with-quotes'.
@@ -668,10 +668,10 @@ Programs should not use these variables directly but the 
function
 `TeX-expand-list'."
   :group 'TeX-command
   :type '(repeat (group (string :tag "Key")
-                       (sexp :tag "Expander")
-                       (repeat :inline t
-                               :tag "Arguments"
-                               (sexp :format "%v")))))
+                        (sexp :tag "Expander")
+                        (repeat :inline t
+                                :tag "Arguments"
+                                (sexp :format "%v")))))
 
 (defun TeX-expand-list ()
   "Complete list of expansion strings for TeX command names.
@@ -733,7 +733,7 @@ emacs 24.1 and is then later run by emacs 24.5."
   (if (fboundp name)             ;If macro exists at compile-time, just use it.
       then
     `(if (fboundp ',name)               ;Else, check if it exists at run-time.
-        (eval ',then)                  ;If it does, then run the then code.
+         (eval ',then)                  ;If it does, then run the then code.
        ,@else)))                ;Otherwise, run the else code.
 
 (require 'easymenu)
@@ -741,20 +741,20 @@ emacs 24.1 and is then later run by emacs 24.5."
 ;;; Documentation for Info-goto-emacs-command-node and similar
 
 (eval-after-load 'info '(dolist (elt '("TeX" "LaTeX" "ConTeXt" "Texinfo"
-                                      "docTeX"))
-                         (add-to-list 'Info-file-list-for-emacs
-                                      (cons elt "AUCTeX"))))
+                                       "docTeX"))
+                          (add-to-list 'Info-file-list-for-emacs
+                                       (cons elt "AUCTeX"))))
 
 (defadvice hack-one-local-variable (after TeX-hack-one-local-variable-after
-                                         activate)
+                                          activate)
   "Call minor mode function if minor mode variable is found."
   (let ((var (ad-get-arg 0))
-       (val (ad-get-arg 1)))
+        (val (ad-get-arg 1)))
     ;; Instead of checking for each mode explicitely `minor-mode-list'
     ;; could be used.  But this may make the byte compiler pop up.
     (when (memq var '(TeX-PDF-mode
-                     TeX-source-correlate-mode TeX-interactive-mode
-                     TeX-fold-mode LaTeX-math-mode))
+                      TeX-source-correlate-mode TeX-interactive-mode
+                      TeX-fold-mode LaTeX-math-mode))
       (if (symbol-value val) (funcall var 1) (funcall var 0)))))
 
 (defvar TeX-overlay-priority-step 16
@@ -771,51 +771,51 @@ overlays between two existing ones.")
 (require 'crm)
 
 (if (or (and (= emacs-major-version 24) (>= emacs-minor-version 4))
-       (>= emacs-major-version 25))
+        (>= emacs-major-version 25))
     ;; For GNU Emacs 24.4 or later, based on `completing-read-multiple' of
     ;; git commit b14abca9476cba2f500b5eda89441d593dd0f12b
     ;;   2013-01-10  * lisp/emacs-lisp/crm.el: Allow any regexp for separators.
     (defun TeX-completing-read-multiple
-       (prompt table &optional predicate require-match initial-input
-               hist def inherit-input-method)
+        (prompt table &optional predicate require-match initial-input
+                hist def inherit-input-method)
       "Like `completing-read-multiple' which see.
 Retain zero-length substrings but ensure that empty input results
 in nil across different emacs versions."
       (unwind-protect
-         (progn
-           (add-hook 'choose-completion-string-functions
-                     'crm--choose-completion-string)
-           (let* ((minibuffer-completion-table #'crm--collection-fn)
-                  (minibuffer-completion-predicate predicate)
-                  ;; see completing_read in src/minibuf.c
-                  (minibuffer-completion-confirm
-                   (unless (eq require-match t) require-match))
-                  (crm-completion-table table)
-                  (map (if require-match
-                           crm-local-must-match-map
-                         crm-local-completion-map))
-                  ;; If the user enters empty input, `read-from-minibuffer'
-                  ;; returns the empty string, not DEF.
-                  (input (read-from-minibuffer
-                          prompt initial-input map
-                          nil hist def inherit-input-method))
-                  result)
-             (and def (string-equal input "") (setq input def))
-             (if (equal (setq result (split-string input crm-separator))
-                        '(""))
-                 nil
-               result)))
-       (remove-hook 'choose-completion-string-functions
-                    'crm--choose-completion-string)))
+          (progn
+            (add-hook 'choose-completion-string-functions
+                      'crm--choose-completion-string)
+            (let* ((minibuffer-completion-table #'crm--collection-fn)
+                   (minibuffer-completion-predicate predicate)
+                   ;; see completing_read in src/minibuf.c
+                   (minibuffer-completion-confirm
+                    (unless (eq require-match t) require-match))
+                   (crm-completion-table table)
+                   (map (if require-match
+                            crm-local-must-match-map
+                          crm-local-completion-map))
+                   ;; If the user enters empty input, `read-from-minibuffer'
+                   ;; returns the empty string, not DEF.
+                   (input (read-from-minibuffer
+                           prompt initial-input map
+                           nil hist def inherit-input-method))
+                   result)
+              (and def (string-equal input "") (setq input def))
+              (if (equal (setq result (split-string input crm-separator))
+                         '(""))
+                  nil
+                result)))
+        (remove-hook 'choose-completion-string-functions
+                     'crm--choose-completion-string)))
   ;; For GNU Emacs <= 24.3.
   (defun TeX-completing-read-multiple
       (prompt table &optional predicate require-match initial-input
-             hist def inherit-input-method)
+              hist def inherit-input-method)
     "Like `completing-read-multiple' which see.
 Ensures that empty input results in nil across different emacs versions."
     (let ((result (completing-read-multiple prompt table predicate
-                                           require-match initial-input
-                                           hist def inherit-input-method)))
+                                            require-match initial-input
+                                            hist def inherit-input-method)))
       (if (equal result '("")) nil result))))
 
 (defun TeX-read-string (prompt &optional initial-input history default-value)
@@ -836,20 +836,20 @@ overlays."
   (let (outer-priority inner-priority ov-priority)
     (dolist (ov (overlays-in start end))
       (when (or (eq (overlay-get ov 'category) 'TeX-fold)
-               (overlay-get ov 'preview-state))
-       (setq ov-priority (overlay-get ov 'priority))
-       (if (>= (overlay-start ov) start)
-           (setq inner-priority (max ov-priority (or inner-priority
-                                                     ov-priority)))
-         (setq outer-priority (min ov-priority (or outer-priority
-                                                   ov-priority))))))
+                (overlay-get ov 'preview-state))
+        (setq ov-priority (overlay-get ov 'priority))
+        (if (>= (overlay-start ov) start)
+            (setq inner-priority (max ov-priority (or inner-priority
+                                                      ov-priority)))
+          (setq outer-priority (min ov-priority (or outer-priority
+                                                    ov-priority))))))
     (cond ((and inner-priority (not outer-priority))
-          (+ inner-priority TeX-overlay-priority-step))
-         ((and (not inner-priority) outer-priority)
-          (/ outer-priority 2))
-         ((and inner-priority outer-priority)
-          (+ (/ (- outer-priority inner-priority) 2) inner-priority))
-         (t TeX-overlay-priority-step))))
+           (+ inner-priority TeX-overlay-priority-step))
+          ((and (not inner-priority) outer-priority)
+           (/ outer-priority 2))
+          ((and inner-priority outer-priority)
+           (+ (/ (- outer-priority inner-priority) 2) inner-priority))
+          (t TeX-overlay-priority-step))))
 
 (defun TeX-delete-dups-by-car (alist &optional keep-list)
   "Return a list of all elements in ALIST, but each car only once.
@@ -857,15 +857,15 @@ Elements of KEEP-LIST are not removed even if duplicate."
   ;; Copy of `reftex-uniquify-by-car' (written by David Kastrup).
   (setq keep-list (TeX-sort-strings keep-list))
   (setq alist (sort (copy-sequence alist)
-                   #'TeX-car-string-lessp))
+                    #'TeX-car-string-lessp))
   (let ((new alist) elt)
     (while (cdr new)
       (setq elt (caar new))
       (while (and keep-list (string< (car keep-list) elt))
-       (setq keep-list (cdr keep-list)))
+        (setq keep-list (cdr keep-list)))
       (unless (and keep-list (string= elt (car keep-list)))
-       (while (string= elt (car (cadr new)))
-         (setcdr new (cddr new))))
+        (while (string= elt (car (cadr new)))
+          (setcdr new (cddr new))))
       (setq new (cdr new))))
   alist)
 
@@ -876,7 +876,7 @@ Elements of KEEP-LIST are not removed even if duplicate."
     (while (cdr new)
       (setq elt (car new))
       (while (string= elt (cadr new))
-       (setcdr new (cddr new)))
+        (setcdr new (cddr new)))
       (setq new (cdr new))))
   list)
 
@@ -902,8 +902,8 @@ If t display help buffer.  If nil display message about 
error in
 echo area.  If `expert' display output buffer with raw processor output."
   :group 'TeX-output
   :type '(choice (const :tag "Help buffer" t)
-                (const :tag "Echo area" nil)
-                (const :tag "Output buffer" expert)))
+                 (const :tag "Echo area" nil)
+                 (const :tag "Output buffer" expert)))
 
 (defcustom TeX-debug-bad-boxes nil
   "Non-nil means also find overfull/underfull box warnings with 
\\[TeX-next-error]."
@@ -927,8 +927,8 @@ If you want to use the custom function, see how it is used 
in the
 code of `TeX-warning'."
   :group 'TeX-command
   :type '(choice (const  :tag "Do not ignore anything" nil)
-                (string :tag "Regexp")
-                (symbol :tag "Function name")))
+                 (string :tag "Regexp")
+                 (symbol :tag "Function name")))
 
 (defcustom TeX-suppress-ignored-warnings nil
   "Whether to actually show ignored warnings.
@@ -942,14 +942,14 @@ Note that `TeX-debug-warnings' always takes the 
precedence."
   (interactive)
   (setq TeX-debug-bad-boxes (not TeX-debug-bad-boxes))
   (message (concat "TeX-debug-bad-boxes: "
-                  (if TeX-debug-bad-boxes "on" "off"))))
+                   (if TeX-debug-bad-boxes "on" "off"))))
 
 (defun TeX-toggle-debug-warnings ()
   "Toggle if the debugger should display warnings too."
   (interactive)
   (setq TeX-debug-warnings (not TeX-debug-warnings))
   (message (concat "TeX-debug-warnings: "
-                  (if TeX-debug-warnings "on" "off"))))
+                   (if TeX-debug-warnings "on" "off"))))
 
 (defun TeX-toggle-suppress-ignored-warnings ()
   "Toggle if the debugger should display ignored warnings too.
@@ -959,7 +959,7 @@ more details."
   (interactive)
   (setq TeX-suppress-ignored-warnings (not TeX-suppress-ignored-warnings))
   (message (concat "TeX-suppress-ignored-warnings: "
-                  (if TeX-suppress-ignored-warnings "on" "off"))))
+                   (if TeX-suppress-ignored-warnings "on" "off"))))
 
 ;;; Mode names.
 
@@ -984,38 +984,38 @@ name is to be updated.
 If RESET is non-nil, `TeX-command-next' is reset to
 `TeX-command-default' in updated buffers."
   (if (and changed
-          (not (and local (local-variable-p changed (current-buffer)))))
+           (not (and local (local-variable-p changed (current-buffer)))))
       (dolist (buffer (buffer-list))
-       (and (local-variable-p 'TeX-mode-p buffer)
-            (not (local-variable-p changed buffer))
-            (with-current-buffer buffer (TeX-set-mode-name nil nil reset))))
+        (and (local-variable-p 'TeX-mode-p buffer)
+             (not (local-variable-p changed buffer))
+             (with-current-buffer buffer (TeX-set-mode-name nil nil reset))))
     (if TeX-mode-p
-       (let ((trailing-flags
-              (concat
-               (and (boundp 'TeX-fold-mode) TeX-fold-mode "F")
-               (and (boundp 'LaTeX-math-mode) LaTeX-math-mode "M")
-               (and TeX-PDF-mode "P")
-               (and TeX-interactive-mode "I")
-               (and TeX-source-correlate-mode "S"))))
-         (setq mode-name (concat TeX-base-mode-name
-                                 (when (> (length trailing-flags) 0)
-                                   (concat "/" trailing-flags))))
-         (when reset
-           (TeX-process-set-variable (TeX-master-file)
-                                     'TeX-command-next TeX-command-default)
-           (TeX-process-set-variable (TeX-region-file)
-                                     'TeX-command-next TeX-command-default))
-         (set-buffer-modified-p (buffer-modified-p))))))
+        (let ((trailing-flags
+               (concat
+                (and (boundp 'TeX-fold-mode) TeX-fold-mode "F")
+                (and (boundp 'LaTeX-math-mode) LaTeX-math-mode "M")
+                (and TeX-PDF-mode "P")
+                (and TeX-interactive-mode "I")
+                (and TeX-source-correlate-mode "S"))))
+          (setq mode-name (concat TeX-base-mode-name
+                                  (when (> (length trailing-flags) 0)
+                                    (concat "/" trailing-flags))))
+          (when reset
+            (TeX-process-set-variable (TeX-master-file)
+                                      'TeX-command-next TeX-command-default)
+            (TeX-process-set-variable (TeX-region-file)
+                                      'TeX-command-next TeX-command-default))
+          (set-buffer-modified-p (buffer-modified-p))))))
 
 (defun TeX-mode-prefix (&optional mode)
   "Return the prefix for the symbol MODE as string.
 If no mode is given the current major mode is used."
   (cdr (assoc (or mode major-mode) '((plain-tex-mode . "plain-TeX")
-                                    (latex-mode . "LaTeX")
-                                    (ams-tex-mode . "AmSTeX")
-                                    (doctex-mode . "docTeX")
-                                    (texinfo-mode . "Texinfo")
-                                    (context-mode . "ConTeXt")))))
+                                     (latex-mode . "LaTeX")
+                                     (ams-tex-mode . "AmSTeX")
+                                     (doctex-mode . "docTeX")
+                                     (texinfo-mode . "Texinfo")
+                                     (context-mode . "ConTeXt")))))
 
 ;;; Viewing
 
@@ -1042,32 +1042,32 @@ If no mode is given the current major mode is used."
      TeX-source-correlate-mode)
     (paper-landscape
      (and (fboundp 'LaTeX-match-class-option)
-         (LaTeX-match-class-option "\\`landscape\\'")))
+          (LaTeX-match-class-option "\\`landscape\\'")))
     (paper-portrait
      (not (and (fboundp 'LaTeX-match-class-option)
-              (LaTeX-match-class-option "\\`landscape\\'"))))
+               (LaTeX-match-class-option "\\`landscape\\'"))))
     (paper-a4
      (let ((regex "\\`\\(?:a4paper\\|a4dutch\\|a4wide\\|sem-a4\\)\\'"))
        (or (TeX-match-style regex)
-          (and (fboundp 'LaTeX-match-class-option)
-               (LaTeX-match-class-option regex)))))
+           (and (fboundp 'LaTeX-match-class-option)
+                (LaTeX-match-class-option regex)))))
     (paper-a5
      (let ((regex "\\`\\(?:a5paper\\|a5comb\\)\\'"))
        (or (TeX-match-style regex)
-          (and (fboundp 'LaTeX-match-class-option)
-               (LaTeX-match-class-option regex)))))
+           (and (fboundp 'LaTeX-match-class-option)
+                (LaTeX-match-class-option regex)))))
     (paper-b5
      (and (fboundp 'LaTeX-match-class-option)
-         (LaTeX-match-class-option "\\`b5paper\\'")))
+          (LaTeX-match-class-option "\\`b5paper\\'")))
     (paper-letter
      (and (fboundp 'LaTeX-match-class-option)
-         (LaTeX-match-class-option "\\`letterpaper\\'")))
+          (LaTeX-match-class-option "\\`letterpaper\\'")))
     (paper-legal
      (and (fboundp 'LaTeX-match-class-option)
-         (LaTeX-match-class-option "\\`legalpaper\\'")))
+          (LaTeX-match-class-option "\\`legalpaper\\'")))
     (paper-executive
      (and (fboundp 'LaTeX-match-class-option)
-         (LaTeX-match-class-option "\\`executivepaper\\'"))))
+          (LaTeX-match-class-option "\\`executivepaper\\'"))))
   "Alist of built-in predicates for viewer selection and invocation.
 See the doc string of `TeX-view-predicate-list' for a short
 description of each predicate.")
@@ -1110,7 +1110,7 @@ The following built-in predicates are available:
 ;; Require dbus at compile time to prevent errors due to `dbus-ignore-errors'
 ;; not being defined.
 (eval-when-compile (and (featurep 'dbusbind)
-                       (require 'dbus nil :no-error)))
+                        (require 'dbus nil :no-error)))
 (defun TeX-evince-dbus-p (de app &rest options)
   "Return non-nil, if an evince-compatible reader is accessible via DBUS.
 Additional OPTIONS may be given to extend the check.  If none are
@@ -1122,26 +1122,26 @@ search are checked, too.
 DE is the name of the desktop environment, APP is the name of viewer."
   (let ((dbus-debug nil))
     (and (featurep 'dbusbind)
-        (require 'dbus nil :no-error)
-        (dbus-ignore-errors (dbus-get-unique-name :session))
-        (dbus-ping :session (format "org.%s.%s.Daemon" de app))
-        (or (not (memq :forward options))
-            (let ((spec (dbus-introspect-get-method
-                         :session (format "org.%s.%s.Daemon" de app)
-                         (format "/org/%s/%s/Daemon" de app)
-                         (format "org.%s.%s.Daemon" de app)
-                         "FindDocument")))
-              ;; FindDocument must exist, and its signature must be (String,
-              ;; Boolean, String).  Evince versions between 2.30 and 2.91.x
-              ;; didn't have the Boolean spawn argument we need to start evince
-              ;; initially.
-              (and spec
-                   (equal '("s" "b" "s")
-                          (delq nil (mapcar (lambda (elem)
-                                              (when (and (listp elem)
-                                                         (eq (car elem) 'arg))
-                                                (cdr (caar (cdr elem)))))
-                                            spec)))))))))
+         (require 'dbus nil :no-error)
+         (dbus-ignore-errors (dbus-get-unique-name :session))
+         (dbus-ping :session (format "org.%s.%s.Daemon" de app))
+         (or (not (memq :forward options))
+             (let ((spec (dbus-introspect-get-method
+                          :session (format "org.%s.%s.Daemon" de app)
+                          (format "/org/%s/%s/Daemon" de app)
+                          (format "org.%s.%s.Daemon" de app)
+                          "FindDocument")))
+               ;; FindDocument must exist, and its signature must be (String,
+               ;; Boolean, String).  Evince versions between 2.30 and 2.91.x
+               ;; didn't have the Boolean spawn argument we need to start 
evince
+               ;; initially.
+               (and spec
+                    (equal '("s" "b" "s")
+                           (delq nil (mapcar (lambda (elem)
+                                               (when (and (listp elem)
+                                                          (eq (car elem) 'arg))
+                                                 (cdr (caar (cdr elem)))))
+                                             spec)))))))))
 
 (defun TeX-pdf-tools-sync-view ()
   "Focus the focused page/paragraph in `pdf-view-mode'.
@@ -1156,16 +1156,16 @@ entry in `TeX-view-program-list-builtin'."
   (unless TeX-PDF-mode
     (error "PDF Tools only work with PDF output"))
   (add-hook 'pdf-sync-backward-redirect-functions
-           #'TeX-source-correlate-handle-TeX-region)
+            #'TeX-source-correlate-handle-TeX-region)
   (if (and TeX-source-correlate-mode
-          (fboundp 'pdf-sync-forward-search))
+           (fboundp 'pdf-sync-forward-search))
       (with-current-buffer (or (when TeX-current-process-region-p
-                                (get-file-buffer (TeX-region-file t)))
-                              (current-buffer))
-       (pdf-sync-forward-search))
+                                 (get-file-buffer (TeX-region-file t)))
+                               (current-buffer))
+        (pdf-sync-forward-search))
     (let ((pdf (TeX-active-master (TeX-output-extension))))
       (pop-to-buffer (or (find-buffer-visiting pdf)
-                        (find-file-noselect pdf))))))
+                         (find-file-noselect pdf))))))
 
 (defcustom TeX-view-evince-keep-focus nil
   "Whether Emacs retains the focus when viewing PDF files with Evince.
@@ -1187,34 +1187,34 @@ viewer."
   (require 'url-util)
   (let* ((uri (concat "file://"
                       (url-encode-url
-                      (expand-file-name
-                       (TeX-active-master (TeX-output-extension))))))
-        (owner (dbus-call-method
-                :session (format "org.%s.%s.Daemon" de app)
-                (format "/org/%s/%s/Daemon" de app)
-                (format "org.%s.%s.Daemon" de app)
-                "FindDocument"
-                uri
-                t)))
+                       (expand-file-name
+                        (TeX-active-master (TeX-output-extension))))))
+         (owner (dbus-call-method
+                 :session (format "org.%s.%s.Daemon" de app)
+                 (format "/org/%s/%s/Daemon" de app)
+                 (format "org.%s.%s.Daemon" de app)
+                 "FindDocument"
+                 uri
+                 t)))
     (if owner
-       (with-current-buffer (or (when TeX-current-process-region-p
-                                  (get-file-buffer (TeX-region-file t)))
-                                (current-buffer))
-         (dbus-call-method
-          :session owner
-          (format "/org/%s/%s/Window/0" de app)
-          (format "org.%s.%s.Window" de app)
-          "SyncView"
-          (buffer-file-name)
-          (list :struct :int32 (1+ (TeX-current-offset))
-                ;; FIXME: Using `current-column' here is dubious.
-                ;; Most of CJK letters count as occupying 2 columns,
-                ;; so the column number is not equal to the number of
-                ;; the characters counting from the beginning of a
-                ;; line.  What is the right number to specify here?
-                ;; number of letters? bytes in UTF8? or other?
-                :int32 (1+ (current-column)))
-          :uint32 0)
+        (with-current-buffer (or (when TeX-current-process-region-p
+                                   (get-file-buffer (TeX-region-file t)))
+                                 (current-buffer))
+          (dbus-call-method
+           :session owner
+           (format "/org/%s/%s/Window/0" de app)
+           (format "org.%s.%s.Window" de app)
+           "SyncView"
+           (buffer-file-name)
+           (list :struct :int32 (1+ (TeX-current-offset))
+                 ;; FIXME: Using `current-column' here is dubious.
+                 ;; Most of CJK letters count as occupying 2 columns,
+                 ;; so the column number is not equal to the number of
+                 ;; the characters counting from the beginning of a
+                 ;; line.  What is the right number to specify here?
+                 ;; number of letters? bytes in UTF8? or other?
+                 :int32 (1+ (current-column)))
+           :uint32 0)
           (when TeX-view-evince-keep-focus
             (select-frame-set-input-focus (selected-frame))))
       (error "Couldn't find the %s instance for %s" (capitalize app) uri))))
@@ -1239,36 +1239,36 @@ viewer."
   (if (TeX-evince-dbus-p de app :forward)
       (intern (format "TeX-%s-sync-view" app))
     `(,app (mode-io-correlate
-           ;; With evince 3, -p N opens the page *labeled* N,
-           ;; and -i,--page-index the physical page N.
-           ,(if (string-match "--page-index"
-                              (shell-command-to-string (concat app " --help")))
-                " -i %(outpage)"
-              " -p %(outpage)")) " %o")))
+            ;; With evince 3, -p N opens the page *labeled* N,
+            ;; and -i,--page-index the physical page N.
+            ,(if (string-match "--page-index"
+                               (shell-command-to-string (concat app " 
--help")))
+                 " -i %(outpage)"
+               " -p %(outpage)")) " %o")))
 
 (defvar TeX-view-program-list-builtin
   (cond
    ((eq system-type 'windows-nt)
     '(("Yap" ("yap -1" (mode-io-correlate " -s %n%b") " %o") "yap")
       ("dviout" ("dviout -1 "
-                ((paper-a4 paper-portrait) "-y=A4 ")
-                ((paper-a4 paper-landscape) "-y=A4L ")
-                ((paper-a5 paper-portrait) "-y=A5 ")
-                ((paper-a5 paper-landscape) "-y=A5L ")
-                ((paper-b5 paper-portrait) "-y=E5 ")
-                ((paper-b5 paper-landscape) "-y=E5L ")
-                ((paper-b4jis paper-portrait) "-y=B4 ")
-                ((paper-b4jis paper-landscape) "-y=B4L ")
-                ((paper-b5jis paper-portrait) "-y=B5 ")
-                ((paper-b5jis paper-landscape) "-y=B5L ")
-                (paper-legal "-y=Legal ")
-                (paper-letter "-y=Letter ")
-                (paper-executive "-y=Executive ")
-                "%d" (mode-io-correlate " \"# %n '%b'\"")) "dviout")
+                 ((paper-a4 paper-portrait) "-y=A4 ")
+                 ((paper-a4 paper-landscape) "-y=A4L ")
+                 ((paper-a5 paper-portrait) "-y=A5 ")
+                 ((paper-a5 paper-landscape) "-y=A5L ")
+                 ((paper-b5 paper-portrait) "-y=E5 ")
+                 ((paper-b5 paper-landscape) "-y=E5L ")
+                 ((paper-b4jis paper-portrait) "-y=B4 ")
+                 ((paper-b4jis paper-landscape) "-y=B4L ")
+                 ((paper-b5jis paper-portrait) "-y=B5 ")
+                 ((paper-b5jis paper-landscape) "-y=B5L ")
+                 (paper-legal "-y=Legal ")
+                 (paper-letter "-y=Letter ")
+                 (paper-executive "-y=Executive ")
+                 "%d" (mode-io-correlate " \"# %n '%b'\"")) "dviout")
       ("PDF Tools" TeX-pdf-tools-sync-view)
       ("SumatraPDF"
        ("SumatraPDF -reuse-instance"
-       (mode-io-correlate " -forward-search \"%b\" %n") " %o")
+        (mode-io-correlate " -forward-search \"%b\" %n") " %o")
        "SumatraPDF")
       ("dvips and start" "dvips %d -o && start \"\" %f" "dvips")
       ("start" "start \"\" %o")))
@@ -1281,16 +1281,16 @@ viewer."
    (t
     `(("dvi2tty" ("dvi2tty -q -w 132 %o"))
       ("xdvi" ("%(o?)xdvi"
-              (mode-io-correlate " -sourceposition \"%n %b\" -editor \"%cS\"")
-              ((paper-a4 paper-portrait) " -paper a4")
-              ((paper-a4 paper-landscape) " -paper a4r")
-              ((paper-a5 paper-portrait) " -paper a5")
-              ((paper-a5 paper-landscape) " -paper a5r")
-              (paper-b5 " -paper b5")
-              (paper-letter " -paper us")
-              (paper-legal " -paper legal")
-              (paper-executive " -paper 7.25x10.5in")
-              " %d") "%(o?)xdvi")
+               (mode-io-correlate " -sourceposition \"%n %b\" -editor \"%cS\"")
+               ((paper-a4 paper-portrait) " -paper a4")
+               ((paper-a4 paper-landscape) " -paper a4r")
+               ((paper-a5 paper-portrait) " -paper a5")
+               ((paper-a5 paper-landscape) " -paper a5r")
+               (paper-b5 " -paper b5")
+               (paper-letter " -paper us")
+               (paper-legal " -paper legal")
+               (paper-executive " -paper 7.25x10.5in")
+               " %d") "%(o?)xdvi")
       ("dvips and gv" "%(o?)dvips %d -o && gv %f" ,(list "%(o?)dvips" "gv"))
       ("gv" "gv %o" "gv")
       ("xpdf" ("xpdf -remote %s -raise %o" (mode-io-correlate " %(outpage)")) 
"xpdf")
@@ -1302,8 +1302,8 @@ viewer."
       ("PDF Tools" TeX-pdf-tools-sync-view)
       ("Zathura"
        ("zathura %o"
-       (mode-io-correlate
-        " --synctex-forward %n:0:\"%b\" -x \"emacsclient +%{line} %{input}\""))
+        (mode-io-correlate
+         " --synctex-forward %n:0:\"%b\" -x \"emacsclient +%{line} 
%{input}\""))
        "zathura"))))
   "Alist of built-in viewer specifications.
 This variable should not be changed by the user who can use
@@ -1353,33 +1353,33 @@ restarting Emacs."
      (choice
       (group :tag "Command" (string :tag "Command"))
       (group :inline t :tag "Command parts"
-            (repeat
-             :tag "Command parts"
-             (choice
-              (string :tag "Command part")
-              (list :tag "Predicate and command part"
-                    ,(let (list)
-                       ;; Build the list of available predicates.
-                       (mapc (lambda (spec)
-                               (add-to-list 'list `(const ,(car spec))))
-                             (append TeX-view-predicate-list
-                                     TeX-view-predicate-list-builtin))
-                       ;; Sort the list alphabetically.
-                       (setq list (sort list
-                                        (lambda (a b)
-                                          (string<
-                                           (downcase (symbol-name (cadr a)))
-                                           (downcase (symbol-name (cadr 
b)))))))
-                       `(choice
-                         (choice :tag "Predicate" ,@list)
-                         (repeat :tag "List of predicates"
-                                 (choice :tag "Predicate" ,@list))))
-                    (string :tag "Command part")))))
+             (repeat
+              :tag "Command parts"
+              (choice
+               (string :tag "Command part")
+               (list :tag "Predicate and command part"
+                     ,(let (list)
+                        ;; Build the list of available predicates.
+                        (mapc (lambda (spec)
+                                (add-to-list 'list `(const ,(car spec))))
+                              (append TeX-view-predicate-list
+                                      TeX-view-predicate-list-builtin))
+                        ;; Sort the list alphabetically.
+                        (setq list (sort list
+                                         (lambda (a b)
+                                           (string<
+                                            (downcase (symbol-name (cadr a)))
+                                            (downcase (symbol-name (cadr 
b)))))))
+                        `(choice
+                          (choice :tag "Predicate" ,@list)
+                          (repeat :tag "List of predicates"
+                                  (choice :tag "Predicate" ,@list))))
+                     (string :tag "Command part")))))
       (group :tag "Function" function))
      (choice :tag "Viewer executable(s)"
-            (string :tag "One executable")
-            (repeat :tag "List of executables" (string :tag "Name"))
-            (const :tag "No executable" nil)))))
+             (string :tag "One executable")
+             (repeat :tag "List of executables" (string :tag "Name"))
+             (const :tag "No executable" nil)))))
 
 (defcustom TeX-view-program-selection
   (cond
@@ -1414,33 +1414,33 @@ and the viewer related to the first entry all 
predicates of which
 are evaluated positively is chosen."
   :group 'TeX-view
   :type `(alist :key-type
-               ;; Offer list of defined predicates.
-               ,(let (list)
-                  (mapc (lambda (spec)
-                          (add-to-list 'list `(const ,(car spec))))
-                        (append TeX-view-predicate-list
-                                TeX-view-predicate-list-builtin))
-                  (setq list (sort list
-                                   (lambda (a b)
-                                     (string<
-                                      (downcase (symbol-name (cadr a)))
-                                      (downcase (symbol-name (cadr b)))))))
-                  `(choice (choice :tag "Single predicate" ,@list)
-                           (repeat :tag "Multiple predicates"
-                                   (choice ,@list))))
-               :value-type
-               ;; Offer list of defined viewers.
-               (group (choice :tag "Viewer"
-                              ,@(let (list)
-                                  (mapc (lambda (spec)
-                                          (add-to-list 'list
-                                                       `(const ,(car spec))))
-                                        (append TeX-view-program-list
-                                                TeX-view-program-list-builtin))
-                                  (sort list
-                                        (lambda (a b)
-                                          (string< (downcase (cadr a))
-                                                   (downcase (cadr b))))))))))
+                ;; Offer list of defined predicates.
+                ,(let (list)
+                   (mapc (lambda (spec)
+                           (add-to-list 'list `(const ,(car spec))))
+                         (append TeX-view-predicate-list
+                                 TeX-view-predicate-list-builtin))
+                   (setq list (sort list
+                                    (lambda (a b)
+                                      (string<
+                                       (downcase (symbol-name (cadr a)))
+                                       (downcase (symbol-name (cadr b)))))))
+                   `(choice (choice :tag "Single predicate" ,@list)
+                            (repeat :tag "Multiple predicates"
+                                    (choice ,@list))))
+                :value-type
+                ;; Offer list of defined viewers.
+                (group (choice :tag "Viewer"
+                               ,@(let (list)
+                                   (mapc (lambda (spec)
+                                           (add-to-list 'list
+                                                        `(const ,(car spec))))
+                                         (append TeX-view-program-list
+                                                 
TeX-view-program-list-builtin))
+                                   (sort list
+                                         (lambda (a b)
+                                           (string< (downcase (cadr a))
+                                                    (downcase (cadr b))))))))))
 
 (defun TeX-match-style (regexp)
   "Check if a style matching REGEXP is active."
@@ -1454,67 +1454,67 @@ In case of a single symbol, return t if the predicate 
is true,
 nil otherwise.  In case of a list of symbols, return t if all
 predicates are true, nil otherwise."
   (let ((pred-symbols (if (listp predicate) predicate (list predicate)))
-       (pred-defs (append TeX-view-predicate-list
-                          TeX-view-predicate-list-builtin))
-       (result t)
-       elt)
+        (pred-defs (append TeX-view-predicate-list
+                           TeX-view-predicate-list-builtin))
+        (result t)
+        elt)
     (while (and (setq elt (pop pred-symbols)) result)
       (unless (eval (cadr (assq elt pred-defs)))
-       (setq result nil)))
+        (setq result nil)))
     result))
 
 (defun TeX-view-command-raw ()
   "Choose a viewer and return its unexpanded command string."
   (let ((selection TeX-view-program-selection)
-       entry viewer item executable spec command)
+        entry viewer item executable spec command)
     ;; Find the appropriate viewer.
     (while (and (setq entry (pop selection)) (not viewer))
       (when (TeX-view-match-predicate (car entry))
-       (setq viewer (cadr entry))))
+        (setq viewer (cadr entry))))
     (unless viewer
       (error "No matching viewer found"))
     (setq item (assoc viewer (append TeX-view-program-list
-                                    TeX-view-program-list-builtin))
-         ;; Get the command line or function spec.
-         spec (cadr item)
-         ;; Get the name of the executable(s) associated to the viewer.
-         executable (nth 2 item))
+                                     TeX-view-program-list-builtin))
+          ;; Get the command line or function spec.
+          spec (cadr item)
+          ;; Get the name of the executable(s) associated to the viewer.
+          executable (nth 2 item))
     ;; Check the executable exists.
     (unless (or (null executable)
-               (cond
-                ((stringp executable)
-                 (executable-find (TeX-command-expand executable)))
-                ((listp executable)
-                 (catch 'notfound
-                   (dolist (exec executable t)
-                     (unless (executable-find (TeX-command-expand exec))
-                       (throw 'notfound nil)))))))
+                (cond
+                 ((stringp executable)
+                  (executable-find (TeX-command-expand executable)))
+                 ((listp executable)
+                  (catch 'notfound
+                    (dolist (exec executable t)
+                      (unless (executable-find (TeX-command-expand exec))
+                        (throw 'notfound nil)))))))
       (error (format "Cannot find %S viewer.  \
 Select another one in `TeX-view-program-selection'" viewer)))
     (cond ((functionp spec)
-          ;; Converting the function call to a string is ugly, but
-          ;; the backend currently only supports strings.
-          (prin1-to-string spec))
-         ((stringp spec)
-          spec)
-         ((null spec)
-          (error
-           (format "Unknown %S viewer. \
+           ;; Converting the function call to a string is ugly, but
+           ;; the backend currently only supports strings.
+           (prin1-to-string spec))
+          ((stringp spec)
+           spec)
+          ((null spec)
+           (error
+            (format "Unknown %S viewer. \
 Check the `TeX-view-program-selection' variable" viewer)))
-         (t
-          ;; Build the unexpanded command line.  Pieces with predicates are
-          ;; only added if the predicate is evaluated positively.
-          (dolist (elt spec)
-            (cond ((stringp elt)
-                   (setq command (concat command elt)))
-                  ((listp elt)
-                   (when (TeX-view-match-predicate (car elt))
-                     (setq command (concat command (cadr elt)))))))
-          (if (stringp command)
-              command
-            ;; Signal an error if `command' isn't a string.  This prevents an
-            ;; infinite loop in `TeX-command-expand' if `command' is nil.
-            (error "Wrong viewer specification in 
`TeX-view-program-list'"))))))
+          (t
+           ;; Build the unexpanded command line.  Pieces with predicates are
+           ;; only added if the predicate is evaluated positively.
+           (dolist (elt spec)
+             (cond ((stringp elt)
+                    (setq command (concat command elt)))
+                   ((listp elt)
+                    (when (TeX-view-match-predicate (car elt))
+                      (setq command (concat command (cadr elt)))))))
+           (if (stringp command)
+               command
+             ;; Signal an error if `command' isn't a string.  This prevents an
+             ;; infinite loop in `TeX-command-expand' if `command' is nil.
+             (error "Wrong viewer specification in 
`TeX-view-program-list'"))))))
 
 ;;; Engine
 
@@ -1544,10 +1544,10 @@ You can override a built-in engine defined in the 
variable
 same symbol as the built-in entry to `TeX-engine-alist'."
   :group 'TeX-command
   :type '(repeat (group symbol
-                       (string :tag "Name")
-                       (choice :tag "Plain TeX command" string variable)
-                       (choice :tag "LaTeX command" string variable)
-                       (choice :tag "ConTeXt command" string variable))))
+                        (string :tag "Name")
+                        (choice :tag "Plain TeX command" string variable)
+                        (choice :tag "LaTeX command" string variable)
+                        (choice :tag "ConTeXt command" string variable))))
 
 (defun TeX-engine-alist ()
   "Return an alist of TeX engines.
@@ -1564,19 +1564,19 @@ Throw an error if `engine' is not present in the alist."
   (or
    (assq engine (TeX-engine-alist))
    (error "`%s' is not a known engine.  Valid values are: %s." engine
-         (mapconcat
-          (lambda (x) (prin1-to-string (car x)))
-          (TeX-engine-alist) ", "))))
+          (mapconcat
+           (lambda (x) (prin1-to-string (car x)))
+           (TeX-engine-alist) ", "))))
 
 (defcustom TeX-engine 'default
   (concat "Type of TeX engine to use.
 It should be one of the following symbols:\n\n"
-         (mapconcat (lambda (x) (format "* `%s'" (car x)))
-                    (TeX-engine-alist) "\n"))
+          (mapconcat (lambda (x) (format "* `%s'" (car x)))
+                     (TeX-engine-alist) "\n"))
   :group 'TeX-command
   :type `(choice ,@(mapcar (lambda (x)
-                            `(const :tag ,(nth 1 x) ,(car x)))
-                          (TeX-engine-alist))))
+                             `(const :tag ,(nth 1 x) ,(car x)))
+                           (TeX-engine-alist))))
 (make-variable-buffer-local 'TeX-engine)
 (put 'TeX-engine 'safe-local-variable
      (lambda (arg) (memq arg (mapcar 'car TeX-engine-alist-builtin))))
@@ -1585,18 +1585,18 @@ It should be one of the following symbols:\n\n"
   "Set TeX engine to TYPE.
 For available TYPEs, see variable `TeX-engine'."
   (interactive (list (completing-read "Engine: "
-                                     (mapcar (lambda (x)
-                                               (symbol-name (car x)))
-                                             (TeX-engine-alist))
-                                     nil t)))
+                                      (mapcar (lambda (x)
+                                                (symbol-name (car x)))
+                                              (TeX-engine-alist))
+                                      nil t)))
   (when (stringp type)
     (setq type (intern type)))
   (setq TeX-engine type)
   ;; Automatically enable or disable TeX PDF mode as a convenience
   (cond ((eq type 'xetex)
-        (TeX-PDF-mode 1)
-        (setq TeX-PDF-from-DVI nil))
-       ((eq type 'omega) (TeX-PDF-mode 0))))
+         (TeX-PDF-mode 1)
+         (setq TeX-PDF-from-DVI nil))
+        ((eq type 'omega) (TeX-PDF-mode 0))))
 
 (define-minor-mode TeX-Omega-mode
   "Minor mode for using the Omega engine."
@@ -1629,17 +1629,17 @@ Programs should not use this variable directly but the 
function
 `TeX-source-correlate-method-active' which returns the method
 actually used for forward and inverse search."
   :type '(choice (const auto)
-                (const synctex)
-                (const source-specials)
-                (list :tag "Different method for DVI and PDF"
-                      (cons (const dvi)
-                            (choice :tag "Method for DVI mode"
-                                    (const synctex)
-                                    (const source-specials)))
-                      (cons (const pdf)
-                            (choice :tag "Method for PDF mode"
-                                    (const synctex)
-                                    (const source-specials)))))
+                 (const synctex)
+                 (const source-specials)
+                 (list :tag "Different method for DVI and PDF"
+                       (cons (const dvi)
+                             (choice :tag "Method for DVI mode"
+                                     (const synctex)
+                                     (const source-specials)))
+                       (cons (const pdf)
+                             (choice :tag "Method for PDF mode"
+                                     (const synctex)
+                                     (const source-specials)))))
   :group 'TeX-view)
 
 (defvar TeX-source-correlate-output-page-function nil
@@ -1651,8 +1651,8 @@ as a string.")
 (defcustom TeX-source-correlate-start-server 'ask
   "Control if server should be started for inverse search."
   :type '(choice (const :tag "Always" t)
-                (const :tag "Never" nil)
-                (const :tag "Ask" ask))
+                 (const :tag "Never" nil)
+                 (const :tag "Ask" ask))
   :group 'TeX-view)
 (when (fboundp 'defvaralias)
   (defvaralias 'TeX-source-specials-view-start-server
@@ -1669,48 +1669,48 @@ search, can set the variable.")
 (defun TeX-source-correlate-gnuserv-p ()
   "Guess whether to use gnuserv when a server is requested."
   (cond ((and (boundp 'gnuserv-process)
-             (processp gnuserv-process)))
-       ((and (boundp 'server-process)
-             (processp server-process))
-        nil)))
+              (processp gnuserv-process)))
+        ((and (boundp 'server-process)
+              (processp server-process))
+         nil)))
 
 (defun TeX-source-correlate-server-enabled-p ()
   "Return non-nil if Emacs server or gnuserv is enabled."
   (let* ((gnuserv-p (TeX-source-correlate-gnuserv-p))
-        (process (if gnuserv-p 'gnuserv-process 'server-process)))
+         (process (if gnuserv-p 'gnuserv-process 'server-process)))
     (and (boundp process) (processp (symbol-value process)))))
 
 (defun TeX-source-correlate-start-server-maybe ()
   "Start Emacs server or gnuserv if a feature using it is enabled.
 This is the case if `TeX-source-correlate-start-server-flag' is non-nil."
   (when (and TeX-source-correlate-start-server-flag
-            (not (TeX-source-correlate-server-enabled-p)))
+             (not (TeX-source-correlate-server-enabled-p)))
     (let* ((gnuserv-p (TeX-source-correlate-gnuserv-p))
-          (start (if gnuserv-p 'gnuserv-start 'server-start)))
+           (start (if gnuserv-p 'gnuserv-start 'server-start)))
       (cond
        ;; Server should be started unconditionally
        ((eq TeX-source-correlate-start-server t)
-       (funcall start))
+        (funcall start))
        ;; Ask user if server is to be started
        ((and (eq TeX-source-correlate-start-server 'ask)
-            (not TeX-source-correlate-start-server-asked)
-            (prog1
-                (y-or-n-p (format "Start %s for inverse search in viewer? "
-                                  (if gnuserv-p
-                                      "gnuserv"
-                                    "Emacs server")))
-              (setq TeX-source-correlate-start-server-asked t)))
-       (funcall start))))))
+             (not TeX-source-correlate-start-server-asked)
+             (prog1
+                 (y-or-n-p (format "Start %s for inverse search in viewer? "
+                                   (if gnuserv-p
+                                       "gnuserv"
+                                     "Emacs server")))
+               (setq TeX-source-correlate-start-server-asked t)))
+        (funcall start))))))
 
 (defun TeX-source-correlate-determine-method ()
   "Determine which method is available for forward and inverse search."
   (let ((help (condition-case nil
-                 (with-output-to-string
-                   (call-process LaTeX-command
-                                 nil (list standard-output nil) nil "--help"))
-               (error ""))))
+                  (with-output-to-string
+                    (call-process LaTeX-command
+                                  nil (list standard-output nil) nil "--help"))
+                (error ""))))
     (if (string-match "^[ ]*-?-synctex" help)
-       'synctex
+        'synctex
       'source-specials)))
 
 (defun TeX-source-correlate-method-active ()
@@ -1720,7 +1720,7 @@ This is the case if 
`TeX-source-correlate-start-server-flag' is non-nil."
     (TeX-source-correlate-determine-method))
    ((listp TeX-source-correlate-method)
     (if TeX-PDF-mode
-       (cdr (assoc 'pdf TeX-source-correlate-method))
+        (cdr (assoc 'pdf TeX-source-correlate-method))
       (cdr (assoc 'dvi TeX-source-correlate-method))))
    (t
     TeX-source-correlate-method)))
@@ -1731,15 +1731,15 @@ The return value depends on the value of 
`TeX-source-correlate-mode'.
 If this is nil, an empty string will be returned."
   (if TeX-source-correlate-mode
       (if (eq (TeX-source-correlate-method-active) 'source-specials)
-         (concat TeX-source-specials-tex-flags
-                 (if TeX-source-specials-places
-                     ;; -src-specials=WHERE: insert source specials
-                     ;; in certain places of the DVI file. WHERE is a
-                     ;; comma-separated value list: cr display hbox
-                     ;; math par parend vbox
-                     (concat "=" (mapconcat 'identity
-                                            TeX-source-specials-places ","))))
-       TeX-synctex-tex-flags)
+          (concat TeX-source-specials-tex-flags
+                  (if TeX-source-specials-places
+                      ;; -src-specials=WHERE: insert source specials
+                      ;; in certain places of the DVI file. WHERE is a
+                      ;; comma-separated value list: cr display hbox
+                      ;; math par parend vbox
+                      (concat "=" (mapconcat 'identity
+                                             TeX-source-specials-places ","))))
+        TeX-synctex-tex-flags)
     ""))
 
 (defvar TeX-source-correlate-map (make-sparse-keymap)
@@ -1751,17 +1751,17 @@ You could use this for unusual mouse bindings.")
 That is, if FILE is `TeX-region', update FILE to the real tex
 file and LINE to (+ LINE offset-of-region).  Else, return nil."
   (when (string-equal TeX-region (file-name-sans-extension
-                                 (file-name-nondirectory file)))
+                                  (file-name-nondirectory file)))
     (with-current-buffer (or (find-buffer-visiting file)
-                            (find-file-noselect file))
+                             (find-file-noselect file))
       (goto-char 0)
       ;; Same regexp used in `preview-parse-messages'.  XXX: XEmacs doesn't
       ;; support regexp classes, so we can't use "[:digit:]" here.
       (when (re-search-forward "!offset(\\([---0-9]+\\))" nil t)
-       (let ((offset (string-to-number (match-string-no-properties 1))))
-         (when TeX-region-orig-buffer
-           (list (expand-file-name (buffer-file-name TeX-region-orig-buffer))
-                 (+ line offset) col)))))))
+        (let ((offset (string-to-number (match-string-no-properties 1))))
+          (when TeX-region-orig-buffer
+            (list (expand-file-name (buffer-file-name TeX-region-orig-buffer))
+                  (+ line offset) col)))))))
 
 (defcustom TeX-raise-frame-function #'raise-frame
   "A function which will be called to raise the Emacs frame.
@@ -1803,34 +1803,34 @@ If the Emacs frame isn't raised, customize
   ;; absolute file:// URL.  In the former case, the tex file has to be already
   ;; opened.
   (let* ((file (progn
-                (require 'url-parse)
-                (require 'url-util)
-                (url-unhex-string (aref (url-generic-parse-url file) 6))))
-        (flc (or (apply #'TeX-source-correlate-handle-TeX-region file linecol)
-                 (apply #'list file linecol)))
-        (file (car flc))
-        (line (cadr flc))
-        (col  (nth 2 flc)))
+                 (require 'url-parse)
+                 (require 'url-util)
+                 (url-unhex-string (aref (url-generic-parse-url file) 6))))
+         (flc (or (apply #'TeX-source-correlate-handle-TeX-region file linecol)
+                  (apply #'list file linecol)))
+         (file (car flc))
+         (line (cadr flc))
+         (col  (nth 2 flc)))
     (pop-to-buffer (or (find-buffer-visiting file)
                        (find-file-noselect file)))
     (push-mark nil 'nomsg)
     (let ((pos
-          (when (> line 0)
-            (save-excursion
-              (save-restriction
-                (widen)
-                (goto-char 1)
-                (forward-line (1- line))
-                (when (> col 0)
-                  (forward-char (1- col)))
-                (point))))))
+           (when (> line 0)
+             (save-excursion
+               (save-restriction
+                 (widen)
+                 (goto-char 1)
+                 (forward-line (1- line))
+                 (when (> col 0)
+                   (forward-char (1- col)))
+                 (point))))))
       (when pos
-       (when (or (< pos (point-min))
-                 (> pos (point-max)))
-         (widen))
-       (goto-char pos))
+        (when (or (< pos (point-min))
+                  (> pos (point-max)))
+          (widen))
+        (goto-char pos))
       (when TeX-raise-frame-function
-       (funcall TeX-raise-frame-function)))))
+        (funcall TeX-raise-frame-function)))))
 
 (define-minor-mode TeX-source-correlate-mode
   "Minor mode for forward and inverse search.
@@ -1850,7 +1850,7 @@ SyncTeX are recognized."
   ;; buffer-local.
   :global t
   (set-keymap-parent TeX-mode-map (and TeX-source-correlate-mode
-                                      TeX-source-correlate-map))
+                                       TeX-source-correlate-map))
   (TeX-set-mode-name 'TeX-source-correlate-mode t t)
   (setq TeX-source-correlate-start-server-flag TeX-source-correlate-mode)
   ;; Register Emacs for the SyncSource DBUS signal emitted by
@@ -1869,7 +1869,7 @@ SyncTeX are recognized."
 (put 'TeX-source-correlate-mode 'safe-local-variable #'booleanp)
 (setq minor-mode-map-alist
       (delq (assq 'TeX-source-correlate-mode minor-mode-map-alist)
-           minor-mode-map-alist))
+            minor-mode-map-alist))
 
 
 ;;; Source Specials
@@ -1884,18 +1884,18 @@ SyncTeX are recognized."
 If nil, use (La)TeX's defaults."
   :group 'TeX-view
   :type '(list (set :inline t
-                   ;; :tag "Options known to work"
-                   ;; cr display hbox math par parend vbox
-                   (const "cr")
-                   (const "display")
-                   (const "hbox")
-                   (const "math")
-                   (const "par")
-                   (const "parend")
-                   (const "vbox"))
-              (repeat :inline t
-                      :tag "Other options"
-                      (string))))
+                    ;; :tag "Options known to work"
+                    ;; cr display hbox math par parend vbox
+                    (const "cr")
+                    (const "display")
+                    (const "hbox")
+                    (const "math")
+                    (const "par")
+                    (const "parend")
+                    (const "vbox"))
+               (repeat :inline t
+                       :tag "Other options"
+                       (string))))
 
 (defcustom TeX-source-specials-view-position-flags
   "-sourceposition \"%n %b\""
@@ -1926,17 +1926,17 @@ If nil, use (La)TeX's defaults."
   "Return gnuclient or emacslient executable with options.
 Return the full path to the executable if possible."
   (let* ((gnuserv-p (TeX-source-correlate-gnuserv-p))
-        (client-base (if gnuserv-p
-                         "gnuclient"
-                       "emacsclient"))
-        (client-full (and invocation-directory
-                          (expand-file-name client-base
-                                            invocation-directory)))
-        (options (if gnuserv-p
-                     TeX-source-specials-view-gnuclient-flags
-                   TeX-source-specials-view-emacsclient-flags)))
+         (client-base (if gnuserv-p
+                          "gnuclient"
+                        "emacsclient"))
+         (client-full (and invocation-directory
+                           (expand-file-name client-base
+                                             invocation-directory)))
+         (options (if gnuserv-p
+                      TeX-source-specials-view-gnuclient-flags
+                    TeX-source-specials-view-emacsclient-flags)))
     (if (and client-full (file-executable-p client-full))
-       (concat client-full " " options)
+        (concat client-full " " options)
       (concat client-base " " options))))
 
 (defun TeX-source-specials-view-expand-options (&optional _viewer)
@@ -1947,10 +1947,10 @@ The return value depends on the values of
 `source-specials' respectively, an empty string will be
 returned."
   (if (and TeX-source-correlate-mode
-          (eq (TeX-source-correlate-method-active) 'source-specials))
+           (eq (TeX-source-correlate-method-active) 'source-specials))
       (concat TeX-source-specials-view-position-flags
-             (when (TeX-source-correlate-server-enabled-p)
-               (concat " " TeX-source-specials-view-editor-flags)))
+              (when (TeX-source-correlate-server-enabled-p)
+                (concat " " TeX-source-specials-view-editor-flags)))
     ""))
 
 ;;; SyncTeX
@@ -1963,15 +1963,15 @@ returned."
 This method assumes that the document was compiled with SyncTeX
 enabled and the `synctex' binary is available."
   (let ((synctex-output
-        (with-output-to-string
-          (call-process "synctex" nil (list standard-output nil) nil "view"
-                        "-i" (format "%s:%s:%s" (1+ (TeX-current-offset))
-                                     ;; FIXME: Using `current-column'
-                                     ;; here is dubious.  See comment in
-                                     ;; `TeX-evince-sync-view-1'.
-                                     (1+ (current-column))
-                                     file)
-                        "-o" (TeX-active-master (TeX-output-extension))))))
+         (with-output-to-string
+           (call-process "synctex" nil (list standard-output nil) nil "view"
+                         "-i" (format "%s:%s:%s" (1+ (TeX-current-offset))
+                                      ;; FIXME: Using `current-column'
+                                      ;; here is dubious.  See comment in
+                                      ;; `TeX-evince-sync-view-1'.
+                                      (1+ (current-column))
+                                      file)
+                         "-o" (TeX-active-master (TeX-output-extension))))))
     (when (string-match "^Page:\\([0-9]+\\)" synctex-output)
       (match-string 1 synctex-output))))
 
@@ -1980,19 +1980,19 @@ enabled and the `synctex' binary is available."
 This method assumes that the document was compiled with SyncTeX
 enabled and the `synctex' binary is available."
   (let* ((file (file-relative-name (buffer-file-name)
-                                  (file-name-directory
-                                   (TeX-active-master))))
-        (abs-file (concat (expand-file-name (or (file-name-directory 
(TeX-active-master))
-                                                (file-name-directory 
(buffer-file-name))))
-                          "./" file)))
+                                   (file-name-directory
+                                    (TeX-active-master))))
+         (abs-file (concat (expand-file-name (or (file-name-directory 
(TeX-active-master))
+                                                 (file-name-directory 
(buffer-file-name))))
+                           "./" file)))
     ;; It's known that depending on synctex version one of
     ;; /absolute/path/./foo/bar.tex, foo/bar.tex, or ./foo/bar.tex (relative to
     ;; TeX-master, and the "." in the absolute path is important) are needed.
     ;; So try all variants before falling back to page 1.
     (or (TeX-synctex-output-page-1 abs-file)
-       (TeX-synctex-output-page-1 file)
-       (TeX-synctex-output-page-1 (concat "./" file))
-       "1")))
+        (TeX-synctex-output-page-1 file)
+        (TeX-synctex-output-page-1 (concat "./" file))
+        "1")))
 
 ;;; Miscellaneous minor modes
 
@@ -2022,7 +2022,7 @@ function `TeX-global-PDF-mode' for toggling this value."
   (setq TeX-PDF-mode-parsed nil)
   (TeX-set-mode-name nil nil t)
   (setq TeX-output-extension
-       (if TeX-PDF-mode "pdf" "dvi")))
+        (if TeX-PDF-mode "pdf" "dvi")))
 (add-to-list 'minor-mode-alist '(TeX-PDF-mode ""))
 
 (defun TeX-global-PDF-mode (&optional arg)
@@ -2030,8 +2030,8 @@ function `TeX-global-PDF-mode' for toggling this value."
   (interactive "P")
   (prog1
       (setq-default TeX-PDF-mode
-                   (if arg (> (prefix-numeric-value arg) 0)
-                     (not (default-value 'TeX-PDF-mode))))
+                    (if arg (> (prefix-numeric-value arg) 0)
+                      (not (default-value 'TeX-PDF-mode))))
     (TeX-set-mode-name 'TeX-PDF-mode nil t)))
 
 (defalias 'tex-pdf-mode 'TeX-PDF-mode)
@@ -2055,7 +2055,7 @@ already established, don't do anything."
 
   (if TeX-PDF-mode-parsed
       (unless (eq TeX-PDF-mode arg)
-       (TeX-PDF-mode (if (default-value 'TeX-PDF-mode) 1 0)))
+        (TeX-PDF-mode (if (default-value 'TeX-PDF-mode) 1 0)))
     (unless (local-variable-p 'TeX-PDF-mode (current-buffer))
       (TeX-PDF-mode (if arg 1 0))
       (setq TeX-PDF-mode-parsed t))))
@@ -2092,9 +2092,9 @@ Programs should not use this variable directly but the 
function
 `TeX-PDF-via-dvips-ps2pdf'."
   :group 'TeX-command
   :type '(choice
-         (const :tag "No DVI to PDF conversion" nil)
-         (const :tag "dvips - ps2pdf sequence" "Dvips")
-         (const :tag "dvipdfmx" "Dvipdfmx")))
+          (const :tag "No DVI to PDF conversion" nil)
+          (const :tag "dvips - ps2pdf sequence" "Dvips")
+          (const :tag "dvipdfmx" "Dvipdfmx")))
 ;; If you plan to support new values of `TeX-PDF-from-DVI' remember to update
 ;; `TeX-command-default' accordingly.
 (make-variable-buffer-local 'TeX-PDF-from-DVI)
@@ -2207,34 +2207,34 @@ If prefix ARG is non-nil, not only remove intermediate 
but also
 output files."
   (interactive "P")
   (let* ((mode-prefix (TeX-mode-prefix))
-        (suffixes (append (symbol-value
-                           (intern (concat mode-prefix
-                                           "-clean-intermediate-suffixes")))
-                          (when arg
-                            (symbol-value
-                             (intern (concat mode-prefix
-                                             "-clean-output-suffixes"))))))
-        (master (TeX-active-master))
-        (master-dir (file-name-directory master))
-        (regexp (concat "\\("
-                        (regexp-quote (file-name-nondirectory master)) "\\|"
-                        (regexp-quote (TeX-region-file nil t))
-                        "\\)"
-                        "\\("
-                        (mapconcat 'identity suffixes "\\|")
-                        "\\)\\'"
-                        "\\|" (regexp-quote (TeX-region-file t t))))
-        (files (when regexp
-                 (directory-files (or master-dir ".") nil regexp))))
+         (suffixes (append (symbol-value
+                            (intern (concat mode-prefix
+                                            "-clean-intermediate-suffixes")))
+                           (when arg
+                             (symbol-value
+                              (intern (concat mode-prefix
+                                              "-clean-output-suffixes"))))))
+         (master (TeX-active-master))
+         (master-dir (file-name-directory master))
+         (regexp (concat "\\("
+                         (regexp-quote (file-name-nondirectory master)) "\\|"
+                         (regexp-quote (TeX-region-file nil t))
+                         "\\)"
+                         "\\("
+                         (mapconcat 'identity suffixes "\\|")
+                         "\\)\\'"
+                         "\\|" (regexp-quote (TeX-region-file t t))))
+         (files (when regexp
+                  (directory-files (or master-dir ".") nil regexp))))
     (if files
-       (when (or (not TeX-clean-confirm)
-                 (dired-mark-pop-up " *Deletions*" 'delete
-                                    (if (> (length files) 1)
-                                        files
-                                      (cons t files))
-                                    'y-or-n-p "Delete files? "))
-         (dolist (file files)
-           (delete-file (concat master-dir file))))
+        (when (or (not TeX-clean-confirm)
+                  (dired-mark-pop-up " *Deletions*" 'delete
+                                     (if (> (length files) 1)
+                                         files
+                                       (cons t files))
+                                     'y-or-n-p "Delete files? "))
+          (dolist (file files)
+            (delete-file (concat master-dir file))))
       (message "No files to be deleted"))))
 
 ;;; Master File
@@ -2261,15 +2261,15 @@ the Emacs manual) to set this variable permanently for 
each file."
   :group 'TeX-command
   :group 'TeX-parse
   :type '(choice (const :tag "Query" nil)
-                (const :tag "This file" t)
-                (const :tag "Shared" shared)
-                (const :tag "Dwim" dwim)
-                (string :format "%v")))
+                 (const :tag "This file" t)
+                 (const :tag "Shared" shared)
+                 (const :tag "Dwim" dwim)
+                 (string :format "%v")))
 (make-variable-buffer-local 'TeX-master)
 (put 'TeX-master 'safe-local-variable
      '(lambda (x)
-       (or (stringp x)
-           (member x (quote (t nil shared dwim))))))
+        (or (stringp x)
+            (member x (quote (t nil shared dwim))))))
 
 (defcustom TeX-one-master "\\.\\(texi?\\|dtx\\)$"
   "Regular expression matching ordinary TeX files.
@@ -2294,8 +2294,8 @@ this variable to \"<none>\"."
     (cl-loop for buf in (buffer-list)
              until
              (when (with-current-buffer buf
-                    (and (equal dir default-directory)
-                         (stringp TeX-master)))
+                     (and (equal dir default-directory)
+                          (stringp TeX-master)))
                (cl-return (with-current-buffer buf TeX-master))))))
 
 (defun TeX-master-file-ask ()
@@ -2304,31 +2304,31 @@ this variable to \"<none>\"."
   (if (TeX-local-master-p)
       (error "Master file already set")
     (let* ((default (TeX-dwim-master))
-          (name (or (and (eq 'dwim TeX-master) default)
-                    (condition-case nil
-                        (read-file-name (format "Master file (default %s): "
-                                                (or default "this file"))
-                                        nil default)
-                      (quit "<quit>")))))
+           (name (or (and (eq 'dwim TeX-master) default)
+                     (condition-case nil
+                         (read-file-name (format "Master file (default %s): "
+                                                 (or default "this file"))
+                                         nil default)
+                       (quit "<quit>")))))
       (cond ((string= name "<quit>")
-            (setq TeX-master t))
-           ((string= name default)
-            (setq TeX-master default)
-            (TeX-add-local-master))
-           ((or
-             ;; Default `read-file-name' proposes and buffer visits a file.
-             (string= (expand-file-name name) (buffer-file-name))
-             ;; Default of `read-file-name' and buffer does not visit a file.
-             (string= name default-directory)
-             ;; User typed <RET> in an empty minibuffer.
-             (string= name ""))
-            (setq TeX-master t)
-            (TeX-add-local-master))
-           (t
-            (setq TeX-master (TeX-strip-extension (file-relative-name name)
-                                                  (list TeX-default-extension)
-                                                  'path))
-            (TeX-add-local-master))))))
+             (setq TeX-master t))
+            ((string= name default)
+             (setq TeX-master default)
+             (TeX-add-local-master))
+            ((or
+              ;; Default `read-file-name' proposes and buffer visits a file.
+              (string= (expand-file-name name) (buffer-file-name))
+              ;; Default of `read-file-name' and buffer does not visit a file.
+              (string= name default-directory)
+              ;; User typed <RET> in an empty minibuffer.
+              (string= name ""))
+             (setq TeX-master t)
+             (TeX-add-local-master))
+            (t
+             (setq TeX-master (TeX-strip-extension (file-relative-name name)
+                                                   (list TeX-default-extension)
+                                                   'path))
+             (TeX-add-local-master))))))
 
 (defun TeX-master-file (&optional extension nondirectory ask)
   "Set and return the name of the master file for the current document.
@@ -2345,70 +2345,70 @@ name of master file if it cannot be determined 
otherwise."
   (if (eq extension t)
       (setq extension TeX-default-extension))
   (let ((my-name (if (buffer-file-name)
-                    (TeX-strip-extension nil (list TeX-default-extension) t)
-                  "<none>")))
+                     (TeX-strip-extension nil (list TeX-default-extension) t)
+                   "<none>")))
     (save-excursion
       (save-restriction
-       (widen)
-       (goto-char (point-min))
-       (cond
-        ((and TeX-transient-master
-              (or (not TeX-master) (eq TeX-master 'shared)))
-         (setq TeX-master TeX-transient-master))
-        ;; Special value 't means it is own master (a free file).
-        ((equal TeX-master my-name)
-         (setq TeX-master t))
-
-        ;; For files shared between many documents.
-        ((and (eq 'shared TeX-master) ask)
-         (setq TeX-master
-               (let* ((default (TeX-dwim-master))
-                      (name (read-file-name
-                             (format "Master file (default %s): "
-                                     (or default "this file"))
-                             nil default)))
-                 (cond ((string= name default)
-                        default)
-                       ((or
-                         ;; Default `read-file-name' proposes and
-                         ;; buffer visits a file.
-                         (string= (expand-file-name name)
-                                  (buffer-file-name))
-                         ;; Default of `read-file-name' and
-                         ;; buffer does not visit a file.
-                         (string= name default-directory)
-                         ;; User typed <RET> in an empty minibuffer.
-                         (string= name ""))
-                        t)
-                       (t
-                        (TeX-strip-extension
-                         name (list TeX-default-extension) 'path))))))
-
-        ;; We might already know the name.
-        ((or (eq TeX-master t) (stringp TeX-master)) TeX-master)
-
-        ;; Ask the user (but add it as a local variable).
-        (ask (TeX-master-file-ask)))))
+        (widen)
+        (goto-char (point-min))
+        (cond
+         ((and TeX-transient-master
+               (or (not TeX-master) (eq TeX-master 'shared)))
+          (setq TeX-master TeX-transient-master))
+         ;; Special value 't means it is own master (a free file).
+         ((equal TeX-master my-name)
+          (setq TeX-master t))
+
+         ;; For files shared between many documents.
+         ((and (eq 'shared TeX-master) ask)
+          (setq TeX-master
+                (let* ((default (TeX-dwim-master))
+                       (name (read-file-name
+                              (format "Master file (default %s): "
+                                      (or default "this file"))
+                              nil default)))
+                  (cond ((string= name default)
+                         default)
+                        ((or
+                          ;; Default `read-file-name' proposes and
+                          ;; buffer visits a file.
+                          (string= (expand-file-name name)
+                                   (buffer-file-name))
+                          ;; Default of `read-file-name' and
+                          ;; buffer does not visit a file.
+                          (string= name default-directory)
+                          ;; User typed <RET> in an empty minibuffer.
+                          (string= name ""))
+                         t)
+                        (t
+                         (TeX-strip-extension
+                          name (list TeX-default-extension) 'path))))))
+
+         ;; We might already know the name.
+         ((or (eq TeX-master t) (stringp TeX-master)) TeX-master)
+
+         ;; Ask the user (but add it as a local variable).
+         (ask (TeX-master-file-ask)))))
 
     (let ((name (if (stringp TeX-master)
-                   TeX-master
-                 my-name)))
+                    TeX-master
+                  my-name)))
 
       (if (TeX-match-extension name)
-         ;; If it already has an extension...
-         (if (equal extension TeX-default-extension)
-             ;; Use instead of the default extension
-             (setq extension nil)
-           ;; Otherwise drop it.
-           (setq name (TeX-strip-extension name))))
+          ;; If it already has an extension...
+          (if (equal extension TeX-default-extension)
+              ;; Use instead of the default extension
+              (setq extension nil)
+            ;; Otherwise drop it.
+            (setq name (TeX-strip-extension name))))
 
       ;; Remove directory if needed.
       (if nondirectory
-         (setq name (file-name-nondirectory name)))
+          (setq name (file-name-nondirectory name)))
 
       (if extension
-         (concat name "." extension)
-       name))))
+          (concat name "." extension)
+        name))))
 
 (defun TeX-master-directory ()
   "Directory of master file."
@@ -2417,52 +2417,52 @@ name of master file if it cannot be determined 
otherwise."
     (substitute-in-file-name
      (expand-file-name
       (let ((dir (file-name-directory (TeX-master-file))))
-       (if dir (directory-file-name dir) "."))
+        (if dir (directory-file-name dir) "."))
       (and buffer-file-name
-          (file-name-directory buffer-file-name)))))))
+           (file-name-directory buffer-file-name)))))))
 
 (defun TeX-add-local-master ()
   "Add local variable for `TeX-master'.
 
 Get `major-mode' from master file and enable it."
   (when (and (buffer-file-name)
-            (string-match TeX-one-master
-                          (file-name-nondirectory (buffer-file-name)))
-            (not buffer-read-only))
+             (string-match TeX-one-master
+                           (file-name-nondirectory (buffer-file-name)))
+             (not buffer-read-only))
     (goto-char (point-max))
     (if (re-search-backward "^\\([^\n]+\\)Local Variables:"
-                           (- (point-max) 3000) t)
-       (let ((prefix (TeX-match-buffer 1)))
-         (re-search-forward (regexp-quote (concat prefix
-                                                  "End:")))
-         (beginning-of-line 1)
-         (insert prefix "TeX-master: " (prin1-to-string TeX-master) "\n"))
+                            (- (point-max) 3000) t)
+        (let ((prefix (TeX-match-buffer 1)))
+          (re-search-forward (regexp-quote (concat prefix
+                                                   "End:")))
+          (beginning-of-line 1)
+          (insert prefix "TeX-master: " (prin1-to-string TeX-master) "\n"))
       (let* ((mode (if (stringp TeX-master)
-                      (with-current-buffer
-                          (find-file-noselect
-                           (TeX-master-file TeX-default-extension))
-                        major-mode)
-                    major-mode))
-            (comment-prefix (cond ((eq mode 'texinfo-mode) "@c ")
-                                  ((eq mode 'doctex-mode) "% ")
-                                  (t "%%% ")))
-            (mode-string (concat (and (boundp 'japanese-TeX-mode) 
japanese-TeX-mode
-                                      "japanese-")
-                                 (substring (symbol-name mode) 0 -5))))
-       (newline)
-       (when (eq major-mode 'doctex-mode)
-         (insert comment-prefix TeX-esc "endinput\n"))
-       (insert
-        comment-prefix "Local Variables:\n"
-        comment-prefix "mode: " mode-string "\n"
-        comment-prefix "TeX-master: " (prin1-to-string TeX-master) "\n"
-        comment-prefix "End:\n")
-       (unless (eq mode major-mode)
-         (funcall mode)
-         ;; TeX modes run `VirTeX-common-initialization' which kills all local
-         ;; variables, thus `TeX-master' will be forgotten after `(funcall
-         ;; mode)'.  Reparse local variables in order to bring it back.
-         (hack-local-variables))))))
+                       (with-current-buffer
+                           (find-file-noselect
+                            (TeX-master-file TeX-default-extension))
+                         major-mode)
+                     major-mode))
+             (comment-prefix (cond ((eq mode 'texinfo-mode) "@c ")
+                                   ((eq mode 'doctex-mode) "% ")
+                                   (t "%%% ")))
+             (mode-string (concat (and (boundp 'japanese-TeX-mode) 
japanese-TeX-mode
+                                       "japanese-")
+                                  (substring (symbol-name mode) 0 -5))))
+        (newline)
+        (when (eq major-mode 'doctex-mode)
+          (insert comment-prefix TeX-esc "endinput\n"))
+        (insert
+         comment-prefix "Local Variables:\n"
+         comment-prefix "mode: " mode-string "\n"
+         comment-prefix "TeX-master: " (prin1-to-string TeX-master) "\n"
+         comment-prefix "End:\n")
+        (unless (eq mode major-mode)
+          (funcall mode)
+          ;; TeX modes run `VirTeX-common-initialization' which kills all local
+          ;; variables, thus `TeX-master' will be forgotten after `(funcall
+          ;; mode)'.  Reparse local variables in order to bring it back.
+          (hack-local-variables))))))
 
 (defun TeX-local-master-p ()
   "Return non-nil if there is a `TeX-master' entry in local variables spec.
@@ -2506,11 +2506,11 @@ seperated by REGEXP.
 Examples:
 
       (TeX-split-string \"\:\" \"abc:def:ghi\")
-         -> (\"abc\" \"def\" \"ghi\")
+          -> (\"abc\" \"def\" \"ghi\")
 
       (TeX-split-string \" +\" \"dvips  -Plw -p3 -c4 testfile.dvi\")
 
-         -> (\"dvips\" \"-Plw\" \"-p3\" \"-c4\" \"testfile.dvi\")
+          -> (\"dvips\" \"-Plw\" \"-p3\" \"-c4\" \"testfile.dvi\")
 
 If REGEXP is nil, or \"\", an error will occur."
 
@@ -2524,25 +2524,25 @@ If REGEXP is nil, or \"\", an error will occur."
 (defun TeX-parse-path (env)
   "Return a list if private TeX directories found in environment variable ENV."
   (let* ((value (getenv env))
-        (entries (and value
-                      (TeX-split-string
-                       (if (string-match ";" value) ";" ":")
-                       value)))
-        (global (append '("/" "\\")
-                        (mapcar #'file-name-as-directory
-                                TeX-macro-global)))
-        entry
-        answers)
+         (entries (and value
+                       (TeX-split-string
+                        (if (string-match ";" value) ";" ":")
+                        value)))
+         (global (append '("/" "\\")
+                         (mapcar #'file-name-as-directory
+                                 TeX-macro-global)))
+         entry
+         answers)
     (while entries
       (setq entry (car entries))
       (setq entries (cdr entries))
       (setq entry (file-name-as-directory
-                  (if (string-match "/?/?\\'" entry)
-                      (substring entry 0 (match-beginning 0))
-                    entry)))
+                   (if (string-match "/?/?\\'" entry)
+                       (substring entry 0 (match-beginning 0))
+                     entry)))
       (or (not (file-name-absolute-p entry))
-         (member entry global)
-         (setq answers (cons entry answers))))
+          (member entry global)
+          (setq answers (cons entry answers))))
     answers))
 
 (defun TeX-kpathsea-detect-path-delimiter ()
@@ -2550,20 +2550,20 @@ If REGEXP is nil, or \"\", an error will occur."
 Usually return \":\" or \";\".  If auto detect fails for some reason,
 return nil."
   (let ((res (ignore-errors
-              (with-output-to-string
-                (call-process "kpsewhich" nil
-                              (list standard-output nil) nil
-                              "--expand-path" "{.,..}")))))
+               (with-output-to-string
+                 (call-process "kpsewhich" nil
+                               (list standard-output nil) nil
+                               "--expand-path" "{.,..}")))))
     ;; kpsewhich expands "{.,..}" to ".:SOMEDIR" or ".;SOMEDIR"
     ;; according to its environment.
     ;; Don't use "{.,.}" instead because kpsewhich of MiKTeX 2.9
     ;; simplifies it to just a ".", not ".;.".
     (and (stringp res) (> (length res) 0)
-        ;; Check whether ; is contained.  This should work even if
-        ;; some implementation of kpsewhich considers it sane to
-        ;; insert drive letters or directory separators or whatever
-        ;; else to the current directory.
-        (if (string-match ";" res) ";" ":"))))
+         ;; Check whether ; is contained.  This should work even if
+         ;; some implementation of kpsewhich considers it sane to
+         ;; insert drive letters or directory separators or whatever
+         ;; else to the current directory.
+         (if (string-match ";" res) ";" ":"))))
 
 (defcustom TeX-kpathsea-path-delimiter
   (TeX-kpathsea-detect-path-delimiter)
@@ -2571,9 +2571,9 @@ return nil."
 t means autodetect, nil means kpathsea is disabled."
   :group 'TeX-file
   :type '(choice (const ":")
-                (const ";")
-                (const :tag "Autodetect" t)
-                (const :tag "Off" nil)))
+                 (const ";")
+                 (const :tag "Autodetect" t)
+                 (const :tag "Off" nil)))
 
 (defun TeX-tree-expand (vars program &optional subdirs)
   "Return directories corresponding to the kpathsea variables VARS.
@@ -2587,44 +2587,44 @@ are returned."
   ;; several elements separated by "/".
   (if (eq TeX-kpathsea-path-delimiter t)
       (setq TeX-kpathsea-path-delimiter
-           (TeX-kpathsea-detect-path-delimiter)))
+            (TeX-kpathsea-detect-path-delimiter)))
   (when TeX-kpathsea-path-delimiter
     (let* ((exit-status 1)
-          (args `(,@(if program `("--progname" ,program))
-                  "--expand-path"
-                  ,(mapconcat #'identity vars
-                              TeX-kpathsea-path-delimiter)))
-          (path-list (ignore-errors
-                       (with-output-to-string
-                         (setq exit-status
-                               (apply #'call-process
-                                      "kpsewhich" nil
-                                      (list standard-output nil) nil
-                                      args))))))
+           (args `(,@(if program `("--progname" ,program))
+                   "--expand-path"
+                   ,(mapconcat #'identity vars
+                               TeX-kpathsea-path-delimiter)))
+           (path-list (ignore-errors
+                        (with-output-to-string
+                          (setq exit-status
+                                (apply #'call-process
+                                       "kpsewhich" nil
+                                       (list standard-output nil) nil
+                                       args))))))
       (if (not (zerop exit-status))
-         ;; kpsewhich is not available.  Disable subsequent usage.
-         (setq TeX-kpathsea-path-delimiter nil)
-       (let ((separators (format "[\n\r%s]" TeX-kpathsea-path-delimiter))
-             path input-dir-list)
-         (dolist (item (split-string path-list separators t))
-           (if subdirs
-               (dolist (subdir subdirs)
-                 (setq path (file-name-as-directory (concat item subdir)))
-                 (when (file-exists-p path)
-                   (cl-pushnew path input-dir-list :test #'equal)))
-             (setq path (file-name-as-directory item))
-             (when (file-exists-p path)
-               (cl-pushnew path input-dir-list :test #'equal))))
-         ;; No duplication in result is assured since `cl-pushnew' is
-         ;; used above.  Should we introduce an option for speed just
-         ;; to accumulate all the results without care for
-         ;; duplicates?
-         (nreverse input-dir-list))))))
+          ;; kpsewhich is not available.  Disable subsequent usage.
+          (setq TeX-kpathsea-path-delimiter nil)
+        (let ((separators (format "[\n\r%s]" TeX-kpathsea-path-delimiter))
+              path input-dir-list)
+          (dolist (item (split-string path-list separators t))
+            (if subdirs
+                (dolist (subdir subdirs)
+                  (setq path (file-name-as-directory (concat item subdir)))
+                  (when (file-exists-p path)
+                    (cl-pushnew path input-dir-list :test #'equal)))
+              (setq path (file-name-as-directory item))
+              (when (file-exists-p path)
+                (cl-pushnew path input-dir-list :test #'equal))))
+          ;; No duplication in result is assured since `cl-pushnew' is
+          ;; used above.  Should we introduce an option for speed just
+          ;; to accumulate all the results without care for
+          ;; duplicates?
+          (nreverse input-dir-list))))))
 
 (defun TeX-macro-global ()
   "Return directories containing the site's TeX macro and style files."
   (or (TeX-tree-expand '("$SYSTEXMF" "$TEXMFLOCAL" "$TEXMFMAIN" "$TEXMFDIST")
-                      "latex" '("/tex/" "/bibtex/bst/"))
+                       "latex" '("/tex/" "/bibtex/bst/"))
       '("/usr/share/texmf/tex/" "/usr/share/texmf/bibtex/bst/")))
 
 (defun TeX-macro-private ()
@@ -2637,38 +2637,38 @@ are returned."
   :type '(repeat (directory :format "%v")))
 
 (defcustom TeX-macro-private (or (append (TeX-parse-path "TEXINPUTS")
-                                        (TeX-parse-path "BIBINPUTS"))
-                                (TeX-macro-private))
+                                         (TeX-parse-path "BIBINPUTS"))
+                                 (TeX-macro-private))
   "Directories where you store your personal TeX macros."
   :group 'TeX-file
   :type '(repeat (file :format "%v")))
 
 (defcustom TeX-auto-private
   (list (expand-file-name TeX-auto-local
-                         (or (and (boundp 'user-emacs-directory)
-                                  (concat user-emacs-directory "auctex/"))
-                             "~/.emacs.d/auctex/")))
+                          (or (and (boundp 'user-emacs-directory)
+                                   (concat user-emacs-directory "auctex/"))
+                              "~/.emacs.d/auctex/")))
   "List of directories containing automatically generated AUCTeX style files.
 
 These correspond to the personal TeX macros."
   :group 'TeX-file
   :type '(repeat (file :format "%v")))
 
-(if (stringp TeX-auto-private)         ;Backward compatibility
+(if (stringp TeX-auto-private)          ;Backward compatibility
     (setq TeX-auto-private (list TeX-auto-private)))
 
 (defcustom TeX-style-private
   (list (expand-file-name TeX-style-local
-                         (or (and (boundp 'user-emacs-directory)
-                                  (concat user-emacs-directory "auctex/"))
-                             "~/.emacs.d/auctex/")))
+                          (or (and (boundp 'user-emacs-directory)
+                                   (concat user-emacs-directory "auctex/"))
+                              "~/.emacs.d/auctex/")))
   "List of directories containing hand-generated AUCTeX style files.
 
 These correspond to the personal TeX macros."
   :group 'TeX-file
   :type '(repeat (file :format "%v")))
 
-(if (stringp TeX-style-private)                ;Backward compatibility
+(if (stringp TeX-style-private)         ;Backward compatibility
     (setq TeX-style-private (list TeX-style-private)))
 
 (defcustom TeX-style-path
@@ -2676,8 +2676,8 @@ These correspond to the personal TeX macros."
     ;; Put directories in an order where the more local files can
     ;; override the more global ones.
     (mapc (lambda (file)
-           (when (and file (not (member file path)))
-             (setq path (cons file path))))
+            (when (and file (not (member file path)))
+              (setq path (cons file path))))
           (append (list TeX-auto-global TeX-style-global)
                   TeX-auto-private TeX-style-private
                   (list TeX-auto-local TeX-style-local)))
@@ -2740,11 +2740,11 @@ Supported values are described below:
 * `:bibtex'  for files in BibTeX mode.
 * `:context' for files in ConTeXt mode.
 * `:latex'   for files in LaTeX mode, or any mode derived
-            thereof.
+             thereof.
 * `:plain-tex' for files in plain-TeX mode.
 * `:texinfo' for Texinfo files.
 * `:classopt' for class options of LaTeX document.  Just
-             considered as a pseudo-dialect.
+              considered as a pseudo-dialect.
 
 Purpose is notably to prevent non-Texinfo hooks to be run in
 Texinfo files, due to ambiguous style name, as this may cause bad
@@ -2762,48 +2762,48 @@ side effect e.g. on variable `TeX-font-list'.")
 (defun TeX-load-style (style)
   "Search for and load each definition for STYLE in `TeX-style-path'."
   (cond ((assoc style TeX-style-hook-list)) ; We already found it
-       ((string-match "\\`\\(.+[/\\]\\)\\([^/\\]*\\)\\'" style) ;Complex path
-        (let* ((dir (substring style (match-beginning 1) (match-end 1)))
-               (style (substring style (match-beginning 2) (match-end 2)))
-               (master-dir (if (stringp TeX-master)
-                               (file-name-directory
-                                (file-relative-name TeX-master))
-                             "./"))
-               (TeX-style-path (append (list (expand-file-name
-                                              TeX-auto-local dir)
-                                             (expand-file-name
-                                              TeX-auto-local master-dir)
-                                             (expand-file-name
-                                              TeX-style-local dir)
-                                             (expand-file-name
-                                              TeX-style-local master-dir))
-                                       TeX-style-path)))
-          (TeX-load-style style)))
-       (t                              ;Relative path
-        ;; Insert empty list to mark the fact that we have searched.
-        (setq TeX-style-hook-list (cons (list style) TeX-style-hook-list))
-        ;; Now check each element of the path
-        (dolist (name TeX-style-path)
-          (TeX-load-style-file (expand-file-name style name))))))
+        ((string-match "\\`\\(.+[/\\]\\)\\([^/\\]*\\)\\'" style) ;Complex path
+         (let* ((dir (substring style (match-beginning 1) (match-end 1)))
+                (style (substring style (match-beginning 2) (match-end 2)))
+                (master-dir (if (stringp TeX-master)
+                                (file-name-directory
+                                 (file-relative-name TeX-master))
+                              "./"))
+                (TeX-style-path (append (list (expand-file-name
+                                               TeX-auto-local dir)
+                                              (expand-file-name
+                                               TeX-auto-local master-dir)
+                                              (expand-file-name
+                                               TeX-style-local dir)
+                                              (expand-file-name
+                                               TeX-style-local master-dir))
+                                        TeX-style-path)))
+           (TeX-load-style style)))
+        (t                              ;Relative path
+         ;; Insert empty list to mark the fact that we have searched.
+         (setq TeX-style-hook-list (cons (list style) TeX-style-hook-list))
+         ;; Now check each element of the path
+         (dolist (name TeX-style-path)
+           (TeX-load-style-file (expand-file-name style name))))))
 
 (defun TeX-load-style-file (file)
   "Load FILE checking for a Lisp extensions."
   (let ((el (concat file ".el"))
-       (elc (concat file ".elc")))
+        (elc (concat file ".elc")))
     (cond ((file-newer-than-file-p el elc)
-          (if (file-readable-p el)
-              (if (and TeX-byte-compile
-                       (file-writable-p elc)
-                       (save-excursion
-                         ;; `byte-compile-file' switches buffer in Emacs 20.3.
-                         (byte-compile-file el))
-                       (file-readable-p elc))
-                  (load-file elc)
-                (load-file el))))
-         ((file-readable-p elc)
-          (load-file elc))
-         ((file-readable-p el)
-          (load-file el)))))
+           (if (file-readable-p el)
+               (if (and TeX-byte-compile
+                        (file-writable-p elc)
+                        (save-excursion
+                          ;; `byte-compile-file' switches buffer in Emacs 20.3.
+                          (byte-compile-file el))
+                        (file-readable-p elc))
+                   (load-file elc)
+                 (load-file el))))
+          ((file-readable-p elc)
+           (load-file elc))
+          ((file-readable-p el)
+           (load-file el)))))
 
 (defconst TeX-style-hook-dialect-weight-alist
   '((:latex . 1) (:texinfo . 2) (:bibtex . 4) (:plain-tex . 8) (:context . 16)
@@ -2817,12 +2817,12 @@ side effect e.g. on variable `TeX-font-list'.")
    ((symbolp dialect-expr)
     (let ((cell (assq dialect-expr TeX-style-hook-dialect-weight-alist)))
       (if cell (cdr cell)
-       (error "Invalid dialect expression : %S." dialect-expr))))
+        (error "Invalid dialect expression : %S." dialect-expr))))
    ((and (consp dialect-expr)
-        (memq (car dialect-expr) '(or not and nor)))
+         (memq (car dialect-expr) '(or not and nor)))
     (apply (intern
-           (concat "TeX-shdex-" (symbol-name  (car dialect-expr))))
-          (cdr dialect-expr)))
+            (concat "TeX-shdex-" (symbol-name  (car dialect-expr))))
+           (cdr dialect-expr)))
    (t
     (error "Invalid dialect expression : %S." dialect-expr))))
 
@@ -2846,7 +2846,7 @@ side effect e.g. on variable `TeX-font-list'.")
   "Test whether dialect DIALECT is in dialect set DIALECT-SET."
   (let ((cell (assq dialect TeX-style-hook-dialect-weight-alist)))
     (if cell
-       (/= 0 (logand (cdr cell) dialect-set))
+        (/= 0 (logand (cdr cell) dialect-set))
       (error "Invalid dialect %S" dialect))))
 
 (defsubst TeX-shdex-listify (dialect-set)
@@ -2855,7 +2855,7 @@ comprised in this set, where dialects are symbols"
   (let (ret)
     (dolist (c dialect-set)
       (when (/= 0 (logand (cdr c) dialect-set))
-       (push (car c) ret)))
+        (push (car c) ret)))
     ret))
 
 (defun TeX-add-style-hook (style hook &optional dialect-expr)
@@ -2878,17 +2878,17 @@ When omitted DIALECT-EXPR is equivalent to `(nor )', ie 
all
 dialected are allowed."
   (let ((entry (assoc-string style TeX-style-hook-list)))
     (and dialect-expr (setq hook (vector 'TeX-style-hook hook
-                                        (TeX-shdex-eval dialect-expr))))
+                                         (TeX-shdex-eval dialect-expr))))
     (cond ((null entry)
-          ;; New style, add entry.
-          (setq TeX-style-hook-list (cons (list style hook)
-                                          TeX-style-hook-list)))
-         ((member hook entry)
-          ;; Old style, hook already there, do nothing.
-          nil)
-         (t
-          ;; Old style, new hook.
-          (setcdr entry (cons hook (cdr entry)))))))
+           ;; New style, add entry.
+           (setq TeX-style-hook-list (cons (list style hook)
+                                           TeX-style-hook-list)))
+          ((member hook entry)
+           ;; Old style, hook already there, do nothing.
+           nil)
+          (t
+           ;; Old style, new hook.
+           (setcdr entry (cons hook (cdr entry)))))))
 
 (defun TeX-keep-hooks-in-dialect (hooks dialect-list)
   "Scan HOOKS for all hooks the associated dialect of which is
@@ -2896,11 +2896,11 @@ found in DIALECT-LIST and return the list thereof."
   (let (ret dialect-list-1)
     (dolist (hook hooks)
       (setq dialect-list-1 (and (vectorp hook) (eq (aref hook 0) 
'TeX-style-hook)
-                               (TeX-shdex-listify (aref hook 2))))
+                                (TeX-shdex-listify (aref hook 2))))
       (while dialect-list-1
-       (when (memq (pop dialect-list-1) dialect-list)
-         (push hook ret)
-         (setq dialect-list-1 nil)))
+        (when (memq (pop dialect-list-1) dialect-list)
+          (push hook ret)
+          (setq dialect-list-1 nil)))
     ret)))
 
 (defun TeX-unload-style (style &optional dialect-list)
@@ -2910,15 +2910,15 @@ the STYLE is only removed for those dialects in 
DIALECT-LIST.
 See variable `TeX-style-hook-dialect' for supported dialects."
   (let ((style-data (assoc-string style TeX-style-hook-list)))
     (if style-data
-       (let ((hooks (and dialect-list (TeX-keep-hooks-in-dialect (cdr 
style-data) dialect-list))))
-         (if hooks
-             (setcdr style-data hooks)
-           (setq TeX-style-hook-list (delq style-data 
TeX-style-hook-list)))))))
+        (let ((hooks (and dialect-list (TeX-keep-hooks-in-dialect (cdr 
style-data) dialect-list))))
+          (if hooks
+              (setcdr style-data hooks)
+            (setq TeX-style-hook-list (delq style-data 
TeX-style-hook-list)))))))
 
 (defcustom TeX-virgin-style (if (and TeX-auto-global
-                                    (file-directory-p TeX-auto-global))
-                               "virtex"
-                             "NoVirtexSymbols")
+                                     (file-directory-p TeX-auto-global))
+                                "virtex"
+                              "NoVirtexSymbols")
   "Style all documents use."
   :group 'TeX-parse
   :type 'string)
@@ -2930,43 +2930,43 @@ See variable `TeX-style-hook-dialect' for supported 
dialects."
 (defun TeX-run-style-hooks (&rest styles)
   "Run the TeX style hooks STYLES."
   (mapcar (lambda (style)
-           ;; Avoid recursion.
-           (unless (TeX-member style TeX-active-styles 'string-equal)
-             (setq TeX-active-styles
-                   (cons style TeX-active-styles))
-             (TeX-load-style style)
-             (let ((default-directory default-directory))
-               ;; Complex path.
-               (when (string-match "\\`\\(.+[/\\]\\)\\([^/\\]*\\)\\'" style)
-                 ;; Set `default-directory' to directory of master
-                 ;; file since style files not stored in the fixed
-                 ;; style directories are usually located there.
-                 (setq default-directory (save-match-data
-                                           (TeX-master-directory))
-                       style (substring style
-                                        (match-beginning 2) (match-end 2))))
-               (condition-case nil
-                   (mapcar (lambda (hook)
-                             (cond
-                              ((functionp hook)
-                               (funcall hook))
-                              ((and (vectorp hook)
-                                    (eq (aref hook 0) 'TeX-style-hook))
-                               (and (TeX-shdex-in-p TeX-style-hook-dialect 
(aref hook 2))
-                                    (funcall (aref hook 1))))
-                              (t (error "Invalid style hook %S" hook))))
-                           ;; Reverse the list of style hooks in order to run
-                           ;; styles in the order global, private, local
-                           ;; (assuming TeX-style-path has that ordering,
-                           ;; too).
-                           (reverse (cdr-safe (assoc-string style 
TeX-style-hook-list))))
-                 ;; This happens in case some style added a new parser, and
-                 ;; now the style isn't used anymore (user deleted
-                 ;; \usepackage{style}).  Then we're left over with, e.g.,
-                 ;; (LaTeX-add-siunitx-units "\\parsec"), but the function is
-                 ;; defined in a style siunitx.el that's not loaded anymore.
-                 (void-function nil)))))
-         styles))
+            ;; Avoid recursion.
+            (unless (TeX-member style TeX-active-styles 'string-equal)
+              (setq TeX-active-styles
+                    (cons style TeX-active-styles))
+              (TeX-load-style style)
+              (let ((default-directory default-directory))
+                ;; Complex path.
+                (when (string-match "\\`\\(.+[/\\]\\)\\([^/\\]*\\)\\'" style)
+                  ;; Set `default-directory' to directory of master
+                  ;; file since style files not stored in the fixed
+                  ;; style directories are usually located there.
+                  (setq default-directory (save-match-data
+                                            (TeX-master-directory))
+                        style (substring style
+                                         (match-beginning 2) (match-end 2))))
+                (condition-case nil
+                    (mapcar (lambda (hook)
+                              (cond
+                               ((functionp hook)
+                                (funcall hook))
+                               ((and (vectorp hook)
+                                     (eq (aref hook 0) 'TeX-style-hook))
+                                (and (TeX-shdex-in-p TeX-style-hook-dialect 
(aref hook 2))
+                                     (funcall (aref hook 1))))
+                               (t (error "Invalid style hook %S" hook))))
+                            ;; Reverse the list of style hooks in order to run
+                            ;; styles in the order global, private, local
+                            ;; (assuming TeX-style-path has that ordering,
+                            ;; too).
+                            (reverse (cdr-safe (assoc-string style 
TeX-style-hook-list))))
+                  ;; This happens in case some style added a new parser, and
+                  ;; now the style isn't used anymore (user deleted
+                  ;; \usepackage{style}).  Then we're left over with, e.g.,
+                  ;; (LaTeX-add-siunitx-units "\\parsec"), but the function is
+                  ;; defined in a style siunitx.el that's not loaded anymore.
+                  (void-function nil)))))
+          styles))
 
 (defcustom TeX-parse-self nil
   "Parse file after loading it if no style hook is found for it."
@@ -2986,22 +2986,22 @@ See variable `TeX-style-hook-dialect' for supported 
dialects."
 Only do this if it has not been done before, or if optional argument
 FORCE is not nil."
   (unless (or (and (boundp 'TeX-auto-update)
-                  (eq TeX-auto-update 'BibTeX)) ; Not a real TeX buffer
-             (and (not force)
-                  TeX-style-hook-applied-p))
+                   (eq TeX-auto-update 'BibTeX)) ; Not a real TeX buffer
+              (and (not force)
+                   TeX-style-hook-applied-p))
     (setq TeX-style-hook-applied-p t)
     (message "Applying style hooks...")
     (TeX-run-style-hooks (TeX-strip-extension nil nil t))
     ;; Run parent style hooks if it has a single parent that isn't itself.
     (if (or (not (memq TeX-master '(nil t)))
-           (and (buffer-file-name)
-                (string-match TeX-one-master
-                              (file-name-nondirectory (buffer-file-name)))))
-       (TeX-run-style-hooks (TeX-master-file)))
+            (and (buffer-file-name)
+                 (string-match TeX-one-master
+                               (file-name-nondirectory (buffer-file-name)))))
+        (TeX-run-style-hooks (TeX-master-file)))
     (if (and TeX-parse-self
-            (null (cdr-safe (assoc (TeX-strip-extension nil nil t)
-                                   TeX-style-hook-list))))
-       (TeX-auto-apply))
+             (null (cdr-safe (assoc (TeX-strip-extension nil nil t)
+                                    TeX-style-hook-list))))
+        (TeX-auto-apply))
     (run-hooks 'TeX-update-style-hook)
     (message "Applying style hooks...done")))
 
@@ -3054,44 +3054,44 @@ Possible values are nil, t, or a list of style names.
   - (STYLES ...)  Only complete expert commands of STYLES."
   :group 'TeX-macro
   :type '(choice (const  :tag "Don't complete expert commands" nil)
-                (const  :tag "Always complete expert commands" t)
-                (repeat :tag "Complete expert commands of certain styles" 
string)))
+                 (const  :tag "Always complete expert commands" t)
+                 (repeat :tag "Complete expert commands of certain styles" 
string)))
 
 (defmacro TeX-complete-make-expert-command-functions (thing list-var prefix)
   (let* ((plural (concat thing "s"))
-        (upcase-plural (upcase plural)))
+         (upcase-plural (upcase plural)))
     `(progn
        (defvar ,(intern (format "%s-expert-%s-table" prefix thing))
-        (make-hash-table :test 'equal)
-        ,(format "A hash-table mapping %s names to the style name providing it.
+         (make-hash-table :test 'equal)
+         ,(format "A hash-table mapping %s names to the style name providing 
it.
 
 A %s occuring in this table is considered an expert %s and
 treated specially in the completion." thing thing thing))
 
        (defun ,(intern (format "%s-declare-expert-%s" prefix plural)) (style 
&rest ,(intern plural))
-        ,(format "Declare %s as expert %s of STYLE.
+         ,(format "Declare %s as expert %s of STYLE.
 
 Expert %s are completed depending on `TeX-complete-expert-commands'."
-                 upcase-plural plural plural)
-        (dolist (x ,(intern plural))
-          (if (null style)
-              (remhash x TeX-expert-macro-table)
-            (puthash x style TeX-expert-macro-table))))
+                  upcase-plural plural plural)
+         (dolist (x ,(intern plural))
+           (if (null style)
+               (remhash x TeX-expert-macro-table)
+             (puthash x style TeX-expert-macro-table))))
 
        (defun ,(intern (format "%s-filtered" list-var)) ()
-        ,(format "Return (%s) filtered depending on 
`TeX-complete-expert-commands'."
-                 list-var)
-        (delq nil
-              (mapcar
-               (lambda (entry)
-                 (if (eq t TeX-complete-expert-commands)
-                     entry
-                   (let* ((cmd (car entry))
-                          (style (gethash cmd TeX-expert-macro-table)))
-                     (when (or (null style)
-                               (member style TeX-complete-expert-commands))
-                       entry))))
-               (,list-var)))))))
+         ,(format "Return (%s) filtered depending on 
`TeX-complete-expert-commands'."
+                  list-var)
+         (delq nil
+               (mapcar
+                (lambda (entry)
+                  (if (eq t TeX-complete-expert-commands)
+                      entry
+                    (let* ((cmd (car entry))
+                           (style (gethash cmd TeX-expert-macro-table)))
+                      (when (or (null style)
+                                (member style TeX-complete-expert-commands))
+                        entry))))
+                (,list-var)))))))
 
 (TeX-complete-make-expert-command-functions "macro" TeX-symbol-list "TeX")
 (TeX-complete-make-expert-command-functions "environment" 
LaTeX-environment-list "LaTeX")
@@ -3117,14 +3117,14 @@ Or alternatively:
 (defun TeX--complete-find-entry ()
   "Return the first applicable entry of `TeX-complete-list'."
   (let ((list TeX-complete-list)
-       entry)
+        entry)
     (while list
       (setq entry (car list)
-           list (cdr list))
+            list (cdr list))
       (when (if (functionp (car entry))
-               (funcall (car entry))
-             (TeX-looking-at-backward (car entry) 250))
-       (setq list nil)))
+                (funcall (car entry))
+              (TeX-looking-at-backward (car entry) 250))
+        (setq list nil)))
     entry))
 
 (defun TeX-complete-symbol ()
@@ -3133,47 +3133,47 @@ Or alternatively:
   (let ((entry (TeX--complete-find-entry)))
     (when entry
       (if (numberp (nth 1 entry))
-         (let* ((sub (nth 1 entry))
-                (close (if (and (nth 3 entry)
+          (let* ((sub (nth 1 entry))
+                 (close (if (and (nth 3 entry)
                                  (listp (nth 3 entry))
                                  (symbolp (car (nth 3 entry))))
                             (eval (nth 3 entry))
                           (nth 3 entry)))
-                (begin (match-beginning sub))
-                (end (match-end sub))
-                (pattern (TeX-match-buffer 0))
-                (symbol (buffer-substring begin end))
-                (list (funcall (nth 2 entry)))
-                (completion (try-completion symbol list))
-                (buf-name "*Completions*"))
-           (cond ((eq completion t)
-                  (and close
-                       (not (looking-at (regexp-quote close)))
-                       (insert close))
-                  (let ((window (get-buffer-window buf-name)))
-                    (when window (delete-window window))))
-                 ((null completion)
-                  (error "Can't find completion for \"%s\"" pattern))
-                 ((not (string-equal symbol completion))
-                  (delete-region begin end)
-                  (insert completion)
-                  (and close
-                       (eq (try-completion completion list) t)
-                       (not (looking-at (regexp-quote close)))
-                       (insert close))
-                  (let ((window (get-buffer-window buf-name)))
-                    (when window (delete-window window))))
-                 (t
-                  (if (fboundp 'completion-in-region)
-                      (completion-in-region begin end
-                                            (all-completions symbol list nil))
-                    (message "Making completion list...")
-                    (let ((list (all-completions symbol list nil)))
-                      (with-output-to-temp-buffer buf-name
-                        (display-completion-list list)))
-                    (set-window-dedicated-p (get-buffer-window buf-name) 'soft)
-                    (message "Making completion list...done")))))
-       (funcall (nth 1 entry))))))
+                 (begin (match-beginning sub))
+                 (end (match-end sub))
+                 (pattern (TeX-match-buffer 0))
+                 (symbol (buffer-substring begin end))
+                 (list (funcall (nth 2 entry)))
+                 (completion (try-completion symbol list))
+                 (buf-name "*Completions*"))
+            (cond ((eq completion t)
+                   (and close
+                        (not (looking-at (regexp-quote close)))
+                        (insert close))
+                   (let ((window (get-buffer-window buf-name)))
+                     (when window (delete-window window))))
+                  ((null completion)
+                   (error "Can't find completion for \"%s\"" pattern))
+                  ((not (string-equal symbol completion))
+                   (delete-region begin end)
+                   (insert completion)
+                   (and close
+                        (eq (try-completion completion list) t)
+                        (not (looking-at (regexp-quote close)))
+                        (insert close))
+                   (let ((window (get-buffer-window buf-name)))
+                     (when window (delete-window window))))
+                  (t
+                   (if (fboundp 'completion-in-region)
+                       (completion-in-region begin end
+                                             (all-completions symbol list nil))
+                     (message "Making completion list...")
+                     (let ((list (all-completions symbol list nil)))
+                       (with-output-to-temp-buffer buf-name
+                         (display-completion-list list)))
+                     (set-window-dedicated-p (get-buffer-window buf-name) 
'soft)
+                     (message "Making completion list...done")))))
+        (funcall (nth 1 entry))))))
 
 (defun TeX--completion-at-point ()
   "(La)TeX completion at point function.
@@ -3181,17 +3181,17 @@ See `completion-at-point-functions'."
   (let ((entry (TeX--complete-find-entry)))
     (when entry
       (if (numberp (nth 1 entry))
-         (let* ((sub (nth 1 entry))
-                (begin (match-beginning sub))
-                (end (match-end sub))
-                (symbol (buffer-substring-no-properties begin end))
-                (list (funcall (nth 2 entry))))
-           (list begin end (all-completions symbol list)))
-       ;; We intentionally don't call the fallback completion functions because
-       ;; they do completion on their own and don't work too well with things
-       ;; like company-mode.  And the default function `ispell-complete-word'
-       ;; isn't so useful anyway.
-       nil))))
+          (let* ((sub (nth 1 entry))
+                 (begin (match-beginning sub))
+                 (end (match-end sub))
+                 (symbol (buffer-substring-no-properties begin end))
+                 (list (funcall (nth 2 entry))))
+            (list begin end (all-completions symbol list)))
+        ;; We intentionally don't call the fallback completion functions 
because
+        ;; they do completion on their own and don't work too well with things
+        ;; like company-mode.  And the default function `ispell-complete-word'
+        ;; isn't so useful anyway.
+        nil))))
 
 (defcustom TeX-default-macro "ref"
   "The default macro when creating new ones with `TeX-insert-macro'."
@@ -3219,7 +3219,7 @@ will use its value to decide what to do, whatever the 
value of
 the variable `TeX-insert-braces'."
   :group 'TeX-macro
   :type '(repeat (cons (string :tag "Macro name")
-                      (boolean :tag "Append braces?"))))
+                       (boolean :tag "Append braces?"))))
 (make-variable-buffer-local 'TeX-insert-braces-alist)
 
 (defcustom TeX-insert-macro-default-style 'show-optional-args
@@ -3239,8 +3239,8 @@ Note that for some macros, there are special mechanisms, 
see e.g.
 `LaTeX-includegraphics-options-alist' and `TeX-arg-cite-note-p'."
   :group 'TeX-macro
   :type '(choice (const mandatory-args-only)
-                (const show-optional-args)
-                (const show-all-optional-args)))
+                 (const show-optional-args)
+                 (const show-all-optional-args)))
 
 (defvar TeX-arg-opening-brace nil
   "String used as an opening brace for argument insertion.
@@ -3267,11 +3267,11 @@ is called with \\[universal-argument]."
   ;; flexible solution in the future, therefore we don't document it at the
   ;; moment.
   (interactive (list (completing-read (concat "Macro (default "
-                                             TeX-default-macro
-                                             "): "
-                                             TeX-esc)
-                                     (TeX-symbol-list-filtered) nil nil nil
-                                     'TeX-macro-history TeX-default-macro)))
+                                              TeX-default-macro
+                                              "): "
+                                              TeX-esc)
+                                      (TeX-symbol-list-filtered) nil nil nil
+                                      'TeX-macro-history TeX-default-macro)))
   (when (called-interactively-p 'any)
     (setq TeX-default-macro symbol))
   (TeX-parse-macro symbol (cdr-safe (assoc symbol (TeX-symbol-list))))
@@ -3290,14 +3290,14 @@ AUCTeX knows of some macros, and may query for extra 
arguments.
 Space will complete and exit."
   (interactive)
   (cond ((eq (preceding-char) ?\\)
-        (call-interactively 'self-insert-command))
-       ((eq (preceding-char) ?.)
-        (let ((TeX-default-macro " ")
-              (minibuffer-local-completion-map TeX-electric-macro-map))
-          (call-interactively 'TeX-insert-macro)))
-       (t
-        (let ((minibuffer-local-completion-map TeX-electric-macro-map))
-          (call-interactively 'TeX-insert-macro)))))
+         (call-interactively 'self-insert-command))
+        ((eq (preceding-char) ?.)
+         (let ((TeX-default-macro " ")
+               (minibuffer-local-completion-map TeX-electric-macro-map))
+           (call-interactively 'TeX-insert-macro)))
+        (t
+         (let ((minibuffer-local-completion-map TeX-electric-macro-map))
+           (call-interactively 'TeX-insert-macro)))))
 
 (defvar TeX-exit-mark nil
   "Dynamically bound by `TeX-parse-macro' and `LaTeX-env-args'.")
@@ -3339,50 +3339,50 @@ TeX macro.  What is done depend on the type of the 
element:
   Use square brackets instead of curly braces, and is not inserted
   on empty user input."
   (let ((TeX-grop (if (and (or (atom args) (= (length args) 1))
-                          (fboundp 'LaTeX-verbatim-macros-with-delims)
-                          (member symbol (LaTeX-verbatim-macros-with-delims)))
-                     LaTeX-default-verb-delimiter
-                   TeX-grop))
-       (TeX-grcl (if (and (or (atom args) (= (length args) 1))
-                          (fboundp 'LaTeX-verbatim-macros-with-delims)
-                          (member symbol (LaTeX-verbatim-macros-with-delims)))
-                     LaTeX-default-verb-delimiter
-                   TeX-grcl)))
+                           (fboundp 'LaTeX-verbatim-macros-with-delims)
+                           (member symbol (LaTeX-verbatim-macros-with-delims)))
+                      LaTeX-default-verb-delimiter
+                    TeX-grop))
+        (TeX-grcl (if (and (or (atom args) (= (length args) 1))
+                           (fboundp 'LaTeX-verbatim-macros-with-delims)
+                           (member symbol (LaTeX-verbatim-macros-with-delims)))
+                      LaTeX-default-verb-delimiter
+                    TeX-grcl)))
     (if (and (TeX-active-mark)
-            (> (point) (mark)))
-       (exchange-point-and-mark))
+             (> (point) (mark)))
+        (exchange-point-and-mark))
     (insert TeX-esc symbol)
     (let ((TeX-exit-mark (make-marker))
-         (position (point)))
+          (position (point)))
       (TeX-parse-arguments args)
       (cond ((marker-position TeX-exit-mark)
-            (goto-char (marker-position TeX-exit-mark))
-            (set-marker TeX-exit-mark nil))
-           ((let ((element (assoc symbol TeX-insert-braces-alist)))
-              ;; If in `TeX-insert-braces-alist' there is an element associated
-              ;; to the current macro, use its value to decide whether 
inserting
-              ;; a pair of braces, otherwise use the standard criterion.
-              (if element
-                  (cdr element)
-                (and TeX-insert-braces
-                     ;; Do not add braces if the argument is 0 or -1.
-                     (not (and (= (safe-length args) 1)
-                               (numberp (car args))
-                               (<= (car args) 0)))
-                     (equal position (point))
-                     (string-match "[a-zA-Z]+" symbol))))
-            (if (texmathp)
-                (when (TeX-active-mark)
-                  (insert TeX-grop)
-                  (exchange-point-and-mark)
-                  (insert TeX-grcl))
-              (insert TeX-grop)
-              (if (TeX-active-mark)
-                  (progn
-                    (exchange-point-and-mark)
-                    (insert TeX-grcl))
-                (insert TeX-grcl)
-                (backward-char))))))))
+             (goto-char (marker-position TeX-exit-mark))
+             (set-marker TeX-exit-mark nil))
+            ((let ((element (assoc symbol TeX-insert-braces-alist)))
+               ;; If in `TeX-insert-braces-alist' there is an element 
associated
+               ;; to the current macro, use its value to decide whether 
inserting
+               ;; a pair of braces, otherwise use the standard criterion.
+               (if element
+                   (cdr element)
+                 (and TeX-insert-braces
+                      ;; Do not add braces if the argument is 0 or -1.
+                      (not (and (= (safe-length args) 1)
+                                (numberp (car args))
+                                (<= (car args) 0)))
+                      (equal position (point))
+                      (string-match "[a-zA-Z]+" symbol))))
+             (if (texmathp)
+                 (when (TeX-active-mark)
+                   (insert TeX-grop)
+                   (exchange-point-and-mark)
+                   (insert TeX-grcl))
+               (insert TeX-grop)
+               (if (TeX-active-mark)
+                   (progn
+                     (exchange-point-and-mark)
+                     (insert TeX-grcl))
+                 (insert TeX-grcl)
+                 (backward-char))))))))
 
 (defun TeX-arg-string (optional &optional prompt initial-input)
   "Prompt for a string.
@@ -3392,8 +3392,8 @@ INITIAL-INPUT is a string to insert before reading input."
   (TeX-argument-insert
    (if (and (not optional) (TeX-active-mark))
        (let ((TeX-argument (buffer-substring (point) (mark))))
-        (delete-region (point) (mark))
-        TeX-argument)
+         (delete-region (point) (mark))
+         TeX-argument)
      (TeX-read-string (TeX-argument-prompt optional prompt "Text") 
initial-input))
    optional))
 
@@ -3407,28 +3407,28 @@ See `TeX-parse-macro' for details."
   (let ((TeX-last-optional-rejected nil))
     (while args
       (if (vectorp (car args))
-         ;; Maybe get rid of all optional arguments.  See `TeX-insert-macro'
-         ;; for more comments.  See `TeX-insert-macro-default-style'.
-         ;; The macro `LaTeX-check-insert-macro-default-style' in
-         ;; `latex.el' uses the code inside (unless ...)  This macro
-         ;; should be adapted if the code here changs.
-         (unless (if (eq TeX-insert-macro-default-style 
'show-all-optional-args)
-                     (equal current-prefix-arg '(4))
-                   (or
-                    (and (eq TeX-insert-macro-default-style 
'show-optional-args)
-                         (equal current-prefix-arg '(4)))
-                    (and (eq TeX-insert-macro-default-style 
'mandatory-args-only)
-                         (null (equal current-prefix-arg '(4))))
-                    TeX-last-optional-rejected))
-           (let ((TeX-arg-opening-brace LaTeX-optop)
-                 (TeX-arg-closing-brace LaTeX-optcl))
-             (TeX-parse-argument t (if (equal (length (car args)) 1)
-                                       (aref (car args) 0)
-                                     (append (car args) nil)))))
-       (let ((TeX-arg-opening-brace TeX-grop)
-             (TeX-arg-closing-brace TeX-grcl))
-         (setq TeX-last-optional-rejected nil)
-         (TeX-parse-argument nil (car args))))
+          ;; Maybe get rid of all optional arguments.  See `TeX-insert-macro'
+          ;; for more comments.  See `TeX-insert-macro-default-style'.
+          ;; The macro `LaTeX-check-insert-macro-default-style' in
+          ;; `latex.el' uses the code inside (unless ...)  This macro
+          ;; should be adapted if the code here changs.
+          (unless (if (eq TeX-insert-macro-default-style 
'show-all-optional-args)
+                      (equal current-prefix-arg '(4))
+                    (or
+                     (and (eq TeX-insert-macro-default-style 
'show-optional-args)
+                          (equal current-prefix-arg '(4)))
+                     (and (eq TeX-insert-macro-default-style 
'mandatory-args-only)
+                          (null (equal current-prefix-arg '(4))))
+                     TeX-last-optional-rejected))
+            (let ((TeX-arg-opening-brace LaTeX-optop)
+                  (TeX-arg-closing-brace LaTeX-optcl))
+              (TeX-parse-argument t (if (equal (length (car args)) 1)
+                                        (aref (car args) 0)
+                                      (append (car args) nil)))))
+        (let ((TeX-arg-opening-brace TeX-grop)
+              (TeX-arg-closing-brace TeX-grcl))
+          (setq TeX-last-optional-rejected nil)
+          (TeX-parse-argument nil (car args))))
       (setq args (cdr args)))))
 
 (defun TeX-parse-argument (optional arg)
@@ -3439,54 +3439,54 @@ then use square brackets instead of curly braces.
 See `TeX-parse-macro' for details."
   (let (insert-flag)
     (cond ((stringp arg)
-          (TeX-arg-string optional arg)
-          (setq insert-flag t))
-         ((numberp arg)
-          (cond ((< arg 0)
-                 (when (TeX-active-mark)
-                   ;; Put both the macro and the marked region in a TeX group.
-                   (let ((beg (min (point) (mark)))
-                         (end (set-marker (make-marker) (max (point) (mark)))))
-                     (insert " ")
-                     (goto-char beg)
-                     (skip-chars-backward "^\\\\")
-                     (backward-char)
-                     (insert TeX-arg-opening-brace)
-                     (goto-char (marker-position end))
-                     (insert TeX-arg-closing-brace)
-                     (setq insert-flag t))))
-                ((= arg 0)) ; nop for clarity
-                ((> arg 0)
-                 (TeX-parse-argument optional t)
-                 (while (> arg 1)
-                   (TeX-parse-argument optional nil)
-                   (setq arg (- arg 1))))))
-         ((null arg)
-          (insert TeX-arg-opening-brace)
-          (when (and (not optional) (TeX-active-mark))
-            (exchange-point-and-mark))
-          (insert TeX-arg-closing-brace)
-          (setq insert-flag t))
-         ((eq arg t)
-          (insert TeX-arg-opening-brace)
-          (if (and (not optional) (TeX-active-mark))
-              (progn
-                (exchange-point-and-mark))
-            (set-marker TeX-exit-mark (point)))
-          (insert TeX-arg-closing-brace)
-          (setq insert-flag t))
-         ((symbolp arg)
-          (funcall arg optional))
-         ((listp arg)
-          (let ((head (car arg))
-                (tail (cdr arg)))
-            (cond ((stringp head)
-                   (apply 'TeX-arg-string optional arg))
-                  ((symbolp head)
-                   (apply head optional tail))
-                  (t (error "Unknown list argument type %s"
-                            (prin1-to-string head))))))
-         (t (error "Unknown argument type %s" (prin1-to-string arg))))
+           (TeX-arg-string optional arg)
+           (setq insert-flag t))
+          ((numberp arg)
+           (cond ((< arg 0)
+                  (when (TeX-active-mark)
+                    ;; Put both the macro and the marked region in a TeX group.
+                    (let ((beg (min (point) (mark)))
+                          (end (set-marker (make-marker) (max (point) 
(mark)))))
+                      (insert " ")
+                      (goto-char beg)
+                      (skip-chars-backward "^\\\\")
+                      (backward-char)
+                      (insert TeX-arg-opening-brace)
+                      (goto-char (marker-position end))
+                      (insert TeX-arg-closing-brace)
+                      (setq insert-flag t))))
+                 ((= arg 0)) ; nop for clarity
+                 ((> arg 0)
+                  (TeX-parse-argument optional t)
+                  (while (> arg 1)
+                    (TeX-parse-argument optional nil)
+                    (setq arg (- arg 1))))))
+          ((null arg)
+           (insert TeX-arg-opening-brace)
+           (when (and (not optional) (TeX-active-mark))
+             (exchange-point-and-mark))
+           (insert TeX-arg-closing-brace)
+           (setq insert-flag t))
+          ((eq arg t)
+           (insert TeX-arg-opening-brace)
+           (if (and (not optional) (TeX-active-mark))
+               (progn
+                 (exchange-point-and-mark))
+             (set-marker TeX-exit-mark (point)))
+           (insert TeX-arg-closing-brace)
+           (setq insert-flag t))
+          ((symbolp arg)
+           (funcall arg optional))
+          ((listp arg)
+           (let ((head (car arg))
+                 (tail (cdr arg)))
+             (cond ((stringp head)
+                    (apply 'TeX-arg-string optional arg))
+                   ((symbolp head)
+                    (apply head optional tail))
+                   (t (error "Unknown list argument type %s"
+                             (prin1-to-string head))))))
+          (t (error "Unknown argument type %s" (prin1-to-string arg))))
     (when (and insert-flag (not optional) (TeX-active-mark))
       (deactivate-mark))))
 
@@ -3499,10 +3499,10 @@ If PREFIX is given, insert it before NAME."
       (setq TeX-last-optional-rejected t)
     (insert TeX-arg-opening-brace)
     (if prefix
-       (insert prefix))
+        (insert prefix))
     (if (and (string-equal name "")
-            (null (marker-position TeX-exit-mark)))
-       (set-marker TeX-exit-mark (point))
+             (null (marker-position TeX-exit-mark)))
+        (set-marker TeX-exit-mark (point))
       (insert name))
     (insert TeX-arg-closing-brace)))
 
@@ -3515,25 +3515,25 @@ PROMPT will be used if not nil, otherwise use DEFAULT.
 
 Unless optional argument COMPLETE is non-nil, ``: '' will be appended."
   (concat (if optional "(Optional) " "")
-         (if prompt prompt default)
-         (if complete "" ": ")))
+          (if prompt prompt default)
+          (if complete "" ": ")))
 
 (defun TeX-string-divide-number-unit (string)
   "Divide number and unit in STRING and return a list (number unit)."
   (if (string-match "[0-9]*\\.?[0-9]+" string)
       (list (substring string 0 (string-match "[^.0-9]" string))
-           (substring string (if (string-match "[^.0-9]" string)
-                                 (string-match "[^.0-9]" string)
-                               (length string))))
+            (substring string (if (string-match "[^.0-9]" string)
+                                  (string-match "[^.0-9]" string)
+                                (length string))))
     (list "" string)))
 
 (defcustom TeX-default-unit-for-image "cm"
   "Default unit when prompting for an image size."
   :group 'TeX-macro
   :type '(choice (const "cm")
-                (const "in")
-                (const "\\linewidth")
-                (string :tag "Other")))
+                 (const "in")
+                 (const "\\linewidth")
+                 (string :tag "Other")))
 
 (defun TeX-arg-maybe (symbol list form)
   "Evaluates FORM, if SYMBOL is an element of LIST."
@@ -3543,9 +3543,9 @@ Unless optional argument COMPLETE is non-nil, ``: '' will 
be appended."
 (defun TeX-arg-free (optional &rest args)
   "Parse its arguments but use no braces when they are inserted."
   (let ((TeX-arg-opening-brace "")
-       (TeX-arg-closing-brace ""))
+        (TeX-arg-closing-brace ""))
     (if (equal (length args) 1)
-       (TeX-parse-argument optional (car args))
+        (TeX-parse-argument optional (car args))
       (TeX-parse-argument optional args))))
 
 (defun TeX-arg-literal (_optional &rest args)
@@ -3562,9 +3562,9 @@ argument OPTIONAL is ignored."
 Choose `ignore' if you don't want AUCTeX to install support for font locking."
   :group 'TeX-misc
   :type '(radio (function-item font-latex-setup)
-               (function-item tex-font-setup)
-               (function-item ignore)
-               (function :tag "Other")))
+                (function-item tex-font-setup)
+                (function-item ignore)
+                (function :tag "Other")))
 
 ;;; The Mode
 
@@ -3603,8 +3603,8 @@ the major mode to be used.")
   "Mode to enter for a new file when it can't be determined otherwise."
   :group 'TeX-misc
   :type '(radio (function-item latex-mode)
-               (function-item plain-tex-mode)
-               (function :tag "Other")))
+                (function-item plain-tex-mode)
+                (function :tag "Other")))
 
 (defcustom TeX-force-default-mode nil
   "If set to nil, try to infer the mode of the file from its content."
@@ -3626,36 +3626,36 @@ The algorithm is as follows:
   (interactive)
 
   (funcall (if (or (equal (buffer-size) 0)
-                  TeX-force-default-mode)
-              TeX-default-mode
-            (save-excursion
-              (goto-char (point-min))
-              (let ((comment-start-skip ;Used by TeX-in-comment
-                     (concat
-                      "\\(\\(^\\|[^\\\n]\\)\\("
-                      (regexp-quote TeX-esc)
-                      (regexp-quote TeX-esc)
-                      "\\)*\\)\\(%+ *\\)"))
-                    (entry TeX-format-list)
-                    answer case-fold-search)
-                (while (and entry (not answer))
-                  (if (re-search-forward (nth 2 (car entry))
-                                         10000 t)
-                      (if (not (TeX-in-comment))
-                          (setq answer (nth 1 (car entry))))
-                    (setq entry (cdr entry))))
-                (if answer
-                    answer
-                  TeX-default-mode))))))
+                   TeX-force-default-mode)
+               TeX-default-mode
+             (save-excursion
+               (goto-char (point-min))
+               (let ((comment-start-skip ;Used by TeX-in-comment
+                      (concat
+                       "\\(\\(^\\|[^\\\n]\\)\\("
+                       (regexp-quote TeX-esc)
+                       (regexp-quote TeX-esc)
+                       "\\)*\\)\\(%+ *\\)"))
+                     (entry TeX-format-list)
+                     answer case-fold-search)
+                 (while (and entry (not answer))
+                   (if (re-search-forward (nth 2 (car entry))
+                                          10000 t)
+                       (if (not (TeX-in-comment))
+                           (setq answer (nth 1 (car entry))))
+                     (setq entry (cdr entry))))
+                 (if answer
+                     answer
+                   TeX-default-mode))))))
 
 (when (and (boundp 'tex--prettify-symbols-alist)
-          (boundp 'prettify-symbols-compose-predicate))
+           (boundp 'prettify-symbols-compose-predicate))
   (defun TeX--prettify-symbols-compose-p (start end match)
     (and (tex--prettify-symbols-compose-p start end match)
-        (not (let ((face (get-text-property end 'face)))
-               (if (consp face)
-                   (memq 'font-latex-verbatim-face face)
-                 (eq face 'font-latex-verbatim-face)))))))
+         (not (let ((face (get-text-property end 'face)))
+                (if (consp face)
+                    (memq 'font-latex-verbatim-face face)
+                  (eq face 'font-latex-verbatim-face)))))))
 
 (defun VirTeX-common-initialization ()
   "Perform basic initialization."
@@ -3674,10 +3674,10 @@ The algorithm is as follows:
   (set (make-local-variable 'comment-start) "%")
   (set (make-local-variable 'comment-start-skip)
        (concat
-       "\\(\\(^\\|[^\\\n]\\)\\("
-       (regexp-quote TeX-esc)
-       (regexp-quote TeX-esc)
-       "\\)*\\)\\(%+[ \t]*\\)"))
+        "\\(\\(^\\|[^\\\n]\\)\\("
+        (regexp-quote TeX-esc)
+        (regexp-quote TeX-esc)
+        "\\)*\\)\\(%+[ \t]*\\)"))
   (set (make-local-variable 'comment-end-skip) "[ \t]*\\(\\s>\\|\n\\)")
   (set (make-local-variable 'comment-use-syntax) t)
   ;; `comment-padding' is defined here as an integer for compatibility
@@ -3696,16 +3696,16 @@ The algorithm is as follows:
   ;; Make TAB stand out
   ;;  (make-local-variable 'buffer-display-table)
   ;;  (setq buffer-display-table (if standard-display-table
-  ;;                            (copy-sequence standard-display-table)
-  ;;                          (make-display-table)))
+  ;;                             (copy-sequence standard-display-table)
+  ;;                           (make-display-table)))
   ;;  (aset buffer-display-table ?\t (apply 'vector (append "<TAB>" nil)))
 
   ;; Symbol completion.
   (set (make-local-variable 'TeX-complete-list)
        (list (list "\\\\\\([a-zA-Z]*\\)"
-                  1 'TeX-symbol-list-filtered
-                  (if TeX-insert-braces "{}"))
-            (list "" TeX-complete-word)))
+                   1 'TeX-symbol-list-filtered
+                   (if TeX-insert-braces "{}"))
+             (list "" TeX-complete-word)))
 
   (funcall TeX-install-font-lock)
 
@@ -3724,15 +3724,15 @@ The algorithm is as follows:
   (when (fboundp 'TeX--prettify-symbols-compose-p)
     (set (make-local-variable 'prettify-symbols-alist) 
tex--prettify-symbols-alist)
     (TeX--if-macro-fboundp add-function
-       (add-function :override (local 'prettify-symbols-compose-predicate)
-                     #'TeX--prettify-symbols-compose-p)
+        (add-function :override (local 'prettify-symbols-compose-predicate)
+                      #'TeX--prettify-symbols-compose-p)
       (set (make-local-variable 'prettify-symbols-compose-predicate)
-          #'TeX--prettify-symbols-compose-p)))
+           #'TeX--prettify-symbols-compose-p)))
 
   ;; Standard Emacs completion-at-point support
   (when (boundp 'completion-at-point-functions)
     (add-hook 'completion-at-point-functions
-             #'TeX--completion-at-point nil t))
+              #'TeX--completion-at-point nil t))
 
   ;; Let `TeX-master-file' be called after a new file was opened and
   ;; call `TeX-update-style' on any file opened.  (The addition to the
@@ -3749,24 +3749,24 @@ The algorithm is as follows:
   ;; `TeX-update-style' as the latter will call `TeX-master-file'
   ;; without the `ask' bit set.
   (add-hook 'find-file-hook
-           (lambda ()
-             ;; Check if we are looking at a new or shared file.
-             (when (or (not (file-exists-p (buffer-file-name)))
-                       (eq TeX-master 'shared))
-               (TeX-master-file nil nil t))
-             (TeX-update-style t)) nil t))
+            (lambda ()
+              ;; Check if we are looking at a new or shared file.
+              (when (or (not (file-exists-p (buffer-file-name)))
+                        (eq TeX-master 'shared))
+                (TeX-master-file nil nil t))
+              (TeX-update-style t)) nil t))
 
 
 ;;; Hilighting
 
 (if (boundp 'hilit-patterns-alist)
     (let ((latex-patterns (cdr-safe (assq 'latex-mode hilit-patterns-alist)))
-         (plain-tex-patterns (cdr-safe (assq 'plain-tex-mode
-                                             hilit-patterns-alist))))
+          (plain-tex-patterns (cdr-safe (assq 'plain-tex-mode
+                                              hilit-patterns-alist))))
       (if (and latex-patterns plain-tex-patterns)
-         (setq hilit-patterns-alist
-               (append (list (cons 'ams-tex-mode plain-tex-patterns))
-                       hilit-patterns-alist)))))
+          (setq hilit-patterns-alist
+                (append (list (cons 'ams-tex-mode plain-tex-patterns))
+                        hilit-patterns-alist)))))
 
 ;;; Parsing
 
@@ -3793,12 +3793,12 @@ The algorithm is as follows:
 (defun TeX-auto-add-information (name entries)
   "For NAME in `TeX-auto-parser' add ENTRIES."
   (let* ((entry (assoc name TeX-auto-parser))
-        (change (nth TeX-auto-parser-change entry))
-        (change-value (symbol-value change))
-        (local (nth TeX-auto-parser-local entry))
-        (local-value (symbol-value local)))
+         (change (nth TeX-auto-parser-change entry))
+         (change-value (symbol-value change))
+         (local (nth TeX-auto-parser-local entry))
+         (local-value (symbol-value local)))
     (if change-value
-       (set local (cons entries local-value))
+        (set local (cons entries local-value))
       (set change t)
       (set local (list entries local-value)))))
 
@@ -3806,31 +3806,31 @@ The algorithm is as follows:
   "Return information in `TeX-auto-parser' about NAME."
   (TeX-update-style)
   (let* ((entry (assoc name TeX-auto-parser))
-        (change (nth TeX-auto-parser-change entry))
-        (change-value (symbol-value change))
-        (local (nth TeX-auto-parser-local entry)))
+         (change (nth TeX-auto-parser-change entry))
+         (change-value (symbol-value change))
+         (local (nth TeX-auto-parser-local entry)))
     (if (not change-value)
-       ()
+        ()
       (set change nil)
       ;; Sort it
       (message "Sorting %s..." name)
       (set local
-          (sort (mapcar 'TeX-listify (apply 'append (symbol-value local)))
-                'TeX-car-string-lessp))
+           (sort (mapcar 'TeX-listify (apply 'append (symbol-value local)))
+                 'TeX-car-string-lessp))
       (message "Sorting %s...done" name)
       ;; Make it unique
       (message "Removing duplicates...")
       (let ((entry (symbol-value local)))
-       (while (and entry (cdr entry))
-         (let ((this (car entry))
-               (next (car (cdr entry))))
-           (if (not (string-equal (car this) (car next)))
-               (setq entry (cdr entry))
-             ;; We have two equal symbols.  Use the one with
-             ;; most arguments.
-             (if (> (length next) (length this))
-                 (setcdr this (cdr next)))
-             (setcdr entry (cdr (cdr entry)))))))
+        (while (and entry (cdr entry))
+          (let ((this (car entry))
+                (next (car (cdr entry))))
+            (if (not (string-equal (car this) (car next)))
+                (setq entry (cdr entry))
+              ;; We have two equal symbols.  Use the one with
+              ;; most arguments.
+              (if (> (length next) (length this))
+                  (setcdr this (cdr next)))
+              (setcdr entry (cdr (cdr entry)))))))
       (message "Removing duplicates...done"))
     (symbol-value local)))
 
@@ -3843,12 +3843,12 @@ By default just add an `s'.
 This macro creates a set of variables and functions to maintain a
 separate type of information in the parser."
   (let* ((names (or plural (concat name "s")))
-        (tmp (intern (concat prefix "-auto-" name)))
-        (add (intern (concat prefix "-add-" names)))
-        (local (intern (concat prefix "-" name "-list")))
-        (change (intern (concat prefix "-" name "-changed")))
-        (vardoc (concat "Information about " names
-                         " in the current buffer.
+         (tmp (intern (concat prefix "-auto-" name)))
+         (add (intern (concat prefix "-add-" names)))
+         (local (intern (concat prefix "-" name "-list")))
+         (change (intern (concat prefix "-" name "-changed")))
+         (vardoc (concat "Information about " names
+                          " in the current buffer.
 Generated by `TeX-auto-add-type'.")))
     `(progn
        (defvar ,tmp nil ,vardoc)
@@ -3857,21 +3857,21 @@ Generated by `TeX-auto-add-type'.")))
        (defvar ,change nil ,vardoc)
        (make-variable-buffer-local ',change)
        (defun ,add (&rest ,(intern names))
-        ,(concat "Add information about " (upcase names)
-                 " to the current buffer.
+         ,(concat "Add information about " (upcase names)
+                  " to the current buffer.
 Generated by `TeX-auto-add-type'.")
-        (TeX-auto-add-information ,name ,(intern names)))
+         (TeX-auto-add-information ,name ,(intern names)))
        (defun ,local ()
-        ,(concat "List of " names
-                 " active in the current buffer.
+         ,(concat "List of " names
+                  " active in the current buffer.
 Generated by `TeX-auto-add-type'.")
-        (TeX-auto-list-information ,name))
+         (TeX-auto-list-information ,name))
        ;; Append new type to `TeX-auto-parser' in order to make `style' type
        ;; always the first.
        (add-to-list 'TeX-auto-parser ',(list name tmp add local change) t)
        (add-hook 'TeX-remove-style-hook
-                (lambda ()
-                  (setq ,local nil))))))
+                 (lambda ()
+                   (setq ,local nil))))))
 
 (TeX-auto-add-type "symbol" "TeX")
 
@@ -3887,15 +3887,15 @@ Generated by `TeX-auto-add-type'.")
 (defun TeX-auto-apply-entry (entry)
   "Apply the information in ENTRY in `TeX-auto-parser'."
   (let ((value (symbol-value (nth TeX-auto-parser-temporary entry)))
-       (add (nth TeX-auto-parser-add entry)))
+        (add (nth TeX-auto-parser-add entry)))
     (if value (apply add value))))
 
 (defun TeX-safe-auto-write ()
   "Call `TeX-auto-write' safely."
   (condition-case _ignored
       (and (boundp 'TeX-auto-update)
-          TeX-auto-update
-          (TeX-auto-write))
+           TeX-auto-update
+           (TeX-auto-write))
     (error nil))
   ;; Continue with the other write file hooks.
   nil)
@@ -3916,22 +3916,22 @@ Generated by `TeX-auto-add-type'.")
       (untabify (point-min) (point-max)))
   (if (and TeX-auto-save TeX-auto-local)
       (let* ((file (expand-file-name
-                   (concat
-                    (file-name-as-directory TeX-auto-local)
-                    (TeX-strip-extension nil TeX-all-extensions t)
-                    ".el")
-                   (TeX-master-directory)))
-            (dir (file-name-directory file)))
-       ;; Create auto directory if possible.
-       (if (not (file-exists-p dir))
-           (condition-case _ignored
-               (make-directory dir)
-             (error nil)))
-       (if (file-writable-p file)
-           (save-excursion
-             (TeX-update-style)
-             (TeX-auto-store file))
-         (message "Can't write style information.")))))
+                    (concat
+                     (file-name-as-directory TeX-auto-local)
+                     (TeX-strip-extension nil TeX-all-extensions t)
+                     ".el")
+                    (TeX-master-directory)))
+             (dir (file-name-directory file)))
+        ;; Create auto directory if possible.
+        (if (not (file-exists-p dir))
+            (condition-case _ignored
+                (make-directory dir)
+              (error nil)))
+        (if (file-writable-p file)
+            (save-excursion
+              (TeX-update-style)
+              (TeX-auto-store file))
+          (message "Can't write style information.")))))
 
 (defcustom TeX-macro-default (car-safe TeX-macro-private)
   "Default directory to search for TeX macros."
@@ -3958,8 +3958,8 @@ nil means do not recurse, a positive integer means go 
that far deep in the
 directory hierarchy, t means recurse indefinitely."
   :group 'TeX-parse
   :type '(choice (const :tag "On" t)
-                (const :tag "Off" nil)
-                (integer :tag "Depth" :value 1)))
+                 (const :tag "Off" nil)
+                 (integer :tag "Depth" :value 1)))
 
 (defvar TeX-file-extensions)
 (defvar BibTeX-file-extensions)
@@ -3970,50 +3970,50 @@ directory hierarchy, t means recurse indefinitely."
   "Generate style file for TEX and store it in AUTO.
 If TEX is a directory, generate style files for all files in the directory."
   (interactive (list (setq TeX-macro-default
-                          (expand-file-name (read-file-name
-                                             "TeX file or directory: "
-                                             TeX-macro-default
-                                             TeX-macro-default 'confirm)))
-                    (setq TeX-auto-default
-                          (expand-file-name (read-file-name
-                                             "AUTO lisp directory: "
-                                             TeX-auto-default
-                                             TeX-auto-default 'confirm)))))
+                           (expand-file-name (read-file-name
+                                              "TeX file or directory: "
+                                              TeX-macro-default
+                                              TeX-macro-default 'confirm)))
+                     (setq TeX-auto-default
+                           (expand-file-name (read-file-name
+                                              "AUTO lisp directory: "
+                                              TeX-auto-default
+                                              TeX-auto-default 'confirm)))))
   (cond ((not (file-readable-p tex)))
-       ((string-match TeX-ignore-file tex))
-       ((file-directory-p tex)
-        (let ((files (directory-files (expand-file-name tex)))
-              (default-directory (file-name-as-directory
-                                  (expand-file-name tex)))
-              (TeX-file-recurse (cond ((symbolp TeX-file-recurse)
-                                       TeX-file-recurse)
-                                      ((zerop TeX-file-recurse)
-                                       nil)
-                                      ((1- TeX-file-recurse)))))
-          (mapcar (lambda (file)
-                    (if (or TeX-file-recurse
-                            (not (file-directory-p file)))
-                        (TeX-auto-generate file auto)))
-                  files)))
-       ((not (file-newer-than-file-p
-              tex
-              (concat (file-name-as-directory auto)
-                      (TeX-strip-extension tex TeX-all-extensions t)
-                      ".el"))))
-       ((TeX-match-extension tex (TeX-delete-duplicate-strings
-                                  (append TeX-file-extensions
-                                          BibTeX-file-extensions
-                                          TeX-Biber-file-extensions)))
-        (with-current-buffer (let (enable-local-eval)
-                               (find-file-noselect tex))
-          (message "Parsing %s..." tex)
-          (TeX-auto-store (concat (file-name-as-directory auto)
-                                  (TeX-strip-extension tex
-                                                       TeX-all-extensions
-                                                       t)
-                                  ".el"))
-          (kill-buffer (current-buffer))
-          (message "Parsing %s...done" tex)))))
+        ((string-match TeX-ignore-file tex))
+        ((file-directory-p tex)
+         (let ((files (directory-files (expand-file-name tex)))
+               (default-directory (file-name-as-directory
+                                   (expand-file-name tex)))
+               (TeX-file-recurse (cond ((symbolp TeX-file-recurse)
+                                        TeX-file-recurse)
+                                       ((zerop TeX-file-recurse)
+                                        nil)
+                                       ((1- TeX-file-recurse)))))
+           (mapcar (lambda (file)
+                     (if (or TeX-file-recurse
+                             (not (file-directory-p file)))
+                         (TeX-auto-generate file auto)))
+                   files)))
+        ((not (file-newer-than-file-p
+               tex
+               (concat (file-name-as-directory auto)
+                       (TeX-strip-extension tex TeX-all-extensions t)
+                       ".el"))))
+        ((TeX-match-extension tex (TeX-delete-duplicate-strings
+                                   (append TeX-file-extensions
+                                           BibTeX-file-extensions
+                                           TeX-Biber-file-extensions)))
+         (with-current-buffer (let (enable-local-eval)
+                                (find-file-noselect tex))
+           (message "Parsing %s..." tex)
+           (TeX-auto-store (concat (file-name-as-directory auto)
+                                   (TeX-strip-extension tex
+                                                        TeX-all-extensions
+                                                        t)
+                                   ".el"))
+           (kill-buffer (current-buffer))
+           (message "Parsing %s...done" tex)))))
 
 ;;;###autoload
 (defun TeX-auto-generate-global ()
@@ -4022,10 +4022,10 @@ If TEX is a directory, generate style files for all 
files in the directory."
   (unless (file-directory-p TeX-auto-global)
     (make-directory TeX-auto-global))
   (let ((TeX-file-extensions '("cls" "sty"))
-       (BibTeX-file-extensions nil)
-       (TeX-Biber-file-extensions nil))
+        (BibTeX-file-extensions nil)
+        (TeX-Biber-file-extensions nil))
     (mapc (lambda (macro) (TeX-auto-generate macro TeX-auto-global))
-         TeX-macro-global))
+          TeX-macro-global))
   (byte-recompile-directory TeX-auto-global 0))
 
 (defun TeX-auto-store (file)
@@ -4034,55 +4034,55 @@ If TEX is a directory, generate style files for all 
files in the directory."
 
   (if (member nil (mapcar 'TeX-auto-entry-clear-p TeX-auto-parser))
       (let ((style (TeX-strip-extension nil TeX-all-extensions t))
-           (class-opts (if (boundp 'LaTeX-provided-class-options)
-                           LaTeX-provided-class-options))
-           (pkg-opts (if (boundp 'LaTeX-provided-package-options)
-                         LaTeX-provided-package-options))
-           (tex-cmd-opts TeX-command-extra-options)
-           (verb-envs (when (boundp 'LaTeX-verbatim-environments-local)
-                        LaTeX-verbatim-environments-local))
-           (verb-macros-delims (when (boundp 
'LaTeX-verbatim-macros-with-delims-local)
-                                 LaTeX-verbatim-macros-with-delims-local))
-           (verb-macros-braces (when (boundp 
'LaTeX-verbatim-macros-with-braces-local)
-                                 LaTeX-verbatim-macros-with-braces-local))
-           (dialect TeX-style-hook-dialect))
-       (TeX-unload-style style)
-       (with-current-buffer (generate-new-buffer file)
-         (erase-buffer)
-         (insert "(TeX-add-style-hook\n \""
-                 style "\"\n (lambda ()")
-         (unless (string= tex-cmd-opts "")
-           (insert "\n   (setq TeX-command-extra-options\n"
-                   "         " (prin1-to-string tex-cmd-opts) ")"))
-         (when class-opts
-           (insert "\n   (TeX-add-to-alist 'LaTeX-provided-class-options\n"
-                   "                     '" (prin1-to-string class-opts) ")"))
-         (when pkg-opts
-           (insert "\n   (TeX-add-to-alist 'LaTeX-provided-package-options\n"
-                   "                     '" (prin1-to-string pkg-opts) ")"))
-         (dolist (env verb-envs)
-           (insert
-            (format "\n   (add-to-list 'LaTeX-verbatim-environments-local 
\"%s\")"
-                    env)))
-         (dolist (env verb-macros-braces)
-           (insert
-            (format "\n   (add-to-list 
'LaTeX-verbatim-macros-with-braces-local \"%s\")"
-                    env)))
-         (dolist (env verb-macros-delims)
-           (insert
-            (format "\n   (add-to-list 
'LaTeX-verbatim-macros-with-delims-local \"%s\")"
-                    env)))
-         (mapc (lambda (el) (TeX-auto-insert el style))
-               TeX-auto-parser)
-         (insert ")")
-         (if dialect (insert (concat "\n " (prin1-to-string dialect))))
-         (insert ")\n\n")
-         (write-region (point-min) (point-max) file nil 'silent)
-         (kill-buffer (current-buffer))))
+            (class-opts (if (boundp 'LaTeX-provided-class-options)
+                            LaTeX-provided-class-options))
+            (pkg-opts (if (boundp 'LaTeX-provided-package-options)
+                          LaTeX-provided-package-options))
+            (tex-cmd-opts TeX-command-extra-options)
+            (verb-envs (when (boundp 'LaTeX-verbatim-environments-local)
+                         LaTeX-verbatim-environments-local))
+            (verb-macros-delims (when (boundp 
'LaTeX-verbatim-macros-with-delims-local)
+                                  LaTeX-verbatim-macros-with-delims-local))
+            (verb-macros-braces (when (boundp 
'LaTeX-verbatim-macros-with-braces-local)
+                                  LaTeX-verbatim-macros-with-braces-local))
+            (dialect TeX-style-hook-dialect))
+        (TeX-unload-style style)
+        (with-current-buffer (generate-new-buffer file)
+          (erase-buffer)
+          (insert "(TeX-add-style-hook\n \""
+                  style "\"\n (lambda ()")
+          (unless (string= tex-cmd-opts "")
+            (insert "\n   (setq TeX-command-extra-options\n"
+                    "         " (prin1-to-string tex-cmd-opts) ")"))
+          (when class-opts
+            (insert "\n   (TeX-add-to-alist 'LaTeX-provided-class-options\n"
+                    "                     '" (prin1-to-string class-opts) ")"))
+          (when pkg-opts
+            (insert "\n   (TeX-add-to-alist 'LaTeX-provided-package-options\n"
+                    "                     '" (prin1-to-string pkg-opts) ")"))
+          (dolist (env verb-envs)
+            (insert
+             (format "\n   (add-to-list 'LaTeX-verbatim-environments-local 
\"%s\")"
+                     env)))
+          (dolist (env verb-macros-braces)
+            (insert
+             (format "\n   (add-to-list 
'LaTeX-verbatim-macros-with-braces-local \"%s\")"
+                     env)))
+          (dolist (env verb-macros-delims)
+            (insert
+             (format "\n   (add-to-list 
'LaTeX-verbatim-macros-with-delims-local \"%s\")"
+                     env)))
+          (mapc (lambda (el) (TeX-auto-insert el style))
+                TeX-auto-parser)
+          (insert ")")
+          (if dialect (insert (concat "\n " (prin1-to-string dialect))))
+          (insert ")\n\n")
+          (write-region (point-min) (point-max) file nil 'silent)
+          (kill-buffer (current-buffer))))
     (if (file-exists-p (concat file "c"))
-       (delete-file (concat file "c")))
+        (delete-file (concat file "c")))
     (if (file-exists-p file)
-       (delete-file file))))
+        (delete-file file))))
 
 (defun TeX-auto-entry-clear-p (entry)
   "Check if the temporary for `TeX-auto-parser' entry ENTRY is clear."
@@ -4094,16 +4094,16 @@ If TEX is a directory, generate style files for all 
files in the directory."
 
 If SKIP is not-nil, don't insert code for SKIP."
   (let ((name (symbol-name (nth TeX-auto-parser-add entry)))
-       (list (symbol-value (nth TeX-auto-parser-temporary entry))))
+        (list (symbol-value (nth TeX-auto-parser-temporary entry))))
     (unless (null list)
       (insert "\n   (" name)
       (dolist (el list)
-       (cond ((and (stringp el) (not (string= el skip)))
-              (insert "\n    ")
-              (insert (prin1-to-string el)))
-             ((not (stringp el))
-              (insert "\n    ")
-              (insert "'" (prin1-to-string el)))))
+        (cond ((and (stringp el) (not (string= el skip)))
+               (insert "\n    ")
+               (insert (prin1-to-string el)))
+              ((not (stringp el))
+               (insert "\n    ")
+               (insert "'" (prin1-to-string el)))))
       (insert ")"))))
 
 (defvar TeX-auto-ignore
@@ -4117,16 +4117,16 @@ If SKIP is not-nil, don't insert code for SKIP."
 (defcustom TeX-auto-regexp-list 'TeX-auto-full-regexp-list
   "List of regular expressions used for parsing the current file."
   :type '(radio (variable-item TeX-auto-empty-regexp-list)
-               (variable-item TeX-auto-full-regexp-list)
-               (variable-item plain-TeX-auto-regexp-list)
-               (variable-item LaTeX-auto-minimal-regexp-list)
-               (variable-item LaTeX-auto-label-regexp-list)
-               (variable-item LaTeX-auto-regexp-list)
-               (symbol :tag "Other")
-               (repeat :tag "Specify"
-                       (group (regexp :tag "Match")
-                              (sexp :tag "Groups")
-                              symbol)))
+                (variable-item TeX-auto-full-regexp-list)
+                (variable-item plain-TeX-auto-regexp-list)
+                (variable-item LaTeX-auto-minimal-regexp-list)
+                (variable-item LaTeX-auto-label-regexp-list)
+                (variable-item LaTeX-auto-regexp-list)
+                (symbol :tag "Other")
+                (repeat :tag "Specify"
+                        (group (regexp :tag "Match")
+                               (sexp :tag "Groups")
+                               symbol)))
   :group 'TeX-parse)
   (make-variable-buffer-local 'TeX-auto-regexp-list)
 
@@ -4160,7 +4160,7 @@ alter the numbering of any ordinary, non-shy groups.")
       (,(concat "\\\\font\\\\\\(" token "+\\)[^a-zA-Z@]") 1 TeX-auto-symbol)
       (,(concat "\\\\chardef\\\\\\(" token "+\\)[^a-zA-Z@]") 1 TeX-auto-symbol)
       (,(concat "\\\\new\\(?:count\\|dimen\\|muskip\\|skip\\)\\\\\\(" token
-               "+\\)[^a-zA-Z@]")
+                "+\\)[^a-zA-Z@]")
        1 TeX-auto-symbol)
       (,(concat "\\\\newfont{?\\\\\\(" token "+\\)}?") 1 TeX-auto-symbol)
       (,(concat "\\\\typein\\[\\\\\\(" token "+\\)\\]") 1 TeX-auto-symbol)
@@ -4197,16 +4197,16 @@ Use `TeX-auto-x-regexp-list' for parsing the region 
between
   "List of regular expressions used for additional parsing.
 See `TeX-auto-x-parse-length'."
   :type '(radio (variable-item TeX-auto-empty-regexp-list)
-               (variable-item TeX-auto-full-regexp-list)
-               (variable-item plain-TeX-auto-regexp-list)
-               (variable-item LaTeX-auto-minimal-regexp-list)
-               (variable-item LaTeX-auto-label-regexp-list)
-               (variable-item LaTeX-auto-regexp-list)
-               (symbol :tag "Other")
-               (repeat :tag "Specify"
-                       (group (regexp :tag "Match")
-                              (sexp :tag "Groups")
-                              symbol)))
+                (variable-item TeX-auto-full-regexp-list)
+                (variable-item plain-TeX-auto-regexp-list)
+                (variable-item LaTeX-auto-minimal-regexp-list)
+                (variable-item LaTeX-auto-label-regexp-list)
+                (variable-item LaTeX-auto-regexp-list)
+                (symbol :tag "Other")
+                (repeat :tag "Specify"
+                        (group (regexp :tag "Match")
+                               (sexp :tag "Groups")
+                               symbol)))
   :group 'TeX-parse)
   (make-variable-buffer-local 'TeX-auto-x-regexp-list)
 
@@ -4215,9 +4215,9 @@ See `TeX-auto-x-parse-length'."
 you should not use something like `[\\(]' for a character range."
   (let (start (n 0))
     (while (string-match "\\(\\`\\|[^\\]\\)\\(\\\\\\\\\\)*\\\\([^?]"
-                        regexp start)
+                         regexp start)
       (setq start (- (match-end 0) 2)
-           n (1+ n)))
+            n (1+ n)))
     n))
 
 (defun TeX-auto-parse-region (regexp-list beg end)
@@ -4227,52 +4227,52 @@ you should not use something like `[\\(]' for a 
character range."
   (if regexp-list
       ;; Extract the information.
       (let* (groups
-            (count 1)
-            (regexp (concat "\\("
-                            (mapconcat
-                             (lambda(x)
-                               (push (cons count x) groups)
-                               (setq count
-                                     (+ 1 count
-                                        (TeX-regexp-group-count (car x))))
-                               (car x))
-                             regexp-list "\\)\\|\\(")
-                            "\\)"))
-            syms
-            lst)
-       (setq count 0)
-       (goto-char (if end (min end (point-max)) (point-max)))
-       (while (re-search-backward regexp beg t)
-         (let* ((entry (cdr (TeX-member nil groups
-                                        (lambda (_a b)
-                                          (match-beginning (car b))))))
-                (symbol (nth 2 entry))
-                (match (nth 1 entry)))
-           (unless (TeX-in-comment)
-             (looking-at (nth 0 entry))
-             (if (fboundp symbol)
-                 (funcall symbol match)
-               (puthash (if (listp match)
-                            (mapcar #'TeX-match-buffer match)
-                          (TeX-match-buffer match))
-                        (setq count (1- count))
-                        (cdr (or (assq symbol syms)
-                                 (car (push
-                                       (cons symbol
-                                             (make-hash-table :test 'equal))
-                                       syms)))))))))
-       (setq count 0)
-       (dolist (symbol syms)
-         (setq lst (symbol-value (car symbol)))
-         (while lst
-           (puthash (pop lst)
-                    (setq count (1+ count))
-                    (cdr symbol)))
-         (maphash (lambda (key value)
-                    (push (cons value key) lst))
-                  (cdr symbol))
-         (clrhash (cdr symbol))
-         (set (car symbol) (mapcar #'cdr (sort lst #'car-less-than-car)))))))
+             (count 1)
+             (regexp (concat "\\("
+                             (mapconcat
+                              (lambda(x)
+                                (push (cons count x) groups)
+                                (setq count
+                                      (+ 1 count
+                                         (TeX-regexp-group-count (car x))))
+                                (car x))
+                              regexp-list "\\)\\|\\(")
+                             "\\)"))
+             syms
+             lst)
+        (setq count 0)
+        (goto-char (if end (min end (point-max)) (point-max)))
+        (while (re-search-backward regexp beg t)
+          (let* ((entry (cdr (TeX-member nil groups
+                                         (lambda (_a b)
+                                           (match-beginning (car b))))))
+                 (symbol (nth 2 entry))
+                 (match (nth 1 entry)))
+            (unless (TeX-in-comment)
+              (looking-at (nth 0 entry))
+              (if (fboundp symbol)
+                  (funcall symbol match)
+                (puthash (if (listp match)
+                             (mapcar #'TeX-match-buffer match)
+                           (TeX-match-buffer match))
+                         (setq count (1- count))
+                         (cdr (or (assq symbol syms)
+                                  (car (push
+                                        (cons symbol
+                                              (make-hash-table :test 'equal))
+                                        syms)))))))))
+        (setq count 0)
+        (dolist (symbol syms)
+          (setq lst (symbol-value (car symbol)))
+          (while lst
+            (puthash (pop lst)
+                     (setq count (1+ count))
+                     (cdr symbol)))
+          (maphash (lambda (key value)
+                     (push (cons value key) lst))
+                   (cdr symbol))
+          (clrhash (cdr symbol))
+          (set (car symbol) (mapcar #'cdr (sort lst #'car-less-than-car)))))))
 
 (defun TeX-auto-parse ()
   "Parse TeX information in current buffer.
@@ -4287,12 +4287,12 @@ functions in `TeX-auto-cleanup-hook' after parsing."
 
     (save-excursion
       (and (> TeX-auto-x-parse-length TeX-auto-parse-length)
-          (> (point-max) TeX-auto-parse-length)
-          (TeX-auto-parse-region TeX-auto-x-regexp-list
-                                 TeX-auto-parse-length
-                                 TeX-auto-x-parse-length))
+           (> (point-max) TeX-auto-parse-length)
+           (TeX-auto-parse-region TeX-auto-x-regexp-list
+                                  TeX-auto-parse-length
+                                  TeX-auto-x-parse-length))
       (TeX-auto-parse-region TeX-auto-regexp-list
-                            nil TeX-auto-parse-length))
+                             nil TeX-auto-parse-length))
 
     ;; Cleanup ignored symbols.
 
@@ -4302,9 +4302,9 @@ functions in `TeX-auto-cleanup-hook' after parsing."
       (setq TeX-auto-symbol (cdr TeX-auto-symbol)))
     (let ((list TeX-auto-symbol))
       (while (and list (cdr list))
-       (if (member (car (cdr list)) TeX-auto-ignore)
-           (setcdr list (cdr (cdr list)))
-         (setq list (cdr list)))))
+        (if (member (car (cdr list)) TeX-auto-ignore)
+            (setcdr list (cdr (cdr list)))
+          (setq list (cdr list)))))
 
     (run-hooks 'TeX-auto-cleanup-hook)))
 
@@ -4318,16 +4318,16 @@ functions in `TeX-auto-cleanup-hook' after parsing."
   "Add MATCH to TeX-auto-symbols.
 Check for potential LaTeX environments."
   (let ((symbol (if (listp match)
-                   (mapcar 'TeX-match-buffer match)
-                 (TeX-match-buffer match))))
+                    (mapcar 'TeX-match-buffer match)
+                  (TeX-match-buffer match))))
     (if (and (stringp symbol)
-            (string-match "^end\\(.+\\)$" symbol))
-       (add-to-list 'LaTeX-auto-end-symbol
-                    (substring symbol (match-beginning 1) (match-end 1)))
+             (string-match "^end\\(.+\\)$" symbol))
+        (add-to-list 'LaTeX-auto-end-symbol
+                     (substring symbol (match-beginning 1) (match-end 1)))
       (if (listp symbol)
-         (dolist (elt symbol)
-           (add-to-list 'TeX-auto-symbol elt))
-       (add-to-list 'TeX-auto-symbol symbol)))))
+          (dolist (elt symbol)
+            (add-to-list 'TeX-auto-symbol elt))
+        (add-to-list 'TeX-auto-symbol symbol)))))
 
 
 ;;; File Extensions
@@ -4401,9 +4401,9 @@ If EXTENSIONS is not specified or nil, the value of
       (setq extensions TeX-file-extensions))
 
   (let ((regexp (concat "\\.\\("
-                       (mapconcat 'identity extensions "\\|")
-                       "\\)$"))
-       (case-fold-search t))
+                        (mapconcat 'identity extensions "\\|")
+                        "\\)$"))
+        (case-fold-search t))
     (string-match regexp file)))
 
 (defun TeX-strip-extension (&optional string extensions nodir nostrip)
@@ -4423,15 +4423,15 @@ EXTENSIONS defaults to `TeX-file-extensions'."
       (setq extensions TeX-file-extensions))
 
   (let* ((strip (if (and (not nostrip)
-                        (TeX-match-extension string extensions))
-                   (substring string 0 (match-beginning 0))
-                 string))
-        (dir (expand-file-name (or (file-name-directory strip) "./"))))
+                         (TeX-match-extension string extensions))
+                    (substring string 0 (match-beginning 0))
+                  string))
+         (dir (expand-file-name (or (file-name-directory strip) "./"))))
     (if (or (eq nodir t)
-           (string-equal dir (expand-file-name "./"))
-           (member dir (mapcar #'file-name-as-directory TeX-macro-global))
-           (member dir (mapcar #'file-name-as-directory TeX-macro-private)))
-       (file-name-nondirectory strip)
+            (string-equal dir (expand-file-name "./"))
+            (member dir (mapcar #'file-name-as-directory TeX-macro-global))
+            (member dir (mapcar #'file-name-as-directory TeX-macro-private)))
+        (file-name-nondirectory strip)
       strip)))
 
 
@@ -4441,7 +4441,7 @@ EXTENSIONS defaults to `TeX-file-extensions'."
   "Return a list of available TeX tree roots."
   (let (list)
     (dolist (dir (TeX-tree-expand '("$TEXMFHOME" "$TEXMFMAIN" "$TEXMFLOCAL"
-                                   "$TEXMFDIST")
+                                    "$TEXMFDIST")
                                   "latex"))
       (when (file-readable-p dir)
         (cl-pushnew dir list :test #'equal)))
@@ -4463,26 +4463,26 @@ nil.  If NODIR is non-nil, remove directory part.  If 
STRIP is
 non-nil, remove file extension."
   (when TeX-kpathsea-path-delimiter
     (let ((dirs (if (eq scope 'local)
-                   '("./")
-                 (TeX-tree-expand (list var) nil)))
-         result)
+                    '("./")
+                  (TeX-tree-expand (list var) nil)))
+          result)
       (if (eq scope 'global)
-         (setq dirs (delete "./" dirs)))
+          (setq dirs (delete "./" dirs)))
       (setq extensions (concat "\\.\\(?:"
-                              (mapconcat #'identity extensions "\\|")
-                              "\\)\\'")
-           result (apply #'append (mapcar (lambda (x)
-                                            (when (file-readable-p x)
-                                              (directory-files
-                                               x (not nodir) extensions t)))
-                                          dirs)))
+                               (mapconcat #'identity extensions "\\|")
+                               "\\)\\'")
+            result (apply #'append (mapcar (lambda (x)
+                                             (when (file-readable-p x)
+                                               (directory-files
+                                                x (not nodir) extensions t)))
+                                           dirs)))
       (if strip
-         (mapcar (lambda (x)
-                   (if (string-match extensions x)
-                       (substring x 0 (match-beginning 0))
-                     x))
-                 result)
-       result))))
+          (mapcar (lambda (x)
+                    (if (string-match extensions x)
+                        (substring x 0 (match-beginning 0))
+                      x))
+                  result)
+        result))))
 
 (defun TeX-search-files (&optional directories extensions nodir strip)
   "Return a list of all reachable files in DIRECTORIES ending with EXTENSIONS.
@@ -4496,34 +4496,34 @@ If optional argument EXTENSIONS is not set, use 
`TeX-file-extensions'"
   (when (null directories)
     (setq directories (cons "./" (append TeX-macro-private TeX-macro-global))))
   (let (match
-       (TeX-file-recurse (cond ((symbolp TeX-file-recurse)
-                                TeX-file-recurse)
-                               ((zerop TeX-file-recurse)
-                                nil)
-                               ((1- TeX-file-recurse)))))
+        (TeX-file-recurse (cond ((symbolp TeX-file-recurse)
+                                 TeX-file-recurse)
+                                ((zerop TeX-file-recurse)
+                                 nil)
+                                ((1- TeX-file-recurse)))))
     (while directories
       (let* ((directory (car directories))
-            (content (and directory
-                          (file-readable-p directory)
-                          (file-directory-p directory)
-                          (directory-files directory))))
-       (setq directories (cdr directories))
-       (while content
-         (let ((file (concat directory (car content))))
-           (setq content (cdr content))
-           (cond ((string-match TeX-ignore-file file))
-                 ((not (file-readable-p file)))
-                 ((file-directory-p file)
-                  (if TeX-file-recurse
-                      (setq match
-                            (append match
-                                    (TeX-search-files
-                                     (list (file-name-as-directory file))
-                                     extensions nodir strip)))))
-                 ((TeX-match-extension file extensions)
-                  (setq match (cons (TeX-strip-extension
-                                     file extensions nodir (not strip))
-                                    match))))))))
+             (content (and directory
+                           (file-readable-p directory)
+                           (file-directory-p directory)
+                           (directory-files directory))))
+        (setq directories (cdr directories))
+        (while content
+          (let ((file (concat directory (car content))))
+            (setq content (cdr content))
+            (cond ((string-match TeX-ignore-file file))
+                  ((not (file-readable-p file)))
+                  ((file-directory-p file)
+                   (if TeX-file-recurse
+                       (setq match
+                             (append match
+                                     (TeX-search-files
+                                      (list (file-name-as-directory file))
+                                      extensions nodir strip)))))
+                  ((TeX-match-extension file extensions)
+                   (setq match (cons (TeX-strip-extension
+                                      file extensions nodir (not strip))
+                                     match))))))))
     match))
 
 ;; The variables `TeX-macro-private' and `TeX-macro-global' are not
@@ -4565,29 +4565,29 @@ If optional argument NODIR is non-nil, remove directory 
part.
 
 If optional argument STRIP is non-nil, remove file extension."
   (let* ((gc-cons-threshold 10000000)
-        (spec (assq filetype TeX-search-files-type-alist))
-        (kpse-var (nth 1 spec))
-        (rawdirs (nth 2 spec))
-        (exts (nth 3 spec))
-        expdirs dirs local-files)
+         (spec (assq filetype TeX-search-files-type-alist))
+         (kpse-var (nth 1 spec))
+         (rawdirs (nth 2 spec))
+         (exts (nth 3 spec))
+         expdirs dirs local-files)
     (setq exts (if (symbolp exts) (eval exts) exts))
     (or (TeX-search-files-kpathsea kpse-var exts scope nodir strip)
-       (progn
-         (unless (eq scope 'global)
-           (setq local-files
-                 (let ((TeX-file-recurse nil))
-                   (TeX-search-files '("./") exts nodir strip))))
-         (if (eq scope 'local)
-             local-files
-           (if (null TeX-tree-roots)
-               (error "No TeX trees available; configure `TeX-tree-roots'")
-             ;; Expand variables.
+        (progn
+          (unless (eq scope 'global)
+            (setq local-files
+                  (let ((TeX-file-recurse nil))
+                    (TeX-search-files '("./") exts nodir strip))))
+          (if (eq scope 'local)
+              local-files
+            (if (null TeX-tree-roots)
+                (error "No TeX trees available; configure `TeX-tree-roots'")
+              ;; Expand variables.
               (setq expdirs
-                   ;; Don't use `delete-dups' instead of
-                   ;; `TeX-delete-duplicate-strings' here.
-                   ;; Otherwise, when the last element of `rawdirs'
-                   ;; is a variable, its value might be truncated as
-                   ;; side effect.
+                    ;; Don't use `delete-dups' instead of
+                    ;; `TeX-delete-duplicate-strings' here.
+                    ;; Otherwise, when the last element of `rawdirs'
+                    ;; is a variable, its value might be truncated as
+                    ;; side effect.
                     (TeX-delete-duplicate-strings
                      (apply #'append
                             (mapcar (lambda (rawdir)
@@ -4595,16 +4595,16 @@ If optional argument STRIP is non-nil, remove file 
extension."
                                           (symbol-value rawdir)
                                         (list rawdir)))
                                     rawdirs))))
-             ;; Assumption: Either all paths are absolute or all are relative.
-             (if (file-name-absolute-p (car expdirs))
-                 (setq dirs expdirs)
-               ;; Append relative TDS subdirs to all TeX tree roots.
-               (dolist (root TeX-tree-roots)
-                 (dolist (dir expdirs)
+              ;; Assumption: Either all paths are absolute or all are relative.
+              (if (file-name-absolute-p (car expdirs))
+                  (setq dirs expdirs)
+                ;; Append relative TDS subdirs to all TeX tree roots.
+                (dolist (root TeX-tree-roots)
+                  (dolist (dir expdirs)
                     (let ((dir (expand-file-name dir root)))
                       (unless (member dir dirs)
                         (setq dirs (append dirs (list dir)))))))))
-           (append local-files (TeX-search-files dirs exts nodir strip)))))))
+            (append local-files (TeX-search-files dirs exts nodir strip)))))))
 
 ;;; Narrowing
 
@@ -4614,15 +4614,15 @@ If optional argument STRIP is non-nil, remove file 
extension."
   (save-excursion
     (widen)
     (let ((opoint (point))
-         beg end)
+          beg end)
       (if (null (search-backward "{" nil t))
-         (message "Nothing to be narrowed here.")
-       (setq beg (point))
-       (forward-sexp)
-       (setq end (point))
-       (if (< end opoint)
-           (message "Nothing to be narrowed here.")
-         (narrow-to-region beg end))))))
+          (message "Nothing to be narrowed here.")
+        (setq beg (point))
+        (forward-sexp)
+        (setq end (point))
+        (if (< end opoint)
+            (message "Nothing to be narrowed here.")
+          (narrow-to-region beg end))))))
 (put 'TeX-narrow-to-group 'disabled t)
 
 ;;; Utilities
@@ -4647,16 +4647,16 @@ Return nil if ELT is not a member of LIST."
   (catch 'found
     (dolist (elt elts)
       (when (member elt list)
-       (throw 'found t)))))
+        (throw 'found t)))))
 
 (defun TeX-assoc (key list)
   "Return non-nil if KEY is `equal' to the car of an element of LIST.
 Like assoc, except case insensitive."
   (let ((case-fold-search t))
     (TeX-member key list
-               (lambda (a b)
-                 (string-match (concat "^" (regexp-quote a) "$")
-                               (car b))))))
+                (lambda (a b)
+                  (string-match (concat "^" (regexp-quote a) "$")
+                                (car b))))))
 
 (defun TeX-match-buffer (n)
   "Return the substring corresponding to the N'th match.
@@ -4672,9 +4672,9 @@ to look backward for."
   (let ((pos (point)))
     (save-excursion
       (and (re-search-backward regexp
-                              (if limit (max (point-min) (- (point) limit)))
-                              t)
-          (eq (match-end 0) pos)))))
+                               (if limit (max (point-min) (- (point) limit)))
+                               t)
+           (eq (match-end 0) pos)))))
 
 (defun TeX-current-line ()
   "The current line number."
@@ -4701,18 +4701,18 @@ element to ALIST-VAR."
   ;; Loop over all elements of NEW-ALIST.
   (while new-alist
     (let* ((new-element (car new-alist))
-          ;; Get the element of ALIST-VAR with the same key of the current
-          ;; element of NEW-ALIST, if any.
-          (old-element (assoc (car new-element) (symbol-value alist-var))))
+           ;; Get the element of ALIST-VAR with the same key of the current
+           ;; element of NEW-ALIST, if any.
+           (old-element (assoc (car new-element) (symbol-value alist-var))))
       (if old-element
-         (progn
-           (set alist-var (delete old-element (symbol-value alist-var)))
-           ;; Append to `old-element' the values of the current element of
-           ;; NEW-ALIST.
-           (mapc (lambda (elt) (add-to-list 'old-element elt t))
-                 (cdr new-element))
-           (set alist-var (add-to-list alist-var old-element t)))
-       (add-to-list alist-var new-element t)))
+          (progn
+            (set alist-var (delete old-element (symbol-value alist-var)))
+            ;; Append to `old-element' the values of the current element of
+            ;; NEW-ALIST.
+            (mapc (lambda (elt) (add-to-list 'old-element elt t))
+                  (cdr new-element))
+            (set alist-var (add-to-list alist-var old-element t)))
+        (add-to-list alist-var new-element t)))
     ;; Next element of NEW-ALIST.
     (setq new-alist (cdr new-alist))))
 
@@ -4725,15 +4725,15 @@ element to ALIST-VAR."
 
 (progn ; Define TeX-mode-syntax-table.
   (modify-syntax-entry (string-to-char TeX-esc)
-                      "\\" TeX-mode-syntax-table)
+                       "\\" TeX-mode-syntax-table)
   (modify-syntax-entry ?\f ">"  TeX-mode-syntax-table)
   (modify-syntax-entry ?\n ">"  TeX-mode-syntax-table)
   (modify-syntax-entry (string-to-char TeX-grop)
-                      (concat "(" TeX-grcl)
-                      TeX-mode-syntax-table)
+                       (concat "(" TeX-grcl)
+                       TeX-mode-syntax-table)
   (modify-syntax-entry (string-to-char TeX-grcl)
-                      (concat ")" TeX-grop)
-                      TeX-mode-syntax-table)
+                       (concat ")" TeX-grop)
+                       TeX-mode-syntax-table)
   (modify-syntax-entry ?%  "<"  TeX-mode-syntax-table)
   (modify-syntax-entry ?\" "."  TeX-mode-syntax-table)
   (modify-syntax-entry ?&  "."  TeX-mode-syntax-table)
@@ -4782,39 +4782,39 @@ element to ALIST-VAR."
 (defun TeX-command-menu-print (printer command name)
   "Print on PRINTER using method COMMAND to run NAME."
   (let ((TeX-printer-default (unless (string= printer "Other") printer))
-       (TeX-printer-list (and (string= printer "Other") TeX-printer-list))
-       (TeX-print-command command)
-       (TeX-queue-command command))
+        (TeX-printer-list (and (string= printer "Other") TeX-printer-list))
+        (TeX-print-command command)
+        (TeX-queue-command command))
     (TeX-command-menu name)))
 
 (defun TeX-command-menu-printer-entry (entry lookup command name)
   "Return `TeX-printer-list' ENTRY as a menu item."
   (vector (nth 0 entry)
-         (list 'TeX-command-menu-print
-               (nth 0 entry)
-               (or (nth lookup entry) command)
-               name)))
+          (list 'TeX-command-menu-print
+                (nth 0 entry)
+                (or (nth lookup entry) command)
+                name)))
 
 (defun TeX-command-menu-entry (entry)
   "Return `TeX-command-list' ENTRY as a menu item."
   (let ((name (car entry)))
     (cond ((and (string-equal name TeX-command-Print)
-               TeX-printer-list)
-          (cons TeX-command-Print
-                (mapcar (lambda (entry)
-                          (TeX-command-menu-printer-entry
-                           entry 1 TeX-print-command name))
-                        (append TeX-printer-list '(("Other"))))))
-         ((and (string-equal name TeX-command-Queue)
-               TeX-printer-list)
-          (cons TeX-command-Queue
-                (mapcar (lambda (entry)
-                          (TeX-command-menu-printer-entry
-                           entry 2 TeX-queue-command name))
-                        (append TeX-printer-list '(("Other"))))))
-         (t
-          (vconcat `(,name (TeX-command-menu ,name))
-                   (nthcdr 5 entry))))))
+                TeX-printer-list)
+           (cons TeX-command-Print
+                 (mapcar (lambda (entry)
+                           (TeX-command-menu-printer-entry
+                            entry 1 TeX-print-command name))
+                         (append TeX-printer-list '(("Other"))))))
+          ((and (string-equal name TeX-command-Queue)
+                TeX-printer-list)
+           (cons TeX-command-Queue
+                 (mapcar (lambda (entry)
+                           (TeX-command-menu-printer-entry
+                            entry 2 TeX-queue-command name))
+                         (append TeX-printer-list '(("Other"))))))
+          (t
+           (vconcat `(,name (TeX-command-menu ,name))
+                    (nthcdr 5 entry))))))
 
 (defconst TeX-command-menu-name "Command"
   "Name to be displayed for the command menu in all modes defined by AUCTeX.")
@@ -4837,9 +4837,9 @@ affected.  See `TeX-electric-macro' for detail."
   "Function to be called upon pressing `RET'."
   :group 'TeX-indentation
   :type '(choice (const newline)
-                (const newline-and-indent)
-                (const reindent-then-newline-and-indent)
-                (sexp :tag "Other")))
+                 (const newline-and-indent)
+                 (const reindent-then-newline-and-indent)
+                 (sexp :tag "Other")))
 
 (defun TeX-insert-backslash (arg)
   "Either insert typed key ARG times or call `TeX-electric-macro'.
@@ -4951,14 +4951,14 @@ Brace insertion is only done if point is in a math 
construct and
        :help "Commands in this menu work on the region"]
      [ "Fix the Region" TeX-pin-region
        :active (or (if prefix-arg
-                      (<= (prefix-numeric-value prefix-arg) 0)
-                    (and (boundp 'TeX-command-region-begin)
-                         (markerp TeX-command-region-begin)))
-                  mark-active)
+                       (<= (prefix-numeric-value prefix-arg) 0)
+                     (and (boundp 'TeX-command-region-begin)
+                          (markerp TeX-command-region-begin)))
+                   mark-active)
        ;;:visible (eq TeX-command-current 'TeX-command-region)
        :style toggle
        :selected (and (boundp 'TeX-command-region-begin)
-                     (markerp TeX-command-region-begin))
+                      (markerp TeX-command-region-begin))
        :help "Fix the region for \"Command on Region\""]
      "-"
      ["Recenter Output Buffer" TeX-recenter-output-buffer
@@ -4978,37 +4978,37 @@ Brace insertion is only done if point is in a math 
construct and
      "-"
      ("TeXing Options"
       ,@(mapcar (lambda (x)
-                 (let ((symbol (car x)) (name (nth 1 x)))
-                   `[ ,(format "Use %s engine" name) (TeX-engine-set ',symbol)
-                      :style radio :selected (eq TeX-engine ',symbol)
-                      :help ,(format "Use %s engine for compiling" name) ]))
-               (TeX-engine-alist))
+                  (let ((symbol (car x)) (name (nth 1 x)))
+                    `[ ,(format "Use %s engine" name) (TeX-engine-set ',symbol)
+                       :style radio :selected (eq TeX-engine ',symbol)
+                       :help ,(format "Use %s engine for compiling" name) ]))
+                (TeX-engine-alist))
       "-"
       [ "Generate PDF" TeX-PDF-mode
-       :style toggle :selected TeX-PDF-mode
-       :active (not (eq TeX-engine 'omega))
-       :help "Use PDFTeX to generate PDF instead of DVI"]
+        :style toggle :selected TeX-PDF-mode
+        :active (not (eq TeX-engine 'omega))
+        :help "Use PDFTeX to generate PDF instead of DVI"]
       ( "PDF from DVI"
-       :visible TeX-PDF-mode
-       :help "Compile to DVI with (La)TeX and convert to PDF"
-       [ "Compile directly to PDF"
-         (lambda () (interactive) (setq TeX-PDF-from-DVI nil))
-         :style radio :selected (null (TeX-PDF-from-DVI))
-         :help "Compile directly to PDF without intermediate conversions"]
-       [ "dvips + ps2pdf"
-         (lambda () (interactive) (setq TeX-PDF-from-DVI "Dvips"))
-         :style radio :selected (equal (TeX-PDF-from-DVI) "Dvips")
-         :help "Convert DVI to PDF with dvips + ps2pdf sequence"]
-       [ "dvipdfmx"
-         (lambda () (interactive) (setq TeX-PDF-from-DVI "Dvipdfmx"))
-         :style radio :selected (equal (TeX-PDF-from-DVI) "Dvipdfmx")
-         :help "Convert DVI to PDF with dvipdfmx"])
+        :visible TeX-PDF-mode
+        :help "Compile to DVI with (La)TeX and convert to PDF"
+        [ "Compile directly to PDF"
+          (lambda () (interactive) (setq TeX-PDF-from-DVI nil))
+          :style radio :selected (null (TeX-PDF-from-DVI))
+          :help "Compile directly to PDF without intermediate conversions"]
+        [ "dvips + ps2pdf"
+          (lambda () (interactive) (setq TeX-PDF-from-DVI "Dvips"))
+          :style radio :selected (equal (TeX-PDF-from-DVI) "Dvips")
+          :help "Convert DVI to PDF with dvips + ps2pdf sequence"]
+        [ "dvipdfmx"
+          (lambda () (interactive) (setq TeX-PDF-from-DVI "Dvipdfmx"))
+          :style radio :selected (equal (TeX-PDF-from-DVI) "Dvipdfmx")
+          :help "Convert DVI to PDF with dvipdfmx"])
       [ "Run Interactively" TeX-interactive-mode
-       :style toggle :selected TeX-interactive-mode :keys "C-c C-t C-i"
-       :help "Stop on errors in a TeX run"]
+        :style toggle :selected TeX-interactive-mode :keys "C-c C-t C-i"
+        :help "Stop on errors in a TeX run"]
       [ "Correlate I/O" TeX-source-correlate-mode
-       :style toggle :selected TeX-source-correlate-mode
-       :help "Enable forward and inverse search in the previewer"]
+        :style toggle :selected TeX-source-correlate-mode
+        :help "Enable forward and inverse search in the previewer"]
       ["Debug Bad Boxes" TeX-toggle-debug-bad-boxes
        :style toggle :selected TeX-debug-bad-boxes :keys "C-c C-t C-b"
        :help "Make \"Next Error\" show overfull and underfull boxes"]
@@ -5018,20 +5018,20 @@ Brace insertion is only done if point is in a math 
construct and
      ["Compile and view" TeX-command-run-all
       :help "Compile the document until it is ready and open the viewer"])
    (delq nil
-        (mapcar #'TeX-command-menu-entry
-                (TeX-mode-specific-command-list mode)))))
+         (mapcar #'TeX-command-menu-entry
+                 (TeX-mode-specific-command-list mode)))))
 
 (defun TeX-mode-specific-command-list (mode)
   "Return the list of commands available in the given MODE."
   (let ((full-list TeX-command-list)
-       out-list
-       entry)
+        out-list
+        entry)
     (while (setq entry (pop full-list))
       ;; `(nth 4 entry)' may be either an atom in case of which the
       ;; entry should be present in any mode or a list of major modes.
       (if (or (atom (nth 4 entry))
-             (memq mode (nth 4 entry)))
-         (push entry out-list)))
+              (memq mode (nth 4 entry)))
+          (push entry out-list)))
     (nreverse out-list)))
 
 (defvar TeX-fold-menu
@@ -5104,17 +5104,17 @@ Brace insertion is only done if point is in a math 
construct and
       :help "Open the customization buffer for AUCTeX"]
      ["Extend this Menu"
       (progn
-       (easy-menu-add-item
-        nil
-        ;; Ugly hack because docTeX mode uses the LaTeX menu.
-        (list (if (eq major-mode 'doctex-mode) "LaTeX" TeX-base-mode-name))
-        (or TeX-customization-menu
-            (setq TeX-customization-menu
-                  (customize-menu-create 'AUCTeX "Customize AUCTeX")))))
+        (easy-menu-add-item
+         nil
+         ;; Ugly hack because docTeX mode uses the LaTeX menu.
+         (list (if (eq major-mode 'doctex-mode) "LaTeX" TeX-base-mode-name))
+         (or TeX-customization-menu
+             (setq TeX-customization-menu
+                   (customize-menu-create 'AUCTeX "Customize AUCTeX")))))
       :help "Make this menu a full-blown customization menu"])
     ["Report AUCTeX Bug" TeX-submit-bug-report
      :help ,(format "Problems with AUCTeX %s? Mail us!"
-                   AUCTeX-version)]))
+                    AUCTeX-version)]))
 
 
 ;;; Verbatim constructs
@@ -5147,14 +5147,14 @@ whitespace after the comment starter or any character 
before it.")
     ;; Find first comment line
     (beginning-of-line)
     (while (and (looking-at (concat "^[ \t]*" TeX-comment-start-regexp))
-               (not (bobp)))
+                (not (bobp)))
       (forward-line -1))
     (let ((beg (point)))
       (forward-line 1)
       ;; Find last comment line
       (while (and (looking-at (concat "^[ \t]*" TeX-comment-start-regexp))
-                 (not (eobp)))
-       (forward-line 1))
+                  (not (eobp)))
+        (forward-line 1))
       ;; Uncomment region
       (uncomment-region beg (point)))))
 
@@ -5171,22 +5171,22 @@ whitespace after the comment starter or any character 
before it.")
       ;; paragraph outside the visible window which might get
       ;; commented without the user noticing.
       (unless (looking-at "^[ \t]*$")
-       (mark-paragraph)
-       (comment-region (point) (mark))))))
+        (mark-paragraph)
+        (comment-region (point) (mark))))))
 
 (defun TeX-in-comment ()
   "Return non-nil if point is in a comment."
   (if (or (bolp)
-         (null comment-start-skip)
-         (eq (preceding-char) ?\r))
+          (null comment-start-skip)
+          (eq (preceding-char) ?\r))
       nil
     (save-excursion
       (save-match-data
-       (let ((pos (point)))
-         (beginning-of-line)
-         (and (or (looking-at comment-start-skip)
-                  (re-search-forward comment-start-skip pos t))
-              (not (TeX-verbatim-p))))))))
+        (let ((pos (point)))
+          (beginning-of-line)
+          (and (or (looking-at comment-start-skip)
+                   (re-search-forward comment-start-skip pos t))
+               (not (TeX-verbatim-p))))))))
 
 (defun TeX-in-commented-line ()
   "Return non-nil if point is in a line consisting only of a comment.
@@ -5199,8 +5199,8 @@ whitespace as well."
     (forward-line 0)
     (skip-chars-forward " \t")
     (string= (buffer-substring-no-properties
-             (point) (min (point-max) (+ (point) (length comment-start))))
-            comment-start)))
+              (point) (min (point-max) (+ (point) (length comment-start))))
+             comment-start)))
 
 (defun TeX-in-line-comment ()
   "Return non-nil if point is in a line comment.
@@ -5209,8 +5209,8 @@ no whitespace before the comment sign."
   (save-excursion
     (forward-line 0)
     (string= (buffer-substring-no-properties
-             (point) (min (point-max) (+ (point) (length comment-start))))
-            comment-start)))
+              (point) (min (point-max) (+ (point) (length comment-start))))
+             comment-start)))
 
 (defun TeX-comment-prefix ()
   "Return the comment prefix of the current line.
@@ -5220,7 +5220,7 @@ the beginning of the line, return nil."
     (beginning-of-line)
     (save-match-data
       (when (looking-at (concat "\\([ \t]*" TeX-comment-start-regexp "+\\)+"))
-       (match-string 0)))))
+        (match-string 0)))))
 
 (defun TeX-forward-comment-skip (&optional count limit)
   "Move forward to the next comment skip.
@@ -5234,40 +5234,40 @@ not move point further than this value."
   (unless limit (setq limit (point-max)))
   (dotimes (_ (abs count))
     (if (< count 0)
-       (forward-line -1)
+        (forward-line -1)
       (beginning-of-line))
     (let ((prefix (when (looking-at (concat "\\([ \t]*"
-                                           TeX-comment-start-regexp "+\\)+"))
-                   (buffer-substring (+ (line-beginning-position)
-                                        (current-indentation))
-                                     (match-end 0)))))
+                                            TeX-comment-start-regexp "+\\)+"))
+                    (buffer-substring (+ (line-beginning-position)
+                                         (current-indentation))
+                                      (match-end 0)))))
       (while (save-excursion
-              (and (if (> count 0)
-                       (<= (point) limit)
-                     (>= (point) limit))
-                   (zerop (if (> count 0)
-                              (forward-line 1)
-                            (forward-line -1)))
-                   (if prefix
-                       (if (looking-at (concat "\\([ \t]*"
-                                               TeX-comment-start-regexp
-                                               "+\\)+"))
-                           ;; If the preceding line is a commented line
-                           ;; as well, check if the prefixes are
-                           ;; identical.
-                           (string= prefix
-                                    (buffer-substring
-                                     (+ (line-beginning-position)
-                                        (current-indentation))
-                                     (match-end 0)))
-                         nil)
-                     (not (looking-at (concat "[ \t]*"
-                                              TeX-comment-start-regexp))))))
-       (if (> count 0)
-           (forward-line 1)
-         (forward-line -1)))
+               (and (if (> count 0)
+                        (<= (point) limit)
+                      (>= (point) limit))
+                    (zerop (if (> count 0)
+                               (forward-line 1)
+                             (forward-line -1)))
+                    (if prefix
+                        (if (looking-at (concat "\\([ \t]*"
+                                                TeX-comment-start-regexp
+                                                "+\\)+"))
+                            ;; If the preceding line is a commented line
+                            ;; as well, check if the prefixes are
+                            ;; identical.
+                            (string= prefix
+                                     (buffer-substring
+                                      (+ (line-beginning-position)
+                                         (current-indentation))
+                                      (match-end 0)))
+                          nil)
+                      (not (looking-at (concat "[ \t]*"
+                                               TeX-comment-start-regexp))))))
+        (if (> count 0)
+            (forward-line 1)
+          (forward-line -1)))
       (if (> count 0)
-         (forward-line 1)))))
+          (forward-line 1)))))
 
 (defun TeX-backward-comment-skip (&optional count limit)
   "Move backward to the next comment skip.
@@ -5314,25 +5314,25 @@ regardless of its data type."
       (current-column)
     (skip-chars-backward " \t")
     (max (if (bolp) 0 (1+ (current-column)))
-        comment-column)))
+         comment-column)))
 
 (defun TeX-brace-count-line ()
   "Count number of open/closed braces."
   (save-excursion
     (let ((count 0) (limit (line-end-position)) char)
       (while (progn
-              (skip-chars-forward "^{}\\\\" limit)
-              (when (and (< (point) limit) (not (TeX-in-comment)))
-                (setq char (char-after))
-                (forward-char)
-                (cond ((eq char ?\{)
-                       (setq count (+ count TeX-brace-indent-level)))
-                      ((eq char ?\})
-                       (setq count (- count TeX-brace-indent-level)))
-                      ((eq char ?\\)
-                       (when (< (point) limit)
-                         (forward-char)
-                         t))))))
+               (skip-chars-forward "^{}\\\\" limit)
+               (when (and (< (point) limit) (not (TeX-in-comment)))
+                 (setq char (char-after))
+                 (forward-char)
+                 (cond ((eq char ?\{)
+                        (setq count (+ count TeX-brace-indent-level)))
+                       ((eq char ?\})
+                        (setq count (- count TeX-brace-indent-level)))
+                       ((eq char ?\\)
+                        (when (< (point) limit)
+                          (forward-char)
+                          t))))))
       count)))
 
 ;;; Navigation
@@ -5358,9 +5358,9 @@ characters ?{, ?}, ?[, ?], ?\(, ?\), ?<, and ?> are 
supported.
 The syntax of each of these characters not specified will be
 reset to \" \"."
   (let ((char-syntax-alist '((?\{ . "(}") (?\} . "){")
-                            (?\[ . "(]") (?\] . ")[")
-                            (?\( . "()") (?\) . ")(")
-                            (?\< . "(>") (?\> . ")<"))))
+                             (?\[ . "(]") (?\] . ")[")
+                             (?\( . "()") (?\) . ")(")
+                             (?\< . "(>") (?\> . ")<"))))
     ;; Clean entries possibly set before.
     (modify-syntax-entry ?\\ " " TeX-search-syntax-table)
     (modify-syntax-entry ?@ " " TeX-search-syntax-table)
@@ -5377,7 +5377,7 @@ reset to \" \"."
     (dolist (elt args)
       (unless (assoc elt char-syntax-alist) (error "Char not supported"))
       (modify-syntax-entry elt (cdr (assoc elt char-syntax-alist))
-                          TeX-search-syntax-table))
+                           TeX-search-syntax-table))
     ;; Return the syntax table.
     TeX-search-syntax-table))
 
@@ -5388,20 +5388,20 @@ Default is 1.  If COUNT is negative, it searches 
backwards.  With
 optional DEPTH>=1, find that outer level.  If LIMIT is non-nil,
 do not search further than this position in the buffer."
   (let ((count (if count
-                  (if (= count 0) (error "COUNT has to be <> 0") count)
-                1))
-       (depth (if depth
-                  (if (< depth 1) (error "DEPTH has to be > 0") depth)
-                1)))
+                   (if (= count 0) (error "COUNT has to be <> 0") count)
+                 1))
+        (depth (if depth
+                   (if (< depth 1) (error "DEPTH has to be > 0") depth)
+                 1)))
     (save-restriction
       (when limit
-       (if (> count 0)
-           (narrow-to-region (point-min) limit)
-         (narrow-to-region limit (point-max))))
+        (if (> count 0)
+            (narrow-to-region (point-min) limit)
+          (narrow-to-region limit (point-max))))
       (with-syntax-table (TeX-search-syntax-table ?\{ ?\})
-       (condition-case nil
-           (scan-lists (point) count depth)
-         (error nil))))))
+        (condition-case nil
+            (scan-lists (point) count depth)
+          (error nil))))))
 
 (defun TeX-find-closing-brace (&optional depth limit)
   "Return the position of the closing brace in a TeX group.
@@ -5428,41 +5428,41 @@ considered part of the macro."
     (when lower-bound
       (narrow-to-region lower-bound (point-max)))
     (let ((orig-point (point))
-         start-point)
+          start-point)
       ;; Point is located directly at the start of a macro. (-!-\foo{bar})
       (when (and (eq (char-after) (aref TeX-esc 0))
-                (not (TeX-escaped-p)))
-       (setq start-point (point)))
+                 (not (TeX-escaped-p)))
+        (setq start-point (point)))
       ;; Point is located on a macro. (\fo-!-o{bar})
       (unless start-point
-       (save-excursion
-         (skip-chars-backward "A-Za-z@*")
-         (when (and (eq (char-before) (aref TeX-esc 0))
-                    (not (TeX-escaped-p (1- (point)))))
-           (setq start-point (1- (point))))))
+        (save-excursion
+          (skip-chars-backward "A-Za-z@*")
+          (when (and (eq (char-before) (aref TeX-esc 0))
+                     (not (TeX-escaped-p (1- (point)))))
+            (setq start-point (1- (point))))))
       ;; Point is located in the argument of a macro. (\foo{ba-!-r})
       (unless start-point
-       (save-excursion
-         (catch 'abort
-           (let ((parse-sexp-ignore-comments t))
-             (when (condition-case nil (progn (up-list) t) (error nil))
-               (while (progn
-                        (condition-case nil (backward-sexp)
-                          (error (throw 'abort nil)))
-                        (forward-comment -1)
-                        (and (memq (char-before) '(?\] ?\}))
-                             (not (TeX-escaped-p (1- (point)))))))
-               (skip-chars-backward "A-Za-z@*")
-               (when (and (eq (char-before) (aref TeX-esc 0))
-                          (not (TeX-escaped-p (1- (point)))))
-                 (setq start-point (1- (point)))))))))
+        (save-excursion
+          (catch 'abort
+            (let ((parse-sexp-ignore-comments t))
+              (when (condition-case nil (progn (up-list) t) (error nil))
+                (while (progn
+                         (condition-case nil (backward-sexp)
+                           (error (throw 'abort nil)))
+                         (forward-comment -1)
+                         (and (memq (char-before) '(?\] ?\}))
+                              (not (TeX-escaped-p (1- (point)))))))
+                (skip-chars-backward "A-Za-z@*")
+                (when (and (eq (char-before) (aref TeX-esc 0))
+                           (not (TeX-escaped-p (1- (point)))))
+                  (setq start-point (1- (point)))))))))
       ;; Search forward for the end of the macro.
       (when start-point
-       (save-excursion
-         (goto-char (TeX-find-macro-end-helper start-point))
-         (if (< orig-point (point))
-             (cons start-point (point))
-           nil))))))
+        (save-excursion
+          (goto-char (TeX-find-macro-end-helper start-point))
+          (if (< orig-point (point))
+              (cons start-point (point))
+            nil))))))
 
 (defun TeX-find-macro-end-helper (start)
   "Find the end of a macro given its START.
@@ -5472,41 +5472,41 @@ those will be considered part of it."
   (save-excursion
     (save-match-data
       (catch 'found
-       (goto-char (1+ start))
-       (if (zerop (skip-chars-forward "A-Za-z@"))
-           (forward-char)
-         (skip-chars-forward "*"))
-       (while (not (eobp))
-         (cond
-          ;; Skip over pairs of square brackets
-          ((or (looking-at "[ \t]*\n?\\(\\[\\)") ; Be conservative: Consider
-                                       ; only consecutive lines.
-               (and (looking-at (concat "[ \t]*" TeX-comment-start-regexp))
-                    (save-excursion
-                      (forward-line 1)
-                      (looking-at "[ \t]*\\(\\[\\)"))))
-           (goto-char (match-beginning 1))
-           (condition-case nil
-               (forward-sexp)
-             (scan-error (throw 'found (point)))))
-          ;; Skip over pairs of curly braces
-          ((or (looking-at "[ \t]*\n?{") ; Be conservative: Consider
-                                       ; only consecutive lines.
-               (and (looking-at (concat "[ \t]*" TeX-comment-start-regexp))
-                    (save-excursion
-                      (forward-line 1)
-                      (looking-at "[ \t]*{"))))
-           (goto-char (match-end 0))
-           (goto-char (or (TeX-find-closing-brace)
-                          ;; If we cannot find a regular end, use the
-                          ;; next whitespace.
-                          (save-excursion (skip-chars-forward "^ \t\n")
-                                          (point)))))
-          (t
-           (throw 'found (point)))))
-       ;; Make sure that this function does not return nil, even
-       ;; when the above `while' loop is totally skipped. (bug#35638)
-       (throw 'found (point))))))
+        (goto-char (1+ start))
+        (if (zerop (skip-chars-forward "A-Za-z@"))
+            (forward-char)
+          (skip-chars-forward "*"))
+        (while (not (eobp))
+          (cond
+           ;; Skip over pairs of square brackets
+           ((or (looking-at "[ \t]*\n?\\(\\[\\)") ; Be conservative: Consider
+                                        ; only consecutive lines.
+                (and (looking-at (concat "[ \t]*" TeX-comment-start-regexp))
+                     (save-excursion
+                       (forward-line 1)
+                       (looking-at "[ \t]*\\(\\[\\)"))))
+            (goto-char (match-beginning 1))
+            (condition-case nil
+                (forward-sexp)
+              (scan-error (throw 'found (point)))))
+           ;; Skip over pairs of curly braces
+           ((or (looking-at "[ \t]*\n?{") ; Be conservative: Consider
+                                        ; only consecutive lines.
+                (and (looking-at (concat "[ \t]*" TeX-comment-start-regexp))
+                     (save-excursion
+                       (forward-line 1)
+                       (looking-at "[ \t]*{"))))
+            (goto-char (match-end 0))
+            (goto-char (or (TeX-find-closing-brace)
+                           ;; If we cannot find a regular end, use the
+                           ;; next whitespace.
+                           (save-excursion (skip-chars-forward "^ \t\n")
+                                           (point)))))
+           (t
+            (throw 'found (point)))))
+        ;; Make sure that this function does not return nil, even
+        ;; when the above `while' loop is totally skipped. (bug#35638)
+        (throw 'found (point))))))
 
 (defun TeX-find-macro-start (&optional limit)
   "Return the start of a macro.
@@ -5552,7 +5552,7 @@ characters."
   (TeX-search-unescaped regexp 'forward t bound noerror))
 
 (defun TeX-search-unescaped (pattern
-                            &optional direction regexp-flag bound noerror)
+                             &optional direction regexp-flag bound noerror)
   "Search for unescaped PATTERN in a certain DIRECTION.
 DIRECTION can be indicated by the symbols 'forward and 'backward.
 If DIRECTION is omitted, a forward search is carried out.
@@ -5565,12 +5565,12 @@ throwing an error.
 A pattern is escaped, if it is preceded by an odd number of escape
 characters."
   (let ((search-fun (if (eq direction 'backward)
-                       (if regexp-flag 're-search-backward 'search-backward)
-                     (if regexp-flag 're-search-forward 'search-forward))))
+                        (if regexp-flag 're-search-backward 'search-backward)
+                      (if regexp-flag 're-search-forward 'search-forward))))
     (catch 'found
       (while (funcall search-fun pattern bound noerror)
-       (when (not (TeX-escaped-p (match-beginning 0)))
-         (throw 'found (point)))))))
+        (when (not (TeX-escaped-p (match-beginning 0)))
+          (throw 'found (point)))))))
 
 (defun TeX-escaped-p (&optional pos)
   "Return t if the character at position POS is escaped.
@@ -5586,10 +5586,10 @@ escape characters, such as \"\\\" in LaTeX."
   (let ((macro-start (TeX-find-macro-start)))
     (when macro-start
       (save-excursion
-       (goto-char macro-start)
-       (forward-char (length TeX-esc))
-       (buffer-substring-no-properties
-        (point) (progn (skip-chars-forward "@A-Za-z") (point)))))))
+        (goto-char macro-start)
+        (forward-char (length TeX-esc))
+        (buffer-substring-no-properties
+         (point) (progn (skip-chars-forward "@A-Za-z") (point)))))))
 
 (defvar TeX-search-forward-comment-start-function nil
   "Function to find the start of a comment.
@@ -5617,13 +5617,13 @@ the default implementation."
 ;;; Fonts
 
 (defcustom TeX-font-list '((?\C-b "{\\bf " "}")
-                          (?\C-c "{\\sc " "}")
-                          (?\C-e "{\\em " "\\/}")
-                          (?\C-i "{\\it " "\\/}")
-                          (?\C-r "{\\rm " "}")
-                          (?\C-s "{\\sl " "\\/}")
-                          (?\C-t "{\\tt " "}")
-                          (?\C-d "" "" t))
+                           (?\C-c "{\\sc " "}")
+                           (?\C-e "{\\em " "\\/}")
+                           (?\C-i "{\\it " "\\/}")
+                           (?\C-r "{\\rm " "}")
+                           (?\C-s "{\\sl " "\\/}")
+                           (?\C-t "{\\tt " "}")
+                           (?\C-d "" "" t))
   "List of fonts used by `TeX-font'.
 
 Each entry is a list.
@@ -5635,16 +5635,16 @@ suffix to be used in math mode.
 An optional fourth (or sixth) element means always replace if t."
   :group 'TeX-macro
   :type '(repeat
-          (group
-           :value (?\C-a "" "")
-           (character :tag "Key")
-           (string :tag "Prefix")
-           (string :tag "Suffix")
-           (option (group
-                    :inline t
-                    (string :tag "Math Prefix")
-                    (string :tag "Math Suffix")))
-           (option (sexp :format "Replace\n" :value t)))))
+           (group
+            :value (?\C-a "" "")
+            (character :tag "Key")
+            (string :tag "Prefix")
+            (string :tag "Suffix")
+            (option (group
+                     :inline t
+                     (string :tag "Math Prefix")
+                     (string :tag "Math Suffix")))
+            (option (sexp :format "Replace\n" :value t)))))
 
 (defvar TeX-font-replace-function 'TeX-font-replace
   "Determines the function which is called when a font should be replaced.")
@@ -5652,12 +5652,12 @@ An optional fourth (or sixth) element means always 
replace if t."
 (defun TeX-describe-font-entry (entry)
   "A textual description of an ENTRY in `TeX-font-list'."
   (concat (format "%16s  " (key-description (char-to-string (nth 0 entry))))
-         (if (or (eq t (nth 3 entry)) (eq t (nth 5 entry)))
-             "-- delete font"
-           (format "%14s %-3s %14s %-3s"
-                   (nth 1 entry) (nth 2 entry)
-                   (if (stringp (nth 3 entry)) (nth 3 entry) "")
-                   (if (stringp (nth 4 entry)) (nth 4 entry) "")))))
+          (if (or (eq t (nth 3 entry)) (eq t (nth 5 entry)))
+              "-- delete font"
+            (format "%14s %-3s %14s %-3s"
+                    (nth 1 entry) (nth 2 entry)
+                    (if (stringp (nth 3 entry)) (nth 3 entry) "")
+                    (if (stringp (nth 4 entry)) (nth 4 entry) "")))))
 
 (defun TeX-font (replace what)
   "Insert template for font change command.
@@ -5666,38 +5666,38 @@ to use, as specified by `TeX-font-list'."
   (interactive "*P\nc")
   (TeX-update-style)
   (let* ((entry (assoc what TeX-font-list))
-        (in-math (texmathp))
-        (before (nth 1 entry))
-        (after (nth 2 entry)))
+         (in-math (texmathp))
+         (before (nth 1 entry))
+         (after (nth 2 entry)))
     (setq replace (or replace (eq t (nth 3 entry)) (eq t (nth 5 entry))))
     (if (and in-math (stringp (nth 3 entry)))
-       (setq before (nth 3 entry)
-             after (nth 4 entry)))
+        (setq before (nth 3 entry)
+              after (nth 4 entry)))
     (cond ((null entry)
-          (let ((help (concat
-                       "Font list:   "
-                       "KEY        TEXTFONT           MATHFONT\n\n"
-                       (mapconcat 'TeX-describe-font-entry
-                                  TeX-font-list "\n"))))
-            (with-output-to-temp-buffer "*Help*"
-              (set-buffer "*Help*")
-              (insert help))))
-         (replace
-          (funcall TeX-font-replace-function before after))
-         ((TeX-active-mark)
-          (save-excursion
-            (cond ((> (mark) (point))
-                   (insert before)
-                   (goto-char (mark))
-                   (insert after))
-                  (t
-                   (insert after)
-                   (goto-char (mark))
-                   (insert before)))))
-         (t
-          (insert before)
-          (save-excursion
-            (insert after))))))
+           (let ((help (concat
+                        "Font list:   "
+                        "KEY        TEXTFONT           MATHFONT\n\n"
+                        (mapconcat 'TeX-describe-font-entry
+                                   TeX-font-list "\n"))))
+             (with-output-to-temp-buffer "*Help*"
+               (set-buffer "*Help*")
+               (insert help))))
+          (replace
+           (funcall TeX-font-replace-function before after))
+          ((TeX-active-mark)
+           (save-excursion
+             (cond ((> (mark) (point))
+                    (insert before)
+                    (goto-char (mark))
+                    (insert after))
+                   (t
+                    (insert after)
+                    (goto-char (mark))
+                    (insert before)))))
+          (t
+           (insert before)
+           (save-excursion
+             (insert after))))))
 
 (defun TeX-font-replace (start end)
   "Replace font specification around point with START and END.
@@ -5710,13 +5710,13 @@ See also `TeX-font-replace-macro' and 
`TeX-font-replace-function'."
     (save-excursion
       (replace-match start t t))
     (if (save-excursion
-         (backward-char 3)
-         (if (looking-at (regexp-quote "\\/}"))
-             (progn
-               (delete-char 3)
-               nil)
-           t))
-       (delete-char -1))
+          (backward-char 3)
+          (if (looking-at (regexp-quote "\\/}"))
+              (progn
+                (delete-char 3)
+                nil)
+            t))
+        (delete-char -1))
     (insert end)))
 
 (defun TeX-font-replace-macro (start end)
@@ -5724,30 +5724,30 @@ See also `TeX-font-replace-macro' and 
`TeX-font-replace-function'."
 For modes with font specifications like `\\font{text}'.
 See also `TeX-font-replace' and `TeX-font-replace-function'."
   (let ((font-list TeX-font-list)
-       cmds strings regexp)
+        cmds strings regexp)
     (while font-list
       (setq strings (cdr (car font-list))
-           font-list (cdr font-list))
+            font-list (cdr font-list))
       (and (stringp (car strings)) (null (string= (car strings) ""))
-          (setq cmds (cons (car strings) cmds)))
+           (setq cmds (cons (car strings) cmds)))
       (setq strings (cdr (cdr strings)))
       (and (stringp (car strings)) (null (string= (car strings) ""))
-          (setq cmds (cons (car strings) cmds))))
+           (setq cmds (cons (car strings) cmds))))
     (setq regexp (mapconcat 'regexp-quote cmds "\\|"))
     (save-excursion
       (catch 'done
-       (while t
-         (if (/= ?\\ (following-char))
-             (skip-chars-backward "a-zA-Z "))
-         (skip-chars-backward (regexp-quote TeX-esc))
-         (if (looking-at regexp)
-             (throw 'done t)
-           (up-list -1))))
+        (while t
+          (if (/= ?\\ (following-char))
+              (skip-chars-backward "a-zA-Z "))
+          (skip-chars-backward (regexp-quote TeX-esc))
+          (if (looking-at regexp)
+              (throw 'done t)
+            (up-list -1))))
       ;; Use stripped syntax table in order to get stuff like "\emph{(}" right.
       (with-syntax-table (TeX-search-syntax-table ?\{ ?\})
-       (forward-sexp 2))
+        (forward-sexp 2))
       (save-excursion
-       (replace-match start t t))
+        (replace-match start t t))
       (delete-char -1)
       (insert end))))
 
@@ -5767,7 +5767,7 @@ See also `TeX-font-replace' and 
`TeX-font-replace-function'."
 (defconst TeX-dollar-string (char-to-string TeX-dollar-sign))
 (defconst TeX-dollar-regexp
   (concat "^" (regexp-quote TeX-dollar-string) "\\|[^" TeX-esc "]"
-         (regexp-quote TeX-dollar-string)))
+          (regexp-quote TeX-dollar-string)))
 
 (defcustom TeX-math-toggle-off-input-method t
   "If non-nil, auto turn off some input methods when entering math mode.
@@ -5796,11 +5796,11 @@ to insert before point, the CDR is the string to insert 
after
 point.  You can choose between \"$...$\" and \"\\(...\\)\"."
   :group 'TeX-macro
   :type '(choice (const :tag "No electricity" nil)
-                (const :tag "$...$" ("$" . "$"))
-                (const :tag "\\(...\\)" ("\\(" . "\\)"))
-                (cons :tag "Other"
-                      (string :tag "Insert before point")
-                      (string :tag "Insert after point"))))
+                 (const :tag "$...$" ("$" . "$"))
+                 (const :tag "\\(...\\)" ("\\(" . "\\)"))
+                 (cons :tag "Other"
+                       (string :tag "Insert before point")
+                       (string :tag "Insert after point"))))
 
 (defun TeX-insert-dollar (&optional arg)
   "Insert dollar sign.
@@ -5830,76 +5830,76 @@ sign.  With optional ARG, insert that many dollar 
signs."
     ;; We are inside math mode
     (cond
      ((and TeX-electric-math
-          (eq (preceding-char) ?\$)
-          (eq (following-char) ?\$))
+           (eq (preceding-char) ?\$)
+           (eq (following-char) ?\$))
       ;; Point is between "$$" and `TeX-electric-math' is non-nil - insert
       ;; another pair of dollar signs and leave point between them.
       (insert "$$")
       (backward-char))
      ((and (stringp (car texmathp-why))
-          (string-equal (substring (car texmathp-why) 0 1) "\$"))
+           (string-equal (substring (car texmathp-why) 0 1) "\$"))
       ;; Math mode was turned on with $ or $$ - insert a single $.
       (insert "$")
       ;; Compatibility, `TeX-math-close-double-dollar' has been removed
       ;; after AUCTeX 11.87.
       (if (boundp 'TeX-math-close-double-dollar)
-         (message
-          (concat "`TeX-math-close-double-dollar' has been removed,"
-                  "\nplease use `TeX-electric-math' instead.")))
+          (message
+           (concat "`TeX-math-close-double-dollar' has been removed,"
+                   "\nplease use `TeX-electric-math' instead.")))
       (when (and blink-matching-paren
-                (or (string= (car texmathp-why) "$")
-                    (zerop (mod (save-excursion
-                                  (skip-chars-backward "$")) 2))))
-       (save-excursion
-         (goto-char (cdr texmathp-why))
-         (if (pos-visible-in-window-p)
-             (sit-for blink-matching-delay)
-           (message "Matches %s"
-                    (buffer-substring
-                     (point) (progn (end-of-line) (point))))))))
+                 (or (string= (car texmathp-why) "$")
+                     (zerop (mod (save-excursion
+                                   (skip-chars-backward "$")) 2))))
+        (save-excursion
+          (goto-char (cdr texmathp-why))
+          (if (pos-visible-in-window-p)
+              (sit-for blink-matching-delay)
+            (message "Matches %s"
+                     (buffer-substring
+                      (point) (progn (end-of-line) (point))))))))
      (t
       ;; Math mode was not entered with dollar - we cannot finish it with one.
       (message "Math mode started with `%s' cannot be closed with dollar"
-              (car texmathp-why)))))
+               (car texmathp-why)))))
    (t
     ;; Just somewhere in the text.
     (cond
      ((and TeX-electric-math (TeX-active-mark))
       (if (> (point) (mark))
-         (exchange-point-and-mark))
+          (exchange-point-and-mark))
       (cond
        ;; $...$ to $$...$$
        ((and (eq last-command 'TeX-insert-dollar)
-            (re-search-forward "\\=\\$\\([^$][^z-a]*[^$]\\)\\$" (mark) t))
-       (replace-match "$$\\1$$")
-       (set-mark (match-beginning 0)))
+             (re-search-forward "\\=\\$\\([^$][^z-a]*[^$]\\)\\$" (mark) t))
+        (replace-match "$$\\1$$")
+        (set-mark (match-beginning 0)))
        ;; \(...\) to \[...\]
        ((and (eq last-command 'TeX-insert-dollar)
-            (re-search-forward "\\=\\\\(\\([^z-a]*\\)\\\\)" (mark) t))
-       (replace-match "\\\\[\\1\\\\]")
-       (set-mark (match-beginning 0)))
+             (re-search-forward "\\=\\\\(\\([^z-a]*\\)\\\\)" (mark) t))
+        (replace-match "\\\\[\\1\\\\]")
+        (set-mark (match-beginning 0)))
        ;; Strip \[...\] or $$...$$
        ((and (eq last-command 'TeX-insert-dollar)
-            (or (re-search-forward "\\=\\\\\\[\\([^z-a]*\\)\\\\\\]" (mark) t)
-                (re-search-forward "\\=\\$\\$\\([^z-a]*\\)\\$\\$" (mark) t)))
-       (replace-match "\\1")
-       (set-mark (match-beginning 0)))
+             (or (re-search-forward "\\=\\\\\\[\\([^z-a]*\\)\\\\\\]" (mark) t)
+                 (re-search-forward "\\=\\$\\$\\([^z-a]*\\)\\$\\$" (mark) t)))
+        (replace-match "\\1")
+        (set-mark (match-beginning 0)))
        (t
-       ;; We use `save-excursion' because point must be situated before opening
-       ;; symbol.
-       (save-excursion (insert (car TeX-electric-math)))
-       (exchange-point-and-mark)
-       (insert (cdr TeX-electric-math))))
+        ;; We use `save-excursion' because point must be situated before 
opening
+        ;; symbol.
+        (save-excursion (insert (car TeX-electric-math)))
+        (exchange-point-and-mark)
+        (insert (cdr TeX-electric-math))))
       ;; Keep the region active.
       (TeX-activate-region))
      (TeX-electric-math
       (insert (car TeX-electric-math))
       (save-excursion (insert (cdr TeX-electric-math)))
       (if blink-matching-paren
-         (progn
-           (backward-char)
-           (sit-for blink-matching-delay)
-           (forward-char))))
+          (progn
+            (backward-char)
+            (sit-for blink-matching-delay)
+            (forward-char))))
      ;; In any other case just insert a single $.
      ((insert "$")))))
   (TeX-math-input-method-off))
@@ -5918,8 +5918,8 @@ sign.  With optional ARG, insert that many dollar signs."
        (string-match TeX-math-input-method-off-regexp current-input-method)
        ;; inactivate-input-method is obsolete since emacs 24.3.
        (if (fboundp 'deactivate-input-method)
-          (deactivate-input-method)
-        (with-no-warnings
+           (deactivate-input-method)
+         (with-no-warnings
            (inactivate-input-method)))))
 
 ;;; Simple Commands
@@ -5931,16 +5931,16 @@ With optional argument ARG, also reload the style 
hooks."
   (interactive "*P")
   (if arg
       (setq TeX-style-hook-list nil
-           BibTeX-global-style-files nil
-           BibTeX-global-files nil
-           BibLaTeX-global-style-files nil
-           TeX-Biber-global-files nil
-           TeX-global-input-files nil
-           LaTeX-global-class-files nil
-           LaTeX-includegraphics-global-files nil))
+            BibTeX-global-style-files nil
+            BibTeX-global-files nil
+            BibLaTeX-global-style-files nil
+            TeX-Biber-global-files nil
+            TeX-global-input-files nil
+            LaTeX-global-class-files nil
+            LaTeX-includegraphics-global-files nil))
   (let ((TeX-auto-save t))
     (if (buffer-modified-p)
-       (save-buffer)
+        (save-buffer)
       (TeX-auto-write)))
   (normal-mode)
   ;; See also addition to `find-file-hook' in `VirTeX-common-initialization'.
@@ -5981,20 +5981,20 @@ valid languages."
   :group 'TeX-quote
   :link '(custom-manual "(auctex)European")
   :type '(repeat (group (choice
-                        (const "czech")
-                        (const "danish")
-                        (const "dutch")
-                        (const "german")
-                        (const "ngerman")
-                        (const "french") ;; not frenchb or francais
-                        (const "italian")
-                        (const "polish")
-                        (const "slovak")
-                        (const "swedish")
-                        (string :tag "Other Language"))
-                       (choice :tag "Opening quotation mark" string function)
-                       (choice :tag "Closing quotation mark" string function)
-                       (boolean :tag "Insert plain quote first" :value t))))
+                         (const "czech")
+                         (const "danish")
+                         (const "dutch")
+                         (const "german")
+                         (const "ngerman")
+                         (const "french") ;; not frenchb or francais
+                         (const "italian")
+                         (const "polish")
+                         (const "slovak")
+                         (const "swedish")
+                         (string :tag "Other Language"))
+                        (choice :tag "Opening quotation mark" string function)
+                        (choice :tag "Closing quotation mark" string function)
+                        (boolean :tag "Insert plain quote first" :value t))))
 
 (defvar TeX-quote-language nil
   "If non-nil determines behavior of quote insertion.
@@ -6014,80 +6014,80 @@ is non-nil, this insertion works only after \".
 With prefix argument FORCE, always inserts \" characters."
   (interactive "*P")
   (if (or force
-         ;; Do not insert TeX quotes in verbatim, math or comment constructs.
-         (and (fboundp 'font-latex-faces-present-p)
-              (font-latex-faces-present-p '(font-latex-verbatim-face
-                                            font-latex-math-face
-                                            font-lock-comment-face))
-              (font-latex-faces-present-p '(font-latex-verbatim-face
-                                            font-latex-math-face
-                                            font-lock-comment-face)
-                                          (1- (point))))
-         (texmathp)
-         (and (TeX-in-comment) (not (eq major-mode 'doctex-mode))))
+          ;; Do not insert TeX quotes in verbatim, math or comment constructs.
+          (and (fboundp 'font-latex-faces-present-p)
+               (font-latex-faces-present-p '(font-latex-verbatim-face
+                                             font-latex-math-face
+                                             font-lock-comment-face))
+               (font-latex-faces-present-p '(font-latex-verbatim-face
+                                             font-latex-math-face
+                                             font-lock-comment-face)
+                                           (1- (point))))
+          (texmathp)
+          (and (TeX-in-comment) (not (eq major-mode 'doctex-mode))))
       (self-insert-command (prefix-numeric-value force))
     (TeX-update-style)
     (let* ((lang-override (if (eq (car TeX-quote-language) 'override)
-                             TeX-quote-language
-                           (assoc (car TeX-quote-language)
-                                  TeX-quote-language-alist)))
-          (lang (or lang-override TeX-quote-language))
-          (open-quote (if lang (nth 1 lang) TeX-open-quote))
-          (close-quote (if lang (nth 2 lang) TeX-close-quote))
-          (q-after-q (if lang (nth 3 lang) TeX-quote-after-quote)))
+                              TeX-quote-language
+                            (assoc (car TeX-quote-language)
+                                   TeX-quote-language-alist)))
+           (lang (or lang-override TeX-quote-language))
+           (open-quote (if lang (nth 1 lang) TeX-open-quote))
+           (close-quote (if lang (nth 2 lang) TeX-close-quote))
+           (q-after-q (if lang (nth 3 lang) TeX-quote-after-quote)))
       (when (functionp open-quote)
-       (setq open-quote (funcall open-quote)))
+        (setq open-quote (funcall open-quote)))
       (when (functionp close-quote)
-       (setq close-quote (funcall close-quote)))
+        (setq close-quote (funcall close-quote)))
       (if q-after-q
-         (insert (cond ((bobp)
-                        ?\")
-                       ((save-excursion
-                          (TeX-looking-at-backward
-                           (concat (regexp-quote open-quote) "\\|"
-                                   (regexp-quote close-quote))
-                           (max (length open-quote) (length close-quote))))
-                        (delete-char (- (length (match-string 0))))
-                        "\"\"")
-                       ((< (save-excursion (skip-chars-backward "\"")) -1)
-                        ?\")
-                       ((not (= (preceding-char) ?\"))
-                        ?\")
-                       ((save-excursion
-                          (forward-char -1)
-                          (bobp))
-                        (delete-char -1)
-                        open-quote)
-                       ((save-excursion
-                          (forward-char -2) ;;; at -1 there is double quote
-                          (looking-at "[ \t\n]\\|\\s("))
-                        (delete-char -1)
-                        open-quote)
-                       (t
-                        (delete-char -1)
-                        close-quote)))
-       (insert (cond ((bobp)
-                      open-quote)
-                     ((= (preceding-char) (string-to-char TeX-esc))
-                      ?\")
-                     ((= (preceding-char) ?\")
-                      ?\")
-                     ((save-excursion
-                        (forward-char (- (length open-quote)))
-                        (looking-at (regexp-quote open-quote)))
-                      (delete-char (- (length open-quote)))
-                      ?\")
-                     ((save-excursion
-                        (forward-char (- (length close-quote)))
-                        (looking-at (regexp-quote close-quote)))
-                      (delete-char (- (length close-quote)))
-                      ?\")
-                     ((save-excursion
-                        (forward-char -1)
-                        (looking-at "[ \t\n]\\|\\s("))
-                      open-quote)
-                     (t
-                      close-quote)))))))
+          (insert (cond ((bobp)
+                         ?\")
+                        ((save-excursion
+                           (TeX-looking-at-backward
+                            (concat (regexp-quote open-quote) "\\|"
+                                    (regexp-quote close-quote))
+                            (max (length open-quote) (length close-quote))))
+                         (delete-char (- (length (match-string 0))))
+                         "\"\"")
+                        ((< (save-excursion (skip-chars-backward "\"")) -1)
+                         ?\")
+                        ((not (= (preceding-char) ?\"))
+                         ?\")
+                        ((save-excursion
+                           (forward-char -1)
+                           (bobp))
+                         (delete-char -1)
+                         open-quote)
+                        ((save-excursion
+                           (forward-char -2) ;;; at -1 there is double quote
+                           (looking-at "[ \t\n]\\|\\s("))
+                         (delete-char -1)
+                         open-quote)
+                        (t
+                         (delete-char -1)
+                         close-quote)))
+        (insert (cond ((bobp)
+                       open-quote)
+                      ((= (preceding-char) (string-to-char TeX-esc))
+                       ?\")
+                      ((= (preceding-char) ?\")
+                       ?\")
+                      ((save-excursion
+                         (forward-char (- (length open-quote)))
+                         (looking-at (regexp-quote open-quote)))
+                       (delete-char (- (length open-quote)))
+                       ?\")
+                      ((save-excursion
+                         (forward-char (- (length close-quote)))
+                         (looking-at (regexp-quote close-quote)))
+                       (delete-char (- (length close-quote)))
+                       ?\")
+                      ((save-excursion
+                         (forward-char -1)
+                         (looking-at "[ \t\n]\\|\\s("))
+                       open-quote)
+                      (t
+                       close-quote)))))))
 
 (defun TeX-insert-punctuation ()
   "Insert point or comma, cleaning up preceding space."
@@ -6108,12 +6108,12 @@ closing brace."
   (interactive "P")
   (if (TeX-active-mark)
       (progn
-       (if (< (point) (mark))
-           (exchange-point-and-mark))
-       (insert TeX-grcl)
-       (save-excursion
-         (goto-char (mark))
-         (insert TeX-grop)))
+        (if (< (point) (mark))
+            (exchange-point-and-mark))
+        (insert TeX-grcl)
+        (save-excursion
+          (goto-char (mark))
+          (insert TeX-grop)))
     (insert TeX-grop)
     (save-excursion
       (if arg (forward-sexp (prefix-numeric-value arg)))
@@ -6136,43 +6136,43 @@ information about your AUCTeX version and AUCTeX 
configuration."
      "bug-auctex@gnu.org"
      AUCTeX-version
      (list 'AUCTeX-date
-          'window-system
-          'LaTeX-version
-          'TeX-style-path
-          'TeX-auto-save
-          'TeX-parse-self
-          'TeX-master
-          'TeX-command-list)
+           'window-system
+           'LaTeX-version
+           'TeX-style-path
+           'TeX-auto-save
+           'TeX-parse-self
+           'TeX-master
+           'TeX-command-list)
      nil
      ;; reporter adds too many new lines around salutation text, that we don't
      ;; want, since it's itself a new line.
      (lambda ()
        (save-excursion
-        (goto-char (point-min))
-        (re-search-forward mail-header-separator)
-        (forward-char)
-        (delete-char 1)
-        (forward-char)
-        (delete-char 2)))
+         (goto-char (point-min))
+         (re-search-forward mail-header-separator)
+         (forward-char)
+         (delete-char 1)
+         (forward-char)
+         (delete-char 2)))
      (propertize
       "\n" 'display
       (with-temp-buffer
-       (insert
-        "Remember to cover the basics, that is, what you expected to happen and
+        (insert
+         "Remember to cover the basics, that is, what you expected to happen 
and
 what in fact did happen.
 
 Be sure to consult the FAQ section in the manual before submitting
 a bug report.  In addition check if the bug is reproducable with an
 up-to-date version of AUCTeX.  So please upgrade to the version
 available from ")
-       (insert-text-button
-        "https://www.gnu.org/software/auctex/";
-        'face 'link
-        'help-echo (concat "mouse-2, RET: Follow this link")
-        'action (lambda (_button)
-                  (browse-url "https://www.gnu.org/software/auctex/";))
-        'follow-link t)
-       (insert " if your
+        (insert-text-button
+         "https://www.gnu.org/software/auctex/";
+         'face 'link
+         'help-echo (concat "mouse-2, RET: Follow this link")
+         'action (lambda (_button)
+                   (browse-url "https://www.gnu.org/software/auctex/";))
+         'follow-link t)
+        (insert " if your
 installation is older than the one available from the web site.
 
 If the bug is triggered by a specific \(La\)TeX file, you should try
@@ -6181,16 +6181,16 @@ in your report.
 
 Your report will be posted for the auctex package at the GNU bug
 tracker.  Visit ")
-       (insert-text-button
-        "https://debbugs.gnu.org/cgi/pkgreport.cgi?pkg=auctex";
-        'face 'link
-        'help-echo (concat "mouse-2, RET: Follow this link")
-        'action (lambda (_button)
-                  (browse-url 
"https://debbugs.gnu.org/cgi/pkgreport.cgi?pkg=auctex";))
-        'follow-link t)
-       (insert "\nto browse existing AUCTeX bugs.
+        (insert-text-button
+         "https://debbugs.gnu.org/cgi/pkgreport.cgi?pkg=auctex";
+         'face 'link
+         'help-echo (concat "mouse-2, RET: Follow this link")
+         'action (lambda (_button)
+                   (browse-url 
"https://debbugs.gnu.org/cgi/pkgreport.cgi?pkg=auctex";))
+         'follow-link t)
+        (insert "\nto browse existing AUCTeX bugs.
 ------------------------------------------------------------------------\n\n")
-       (buffer-string))))))
+        (buffer-string))))))
 
 
 ;;; Documentation
@@ -6205,80 +6205,80 @@ package, prompt for selection of the manual of that 
package to
 show."
   (interactive "P")
   (let ((pkg (thing-at-point 'symbol))
-       buffer list doc)
+        buffer list doc)
     ;; Strip off properties.  XXX: XEmacs doesn't have
     ;; `substring-no-properties'.
     (set-text-properties 0 (length pkg) nil pkg)
     (setq pkg (TeX-read-string "View documentation for: " pkg))
     (unless (zerop (length pkg))
       (if arg
-         ;; Called with prefix argument: run "texdoc --list --nointeract <pkg>"
-         (progn
-           ;; Create the buffer, insert the result of the command, and
-           ;; accumulate the list of manuals.
-           (with-current-buffer (get-buffer-create
-                                 (setq buffer (format "*texdoc: %s*" pkg)))
-             (erase-buffer)
-             (insert (shell-command-to-string
-                      (concat "texdoc --list --nointeract " pkg)))
-             (goto-char 1)             ; No need to use `point-min' here.
-             (save-excursion
-               (while (re-search-forward
-                       ;; XXX: XEmacs doesn't support character classes in
-                       ;; regexps, like "[:alnum:]".
-                       "^ *\\([0-9]+\\) +\\([-~/a-zA-Z0-9_.${}#%,:\\ ()]+\\)" 
nil t)
-                 (push (cons (match-string 1) (match-string 2)) list))))
-           (unwind-protect
-               (cond
-                ((null (executable-find "texdoc"))
-                 ;; Note: `shell-command-to-string' uses shell, only
-                 ;; `call-process' looks at `exec-path', thus only here makes
-                 ;; sense to use `executable-find' to test whether texdoc is
-                 ;; available.
-                 (message "texdoc not found"))
-                (list
-                 ;; Go on if there are manuals listed: show the buffer, prompt
-                 ;; for the number of the manual, then run
-                 ;;     texdoc --just-view <doc>
-                 (TeX-pop-to-buffer (get-buffer buffer))
-                 (condition-case nil
-                     (when (setq doc
-                                 (cdr (assoc (TeX-read-string "Please enter \
+          ;; Called with prefix argument: run "texdoc --list --nointeract 
<pkg>"
+          (progn
+            ;; Create the buffer, insert the result of the command, and
+            ;; accumulate the list of manuals.
+            (with-current-buffer (get-buffer-create
+                                  (setq buffer (format "*texdoc: %s*" pkg)))
+              (erase-buffer)
+              (insert (shell-command-to-string
+                       (concat "texdoc --list --nointeract " pkg)))
+              (goto-char 1)             ; No need to use `point-min' here.
+              (save-excursion
+                (while (re-search-forward
+                        ;; XXX: XEmacs doesn't support character classes in
+                        ;; regexps, like "[:alnum:]".
+                        "^ *\\([0-9]+\\) +\\([-~/a-zA-Z0-9_.${}#%,:\\ ()]+\\)" 
nil t)
+                  (push (cons (match-string 1) (match-string 2)) list))))
+            (unwind-protect
+                (cond
+                 ((null (executable-find "texdoc"))
+                  ;; Note: `shell-command-to-string' uses shell, only
+                  ;; `call-process' looks at `exec-path', thus only here makes
+                  ;; sense to use `executable-find' to test whether texdoc is
+                  ;; available.
+                  (message "texdoc not found"))
+                 (list
+                  ;; Go on if there are manuals listed: show the buffer, prompt
+                  ;; for the number of the manual, then run
+                  ;;     texdoc --just-view <doc>
+                  (TeX-pop-to-buffer (get-buffer buffer))
+                  (condition-case nil
+                      (when (setq doc
+                                  (cdr (assoc (TeX-read-string "Please enter \
 the number of the file to view, anything else to skip: ") list)))
-                       (call-process "texdoc" nil 0 nil "--just-view" doc))
-                   ;; Exit gently if a `quit' signal is thrown.
-                   (quit nil)))
-                (t (message "No documentation found for %s" pkg)))
-             ;; In any case quit-and-kill the window.
-             (when (get-buffer-window buffer)
-               (quit-window t (get-buffer-window buffer)))))
-       ;; Called without prefix argument: just run "texdoc --view <pkg>" and
-       ;; show the output, so that the user is warned in case it doesn't find
-       ;; the documentation or "texdoc" is not available.
-       (message "%s"
-                ;; The folowing code to the end of `defun' used to be
-                ;; just
-                ;; (shell-command-to-string (concat "texdoc --view " pkg))
-                ;; , but in some cases it blocks emacs until the user
-                ;; quits the viewer (bug#28905).
-                (with-output-to-string
-                  (let* (;; Use pipe rather than pty because the
-                         ;; latter causes atril (evince variant
-                         ;; viewer) to exit before showing anything.
-                         (process-connection-type nil)
-                         (process (start-process-shell-command
-                                   "Doc view" standard-output
-                                   (concat "texdoc --view " pkg))))
-                    ;; Suppress the message "Process Doc view
-                    ;; finished".
-                    (set-process-sentinel process #'ignore)
-                    ;; Kill temp buffer without query.  This is
-                    ;; necessary, at least for some environment, if
-                    ;; the underlying shell can't find the texdoc
-                    ;; executable.
-                    (set-process-query-on-exit-flag process nil)
-                    ;; Don't discard shell output.
-                    (accept-process-output process))))))))
+                        (call-process "texdoc" nil 0 nil "--just-view" doc))
+                    ;; Exit gently if a `quit' signal is thrown.
+                    (quit nil)))
+                 (t (message "No documentation found for %s" pkg)))
+              ;; In any case quit-and-kill the window.
+              (when (get-buffer-window buffer)
+                (quit-window t (get-buffer-window buffer)))))
+        ;; Called without prefix argument: just run "texdoc --view <pkg>" and
+        ;; show the output, so that the user is warned in case it doesn't find
+        ;; the documentation or "texdoc" is not available.
+        (message "%s"
+                 ;; The folowing code to the end of `defun' used to be
+                 ;; just
+                 ;; (shell-command-to-string (concat "texdoc --view " pkg))
+                 ;; , but in some cases it blocks emacs until the user
+                 ;; quits the viewer (bug#28905).
+                 (with-output-to-string
+                   (let* (;; Use pipe rather than pty because the
+                          ;; latter causes atril (evince variant
+                          ;; viewer) to exit before showing anything.
+                          (process-connection-type nil)
+                          (process (start-process-shell-command
+                                    "Doc view" standard-output
+                                    (concat "texdoc --view " pkg))))
+                     ;; Suppress the message "Process Doc view
+                     ;; finished".
+                     (set-process-sentinel process #'ignore)
+                     ;; Kill temp buffer without query.  This is
+                     ;; necessary, at least for some environment, if
+                     ;; the underlying shell can't find the texdoc
+                     ;; executable.
+                     (set-process-query-on-exit-flag process nil)
+                     ;; Don't discard shell output.
+                     (accept-process-output process))))))))
 
 (defun TeX-goto-info-page ()
   "Read documentation for AUCTeX in the info system."
@@ -6289,32 +6289,32 @@ the number of the file to view, anything else to skip: 
") list)))
 
 (defvar TeX-doc-backend-alist
   '((texdoc (plain-tex-mode latex-mode doctex-mode ams-tex-mode context-mode)
-           (lambda ()
-             (when (executable-find "texdoc")
-               (TeX-search-files-by-type 'docs 'global t t)))
-           (lambda (doc)
-             ;; texdoc in MiKTeX requires --view in order to start
-             ;; the viewer instead of an intermediate web page.
-             (call-process "texdoc" nil 0 nil "--view" doc)))
+            (lambda ()
+              (when (executable-find "texdoc")
+                (TeX-search-files-by-type 'docs 'global t t)))
+            (lambda (doc)
+              ;; texdoc in MiKTeX requires --view in order to start
+              ;; the viewer instead of an intermediate web page.
+              (call-process "texdoc" nil 0 nil "--view" doc)))
     (latex-info (latex-mode)
-               (lambda ()
-                 (mapcar (lambda (x)
-                           (let ((x (car x)))
-                             (if (string-match "\\`\\\\" x)
-                                 (substring x 1) x)))
-                         (info-lookup->completions 'symbol 'latex-mode)))
-               (lambda (doc)
-                 (info-lookup-symbol (concat "\\" doc) 'latex-mode)))
+                (lambda ()
+                  (mapcar (lambda (x)
+                            (let ((x (car x)))
+                              (if (string-match "\\`\\\\" x)
+                                  (substring x 1) x)))
+                          (info-lookup->completions 'symbol 'latex-mode)))
+                (lambda (doc)
+                  (info-lookup-symbol (concat "\\" doc) 'latex-mode)))
     (texinfo-info (texinfo-mode)
-                 (lambda ()
-                   (mapcar (lambda (x)
-                             (let ((x (car x)))
-                               (if (string-match "\\`@" x)
-                                   (substring x 1) x)))
-                           (info-lookup->completions 'symbol
-                                                     'texinfo-mode)))
-                 (lambda (doc)
-                   (info-lookup-symbol (concat "@" doc) 'texinfo-mode))))
+                  (lambda ()
+                    (mapcar (lambda (x)
+                              (let ((x (car x)))
+                                (if (string-match "\\`@" x)
+                                    (substring x 1) x)))
+                            (info-lookup->completions 'symbol
+                                                      'texinfo-mode)))
+                  (lambda (doc)
+                    (info-lookup-symbol (concat "@" doc) 'texinfo-mode))))
   "Alist of backends used for looking up documentation.
 Each item consists of four elements.
 
@@ -6339,49 +6339,49 @@ NAME may be a package, a command, or a document."
     ;; Build the lists of available documentation used for completion.
     (dolist (elt TeX-doc-backend-alist)
       (when (memq major-mode (nth 1 elt))
-       (let ((completions (funcall (nth 2 elt))))
-         (unless (null completions)
+        (let ((completions (funcall (nth 2 elt))))
+          (unless (null completions)
             (cl-pushnew (cons completions (nth 0 elt)) docs :test #'equal)))))
     (if (null docs)
-       (progn
-         (if (executable-find "texdoc")
-             ;; Fallback if we did not find anything via the backend list.
-             (let ((doc (read-from-minibuffer "Input for `texdoc': ")))
-               (when doc (call-process "texdoc" nil 0 nil "--view" doc)))
-           ;; Give up.
-           (message "No documentation found")))
+        (progn
+          (if (executable-find "texdoc")
+              ;; Fallback if we did not find anything via the backend list.
+              (let ((doc (read-from-minibuffer "Input for `texdoc': ")))
+                (when doc (call-process "texdoc" nil 0 nil "--view" doc)))
+            ;; Give up.
+            (message "No documentation found")))
       ;; Ask the user about the package, command, or document.
       (when (and (called-interactively-p 'any)
-                (or (not name) (string= name "")))
-       (let ((symbol (thing-at-point 'symbol))
-             contained completions)
-         ;; Is the symbol at point contained in the lists of available
-         ;; documentation?
-         (setq contained (catch 'found
-                           (dolist (elt docs)
-                             (when (member symbol (car elt))
-                               (throw 'found t)))))
-         ;; Setup completion list in a format suitable for `completing-read'.
-         (dolist (elt docs)
-           (setq completions (nconc (mapcar 'list (car elt)) completions)))
-         ;; Query user.
-         (setq name (completing-read
-                     (if contained
-                         (format "Package, command, or document (default %s): "
-                                 symbol)
-                       "Package, command, or document: ")
-                     completions nil nil nil nil symbol))))
+                 (or (not name) (string= name "")))
+        (let ((symbol (thing-at-point 'symbol))
+              contained completions)
+          ;; Is the symbol at point contained in the lists of available
+          ;; documentation?
+          (setq contained (catch 'found
+                            (dolist (elt docs)
+                              (when (member symbol (car elt))
+                                (throw 'found t)))))
+          ;; Setup completion list in a format suitable for `completing-read'.
+          (dolist (elt docs)
+            (setq completions (nconc (mapcar 'list (car elt)) completions)))
+          ;; Query user.
+          (setq name (completing-read
+                      (if contained
+                          (format "Package, command, or document (default %s): 
"
+                                  symbol)
+                        "Package, command, or document: ")
+                      completions nil nil nil nil symbol))))
       (if (not name)
-         (message "No documentation specified")
-       ;; XXX: Provide way to choose in case a symbol can be found in
-       ;; more than one backend.
-       (let* ((backend (catch 'found
-                         (dolist (elt docs)
-                           (when (member name (car elt))
-                             (throw 'found (cdr elt)))))))
-         (if backend
-             (funcall (nth 3 (assoc backend TeX-doc-backend-alist)) name)
-           (message "Documentation not found")))))))
+          (message "No documentation specified")
+        ;; XXX: Provide way to choose in case a symbol can be found in
+        ;; more than one backend.
+        (let* ((backend (catch 'found
+                          (dolist (elt docs)
+                            (when (member name (car elt))
+                              (throw 'found (cdr elt)))))))
+          (if backend
+              (funcall (nth 3 (assoc backend TeX-doc-backend-alist)) name)
+            (message "Documentation not found")))))))
 
 
 ;;; Ispell Support
@@ -6389,16 +6389,16 @@ NAME may be a package, a command, or a document."
 (defun TeX-run-ispell (_command _string file)
   "Run ispell on current TeX buffer."
   (cond ((and (string-equal file (TeX-region-file))
-             (fboundp 'ispell-region))
-        (call-interactively 'ispell-region))
-       ((string-equal file (TeX-region-file))
-        (call-interactively 'spell-region))
-       ((fboundp 'ispell-buffer)
-        (ispell-buffer))
-       ((fboundp 'ispell)
-        (ispell))
-       (t
-        (spell-buffer))))
+              (fboundp 'ispell-region))
+         (call-interactively 'ispell-region))
+        ((string-equal file (TeX-region-file))
+         (call-interactively 'spell-region))
+        ((fboundp 'ispell-buffer)
+         (ispell-buffer))
+        ((fboundp 'ispell)
+         (ispell))
+        (t
+         (spell-buffer))))
 
 (defun TeX-ispell-document (name)
   "Run ispell on all open files belonging to the current document."
@@ -6407,35 +6407,35 @@ NAME may be a package, a command, or a document."
       (setq name (TeX-master-file)))
 
   (let ((regexp (concat "\\`\\("
-                       (mapconcat (lambda (dir)
-                                    (regexp-quote
-                                     (expand-file-name
-                                      (file-name-as-directory dir))))
-                                  (append (when (file-name-directory name)
-                                            (list (file-name-directory name)))
-                                          TeX-check-path)
-                                  "\\|")
-                       "\\).*\\("
-                       (mapconcat 'regexp-quote
-                                  (cons (file-name-nondirectory name)
-                                        (TeX-style-list)) "\\|")
-                       "\\)\\.\\("
-                       (mapconcat #'identity TeX-file-extensions "\\|")
-                       "\\)\\'"))
-       (buffers (buffer-list)))
+                        (mapconcat (lambda (dir)
+                                     (regexp-quote
+                                      (expand-file-name
+                                       (file-name-as-directory dir))))
+                                   (append (when (file-name-directory name)
+                                             (list (file-name-directory name)))
+                                           TeX-check-path)
+                                   "\\|")
+                        "\\).*\\("
+                        (mapconcat 'regexp-quote
+                                   (cons (file-name-nondirectory name)
+                                         (TeX-style-list)) "\\|")
+                        "\\)\\.\\("
+                        (mapconcat #'identity TeX-file-extensions "\\|")
+                        "\\)\\'"))
+        (buffers (buffer-list)))
     (while buffers
       (let* ((buffer (car buffers))
-            (name (buffer-file-name buffer)))
-       (setq buffers (cdr buffers))
-       (when (and name (string-match regexp name))
-         (save-excursion (switch-to-buffer buffer) (ispell-buffer))
+             (name (buffer-file-name buffer)))
+        (setq buffers (cdr buffers))
+        (when (and name (string-match regexp name))
+          (save-excursion (switch-to-buffer buffer) (ispell-buffer))
           t)))))
 
 ;; Some versions of ispell 3 use this.
 (defvar ispell-tex-major-modes nil)
 (setq ispell-tex-major-modes
       (append '(plain-tex-mode ams-tex-mode latex-mode doctex-mode)
-             ispell-tex-major-modes))
+              ispell-tex-major-modes))
 
 (defcustom TeX-ispell-extend-skip-list t
   "Whether to extend regions selected for skipping during spell checking."
@@ -6452,9 +6452,9 @@ of the car of `ispell-tex-skip-alists'.  This only 
happens if
 `TeX-ispell-extend-skip-list' is non-nil."
   (when TeX-ispell-extend-skip-list
     (let ((raws (car ispell-tex-skip-alists))
-         (envs (cadr ispell-tex-skip-alists)))
+          (envs (cadr ispell-tex-skip-alists)))
       (dolist (x skip)
-       (cl-pushnew x raws :test #'equal))
+        (cl-pushnew x raws :test #'equal))
       (setq ispell-tex-skip-alists (list raws envs)))))
 
 (defun TeX-ispell-skip-setcdr (skip)
@@ -6465,9 +6465,9 @@ of the cdr of `ispell-tex-skip-alists'.  This only 
happens if
 `TeX-ispell-extend-skip-list' is non-nil."
   (when TeX-ispell-extend-skip-list
     (let ((raws (car ispell-tex-skip-alists))
-         (envs (cadr ispell-tex-skip-alists)))
+          (envs (cadr ispell-tex-skip-alists)))
       (dolist (x skip)
-       (cl-pushnew x envs :test #'equal))
+        (cl-pushnew x envs :test #'equal))
       (setq ispell-tex-skip-alists (list raws envs)))))
 
 (defun TeX-ispell-tex-arg-end (&optional arg1 arg2 arg3)
@@ -6489,30 +6489,30 @@ following.  Omitting argument means 1.
 Here some examples for additions to `ispell-tex-skip-alists':
 
   \\begin{tabularx}{300pt}[t]{lrc} ...
-               ARG  1    2   3
+                ARG  1    2   3
   (\"tabularx\" TeX-ispell-tex-arg-end) or equivalent
   (\"tabularx\" TeX-ispell-tex-arg-end 1 1 1)
 
   \\fontspec{font name}[font features]
-              ARG1         ARG2        ARG3=0
+               ARG1         ARG2        ARG3=0
   (\"\\\\\\\\fontspec\" TeX-ispell-tex-arg-end 1 1 0)
 
   \\raisebox{lift}[height][depth]{contents}
-           ARG1       ARG2       ARG3=0 (checked by Ispell)
+            ARG1       ARG2       ARG3=0 (checked by Ispell)
   (\"\\\\\\\\raisebox\" TeX-ispell-tex-arg-end 1 2 0)
 
 Optional arguments before the first mandatory one are all
 skipped."
   (condition-case nil
       (progn
-       (while (looking-at "[ \t\n]*\\[") (forward-sexp))
-       (forward-sexp (or arg1 1))
-       (let ((num 0))
-         (while (and (looking-at "[ \t\n]*\\[")
-                     (< num (or arg2 1)))
-           (setq num (1+ num))
-           (forward-sexp)))
-       (forward-sexp (or arg3 1)))
+        (while (looking-at "[ \t\n]*\\[") (forward-sexp))
+        (forward-sexp (or arg1 1))
+        (let ((num 0))
+          (while (and (looking-at "[ \t\n]*\\[")
+                      (< num (or arg2 1)))
+            (setq num (1+ num))
+            (forward-sexp)))
+        (forward-sexp (or arg3 1)))
     (error
      (message "Error skipping s-expressions at point %d" (point))
      (sit-for 2))))
@@ -6527,19 +6527,19 @@ in `TeX-ispell-verb-delimiters' or in braces, otherwise 
raises an
 error."
   (condition-case nil
       (progn
-       (when (looking-at "[ \t\n]*\\[") (forward-sexp))
-       (when (and arg (looking-at "{"))
-         (forward-sexp arg))
-       (cond ((looking-at (concat "[" TeX-ispell-verb-delimiters "]"))
-              (forward-char)
-              (skip-chars-forward (concat "^" (string (char-before))))
-              (forward-char))
-             ((looking-at "{")
-              (forward-sexp))
-             (t (error nil))))
+        (when (looking-at "[ \t\n]*\\[") (forward-sexp))
+        (when (and arg (looking-at "{"))
+          (forward-sexp arg))
+        (cond ((looking-at (concat "[" TeX-ispell-verb-delimiters "]"))
+               (forward-char)
+               (skip-chars-forward (concat "^" (string (char-before))))
+               (forward-char))
+              ((looking-at "{")
+               (forward-sexp))
+              (t (error nil))))
     (error
      (message "Verbatim delimiter is not one of %s"
-             (split-string TeX-ispell-verb-delimiters "" t))
+              (split-string TeX-ispell-verb-delimiters "" t))
      (sit-for 2))))
 
 ;;; Abbrev mode
@@ -6547,13 +6547,13 @@ error."
 (defmacro TeX-abbrev-mode-setup (mode)
   "Set up the abbrev table and variable for MODE."
   (let ((symbol (intern (concat (symbol-name mode) "-abbrev-table")))
-       (name (TeX-mode-prefix mode)))
+        (name (TeX-mode-prefix mode)))
     `(progn
        (defvar ,symbol nil
-        ,(format "Abbrev table for %s mode." name))
+         ,(format "Abbrev table for %s mode." name))
        (define-abbrev-table ',symbol nil)
        (when (fboundp 'abbrev-table-put)
-        (abbrev-table-put ,symbol :parents (list text-mode-abbrev-table))))))
+         (abbrev-table-put ,symbol :parents (list text-mode-abbrev-table))))))
 
 
 ;;; Special provisions for other modes and libraries
@@ -6564,10 +6564,10 @@ error."
   '(progn
      (dolist (elt '(TeX-master))
        (unless (member elt (default-value 'desktop-locals-to-save))
-        (setq-default desktop-locals-to-save
-                      (cons elt (default-value 'desktop-locals-to-save)))))
+         (setq-default desktop-locals-to-save
+                       (cons elt (default-value 'desktop-locals-to-save)))))
      (add-hook 'desktop-after-read-hook '(lambda ()
-                                          (TeX-set-mode-name t)))))
+                                           (TeX-set-mode-name t)))))
 
 ;; delsel.el, `delete-selection-mode'
 (put 'TeX-newline 'delete-selection t)
@@ -6581,20 +6581,20 @@ error."
 ;; dynamicity has been introduced in Emacs 24.3, for previous versions keep
 ;; `TeX-insert-dollar' without this property.
 (if (or (> emacs-major-version 24)
-       (and (= emacs-major-version 24)
-            (>= emacs-minor-version 3)))
+        (and (= emacs-major-version 24)
+             (>= emacs-minor-version 3)))
     (put 'TeX-insert-dollar 'delete-selection
-        (lambda () (null TeX-electric-math))))
+         (lambda () (null TeX-electric-math))))
 
 (defun TeX--list-of-string-p (lst)
   "Return non-nil iff `LST' is a list of strings.
 Used as function for validating a variable's `safe-local-variable' property."
   (and (listp lst)
        (let ((all-strings t))
-        (while (and all-strings lst)
-          (setq all-strings (stringp (car lst)))
-          (setq lst (cdr lst)))
-        all-strings)))
+         (while (and all-strings lst)
+           (setq all-strings (stringp (car lst)))
+           (setq lst (cdr lst)))
+         all-strings)))
 
 ;; add-log.el: This function is a variation of
 ;; `tex-current-defun-name' defined in `tex-mode.el'.  In `latex.el',
@@ -6619,7 +6619,7 @@ Used as function for validating a variable's 
`safe-local-variable' property."
       (when (re-search-backward
              (if (local-variable-p 'LaTeX-section-label)
                  (concat "\\\\"
-                        (regexp-opt
+                         (regexp-opt
                           (remove "part" (mapcar #'car LaTeX-section-label)))
                          "\\*?")
                "\\\\\\(sub\\)*\\(section\\|paragraph\\|chapter\\)\\*?")

-----------------------------------------------------------------------

Summary of changes:
 tex.el | 4380 ++++++++++++++++++++++++++++++++--------------------------------
 1 file changed, 2192 insertions(+), 2188 deletions(-)


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