bug#72241: 31.0.50; [PATCH] Use a dedicated buffer for `doc-view-open-text'

[Manuel Giraud]

Hi,

Here is a patch for DocView that makes it use a dedicated buffer for the
text representation of a document.  This is what was suggested by Stefan
M. in a comment (circa 2019).

0001-Use-a-dedicated-buffer-for-doc-view-open-text.patch
Description: Text Data

In GNU Emacs 31.0.50 (build 27, x86_64-unknown-openbsd7.5) of 2024-07-22
 built on computer
Repository revision: 03d83f95c9a6502bf6b85d0b14e47022cf29bd3d
Repository branch: mgi/doc-view
Windowing system distributor 'The X.Org Foundation', version 11.0.12101013
System Description: OpenBSD computer 7.5 GENERIC.MP#198 amd64

Configured using:
 'configure CC=egcc CPPFLAGS=-I/usr/local/include
 LDFLAGS=-L/usr/local/lib MAKEINFO=gmakeinfo --prefix=/home/manuel/emacs
 --bindir=/home/manuel/bin --with-x-toolkit=no --without-cairo
 --without-compress-install'

Configured features:
DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG LCMS2 LIBOTF
LIBXML2 MODULES NOTIFY KQUEUE OLDXMENU PDUMPER PNG RSVG SQLITE3 THREADS
TIFF TREE_SITTER WEBP X11 XDBE XFT XIM XINPUT2 XPM ZLIB

Important settings:
  value of $LC_CTYPE: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Diff

Minor modes in effect:
  whitespace-mode: t
  display-time-mode: t
  display-battery-mode: t
  desktop-save-mode: t
  exwm-randr-mode: t
  server-mode: t
  electric-pair-mode: t
  override-global-mode: t
  repeat-mode: t
  global-eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  minibuffer-regexp-mode: t
  line-number-mode: t
  indent-tabs-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
/home/manuel/prog/elisp/exwm/exwm-randr hides 
/home/manuel/.emacs.d/elpa/exwm-0.31/exwm-randr
/home/manuel/prog/elisp/exwm/exwm hides 
/home/manuel/.emacs.d/elpa/exwm-0.31/exwm
/home/manuel/prog/elisp/exwm/exwm-xsettings hides 
/home/manuel/.emacs.d/elpa/exwm-0.31/exwm-xsettings
/home/manuel/prog/elisp/exwm/exwm-xim hides 
/home/manuel/.emacs.d/elpa/exwm-0.31/exwm-xim
/home/manuel/prog/elisp/exwm/exwm-workspace hides 
/home/manuel/.emacs.d/elpa/exwm-0.31/exwm-workspace
/home/manuel/prog/elisp/exwm/exwm-systemtray hides 
/home/manuel/.emacs.d/elpa/exwm-0.31/exwm-systemtray
/home/manuel/prog/elisp/exwm/exwm-manage hides 
/home/manuel/.emacs.d/elpa/exwm-0.31/exwm-manage
/home/manuel/prog/elisp/exwm/exwm-layout hides 
/home/manuel/.emacs.d/elpa/exwm-0.31/exwm-layout
/home/manuel/prog/elisp/exwm/exwm-input hides 
/home/manuel/.emacs.d/elpa/exwm-0.31/exwm-input
/home/manuel/prog/elisp/exwm/exwm-floating hides 
/home/manuel/.emacs.d/elpa/exwm-0.31/exwm-floating
/home/manuel/prog/elisp/exwm/exwm-core hides 
/home/manuel/.emacs.d/elpa/exwm-0.31/exwm-core
/home/manuel/prog/elisp/exwm/exwm-config hides 
/home/manuel/.emacs.d/elpa/exwm-0.31/exwm-config
/home/manuel/prog/elisp/exwm/exwm-background hides 
/home/manuel/.emacs.d/elpa/exwm-0.31/exwm-background
/home/manuel/.emacs.d/elpa/ef-themes-1.7.0/theme-loaddefs hides 
/home/manuel/emacs/share/emacs/31.0.50/lisp/theme-loaddefs

Features:
(shadow sort mail-extr smerge-mode diff whitespace pulse emacsbug imenu
display-line-numbers bookmark cal-china lunar solar cal-dst cal-bahai
cal-islam cal-hebrew cal-julian holidays holiday-loaddefs cal-iso
face-remap texinfo texinfo-loaddefs org-indent org-agenda flymake-cc
flymake warnings python conf-mode oc-basic org-element org-persist
org-id org-element-ast inline avl-tree ol-eww eww url-queue mm-url
ol-rmail ol-mhe ol-irc ol-info ol-gnus nnselect ol-docview doc-view
filenotify jka-compr image-mode exif ol-bibtex bibtex ol-bbdb ol-w3m
ol-doi org-link-doi gnus-icalendar org-capture org-refile org ob
ob-tangle ob-ref ob-lob ob-table ob-exp org-macro org-src ob-comint
org-pcomplete org-list org-footnote org-faces org-entities org-version
ob-emacs-lisp ob-core ob-eval org-cycle org-table ol org-fold
org-fold-core org-keys oc org-loaddefs org-compat org-macs vc-cvs vc-rcs
log-view pcvs-util make-mode view sh-script smie treesit executable
mule-util on-screen gnus-dired bug-reference vc-git diff-mode
track-changes vc-dir ewoc vc vc-dispatcher time battery cus-load desktop
frameset exwm-randr xcb-randr exwm exwm-input xcb-keysyms xcb-xkb
exwm-manage exwm-floating xcb-cursor xcb-render exwm-layout
exwm-workspace exwm-core xcb-ewmh xcb-icccm xcb xcb-xproto xcb-types
xcb-debug server ef-kassio-theme ef-themes modus-operandi-theme
modus-themes zone speed-type url-http url-auth url-gw nsm ytdious
mpdired transmission color calc-bin calc-ext calc calc-loaddefs rect
calc-macs supercite regi ebdb-gnus gnus-msg gnus-art mm-uu mml2015
mm-view mml-smime smime gnutls dig gnus-sum shr pixel-fill kinsoku
url-file svg dom gnus-group gnus-undo gnus-start gnus-dbus dbus xml
gnus-cloud nnimap nnmail mail-source utf7 nnoo gnus-spec gnus-int
gnus-range gnus-win ebdb-message message sendmail yank-media puny rfc822
mml mml-sec epa epg rfc6068 epg-config mm-decode mm-bodies mm-encode
mail-parse rfc2231 rfc2047 rfc2045 ietf-drums gmm-utils mailheader
ebdb-mua ebdb-com crm ebdb-format ebdb mailabbrev eieio-opt speedbar
ezimage dframe find-func eieio-base timezone icalendar gnus nnheader
gnus-util mail-utils range mm-util mail-prsvr wid-edit web-mode derived
disp-table erlang-start skeleton cc-mode cc-fonts cc-guess cc-menus
cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs slime-asdf grep
slime-tramp tramp rx trampver tramp-integration files-x tramp-message
tramp-compat xdg shell pcomplete parse-time iso8601 time-date
format-spec tramp-loaddefs slime-fancy slime-indentation slime-cl-indent
cl-indent slime-trace-dialog slime-fontifying-fu slime-package-fu
slime-references slime-compiler-notes-tree advice slime-scratch
slime-presentations bridge slime-macrostep macrostep compat
slime-mdot-fu slime-enclosing-context slime-fuzzy slime-fancy-trace
slime-fancy-inspector slime-c-p-c slime-editing-commands slime-autodoc
slime-repl slime-parse slime apropos compile text-property-search etags
fileloop generator xref project arc-mode archive-mode noutline outline
pp comint ansi-osc ansi-color ring hyperspec thingatpt elec-pair edmacro
kmacro use-package-bind-key bind-key appt diary-lib diary-loaddefs
cal-menu calendar cal-loaddefs pcase dired-x dired-aux dired
dired-loaddefs use-package-core repeat easy-mmode calfw-autoloads
calfw-cal-autoloads calfw-org-autoloads debbugs-autoloads ebdb-autoloads
cl-extra help-mode ef-themes-autoloads exwm-autoloads
hyperbole-autoloads kotl-autoloads hact set hhist on-screen-autoloads
osm-autoloads rust-mode-autoloads info slime-autoloads
macrostep-autoloads speed-type-autoloads transmission-autoloads
xelb-autoloads ytdious-autoloads package browse-url url url-proxy
url-privacy url-expand url-methods url-history url-cookie
generate-lisp-file url-domsuf url-util mailcap url-handlers url-parse
auth-source cl-seq eieio eieio-core cl-macs icons password-cache json
subr-x map byte-opt gv bytecomp byte-compile url-vars cl-loaddefs cl-lib
rmc iso-transl tooltip cconv eldoc paren electric uniquify ediff-hook
vc-hooks lisp-float-type elisp-mode mwheel term/x-win x-win
term/common-win x-dnd touch-screen tool-bar dnd fontset image regexp-opt
fringe tabulated-list replace newcomment text-mode lisp-mode prog-mode
register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select
scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors
frame minibuffer nadvice seq simple cl-generic indonesian philippine
cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech
european ethiopic indian cyrillic chinese composite emoji-zwj charscript
charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure
cl-preloaded button loaddefs theme-loaddefs faces cus-face macroexp
files window text-properties overlay sha1 md5 base64 format env
code-pages mule custom widget keymap hashtable-print-readable backquote
threads dbusbind kqueue lcms2 dynamic-setting system-font-setting
font-render-setting xinput2 x multi-tty move-toolbar
make-network-process emacs)

Memory information:
((conses 16 933704 633678) (symbols 48 53527 2)
 (strings 32 250981 60259) (string-bytes 1 6331174)
 (vectors 16 153303) (vector-slots 8 2126367 44503)
 (floats 8 1075 1790) (intervals 56 28683 309) (buffers 992 146))

-- 
Manuel Giraud