bug#54943: closed (13.1.2; \iff messes up indentation in math mode)

[GNU bug Tracking System]

Your message dated Sat, 16 Apr 2022 17:45:46 +0200
with message-id <86o811niad.fsf@gnu.org>
and subject line Re: bug#54943: 13.1.2; \iff messes up indentation in math mode
has caused the debbugs.gnu.org bug report #54943,
regarding 13.1.2; \iff messes up indentation in math mode
to be marked as done.

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54943: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=54943
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> --- Begin Message ---
>
>
>
> Subject: 
>
> 13.1.2; \iff messes up indentation in math mode
>
>
>
>
> Date: 
>
> Thu, 14 Apr 2022 11:00:56 -0700
>
>
>
>
> Hi there,
>
> As the title suggests, \iff used in math mode will increase indentation
> level while it is not supposed to behave like this. I have briefly
> skimmed through the code and it seems to be related to the new function
> LaTeX-indent-commands-regexp-make introduced in 0ce906c. The relevant
> code is:
>
> (funcall func
>               LaTeX-indent-begin-list
>               "if[a-zA-Z@]*\\b"
>               'LaTeX-indent-begin-regexp-local)
>
> Best,
> Ruiyang
>
> Emacs  : GNU Emacs 28.1 (build 1, aarch64-apple-darwin21.4.0, Carbon Version 
> 165 AppKit 2113.4)
>  of 2022-04-09
> Package: 13.1.2
>
> current state:
> ==============
> (setq
>  AUCTeX-date "2022-04-08"
>  window-system 'mac
>  LaTeX-version "2e"
>  TeX-style-path '("~/.emacs.d/auctex" 
> "/Users/ruiyangwu/.emacs.d/elpa/auctex-13.1.2/style"
>                   "/Users/ruiyangwu/.emacs.d/auctex/auto" 
> "/Users/ruiyangwu/.emacs.d/auctex/style"
>                   "auto" "style")
>  TeX-auto-save t
>  TeX-parse-self t
>  TeX-master t
>  TeX-command-list '(("TeX"
>                      "%(PDF)%(tex) %(file-line-error) %`%(extraopts) 
> %S%(PDFout)%(mode)%' %(output-dir) %t"
>                      TeX-run-TeX nil (plain-tex-mode ams-tex-mode texinfo-mode) 
> :help
>                      "Run plain TeX")
>                     ("LaTeX" "%`%l%(mode)%' %T" TeX-run-TeX nil (latex-mode 
> doctex-mode) :help
>                      "Run LaTeX")
>                     ("Makeinfo" "makeinfo %(extraopts) %(o-dir) %t" 
> TeX-run-compile nil
>                      (texinfo-mode) :help "Run Makeinfo with Info output")
>                     ("Makeinfo HTML" "makeinfo %(extraopts) %(o-dir) --html %t" 
> TeX-run-compile nil
>                      (texinfo-mode) :help "Run Makeinfo with HTML output")
>                     ("AmSTeX" "amstex %(PDFout) %`%(extraopts) %S%(mode)%' 
> %(output-dir) %t"
>                      TeX-run-TeX nil (ams-tex-mode) :help "Run AMSTeX")
>                     ("ConTeXt" "%(cntxcom) --once --texutil %(extraopts) 
> %(execopts)%t" TeX-run-TeX
>                      nil (context-mode) :help "Run ConTeXt once")
>                     ("ConTeXt Full" "%(cntxcom) %(extraopts) %(execopts)%t" 
> TeX-run-TeX nil
>                      (context-mode) :help "Run ConTeXt until completion")
>                     ("BibTeX" "bibtex %(O?aux)" TeX-run-BibTeX nil
>                      (plain-tex-mode latex-mode doctex-mode ams-tex-mode 
> texinfo-mode context-mode)
>                      :help "Run BibTeX")
>                     ("Biber" "biber %(output-dir) %s" TeX-run-Biber nil
>                      (plain-tex-mode latex-mode doctex-mode ams-tex-mode 
> texinfo-mode) :help
>                      "Run Biber")
>                     ("Texindex" "texindex %s.??" TeX-run-command nil 
> (texinfo-mode) :help
>                      "Run Texindex")
>                     ("Texi2dvi" "%(PDF)texi2dvi %t" TeX-run-command nil 
> (texinfo-mode) :help
>                      "Run Texi2dvi or Texi2pdf")
>                     ("View" "%V" TeX-run-discard-or-function t t :help "Run 
> Viewer")
>                     ("Print" "%p" TeX-run-command t t :help "Print the file")
>                     ("Queue" "%q" TeX-run-background nil t :help "View the 
> printer queue" :visible
>                      TeX-queue-command)
>                     ("File" "%(o?)dvips %d -o %f " TeX-run-dvips t
>                      (plain-tex-mode latex-mode doctex-mode ams-tex-mode 
> texinfo-mode) :help
>                      "Generate PostScript file")
>                     ("Dvips" "%(o?)dvips %d -o %f " TeX-run-dvips nil
>                      (plain-tex-mode latex-mode doctex-mode ams-tex-mode 
> texinfo-mode) :help
>                      "Convert DVI file to PostScript")
>                     ("Dvipdfmx" "dvipdfmx -o %(O?pdf) %d" TeX-run-dvipdfmx nil
>                      (plain-tex-mode latex-mode doctex-mode ams-tex-mode 
> texinfo-mode) :help
>                      "Convert DVI file to PDF with dvipdfmx")
>                     ("Ps2pdf" "ps2pdf %f %(O?pdf)" TeX-run-ps2pdf nil
>                      (plain-tex-mode latex-mode doctex-mode ams-tex-mode 
> texinfo-mode) :help
>                      "Convert PostScript file to PDF")
>                     ("Glossaries" "makeglossaries %(d-dir) %s" TeX-run-command 
> nil
>                      (plain-tex-mode latex-mode doctex-mode ams-tex-mode 
> texinfo-mode) :help
>                      "Run makeglossaries to create glossary file")
>                     ("Index" "makeindex %(O?idx)" TeX-run-index nil
>                      (plain-tex-mode latex-mode doctex-mode ams-tex-mode 
> texinfo-mode) :help
>                      "Run makeindex to create index file")
>                     ("upMendex" "upmendex %(O?idx)" TeX-run-index t
>                      (plain-tex-mode latex-mode doctex-mode ams-tex-mode 
> texinfo-mode) :help
>                      "Run upmendex to create index file")
>                     ("Xindy" "texindy %s" TeX-run-command nil
>                      (plain-tex-mode latex-mode doctex-mode ams-tex-mode 
> texinfo-mode) :help
>                      "Run xindy to create index file")
>                     ("Check" "lacheck %s" TeX-run-compile nil (latex-mode) :help
>                      "Check LaTeX file for correctness")
>                     ("ChkTeX" "chktex -v6 %s" TeX-run-compile nil (latex-mode) 
> :help
>                      "Check LaTeX file for common mistakes")
>                     ("Spell" "(TeX-ispell-document \"\")" TeX-run-function nil 
> t :help
>                      "Spell-check the document")
>                     ("Clean" "TeX-clean" TeX-run-function nil t :help
>                      "Delete generated intermediate files")
>                     ("Clean All" "(TeX-clean t)" TeX-run-function nil t :help
>                      "Delete generated intermediate and output files")
>                     ("Other" "" TeX-run-command t t :help "Run an arbitrary 
> command"))
>  )
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#54943: 13.1.2; \iff messes up indentation in math mode
>
>
>
>
> Date: 
>
> Sat, 16 Apr 2022 17:45:46 +0200
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/29.0.50
>
>
>
>
> Hi Ruiyang,
>
> Ruiyang Wu <ywwry66@gmail.com> writes:
>
> > As the title suggests, \iff used in math mode will increase indentation
> > level while it is not supposed to behave like this. I have briefly
> > skimmed through the code and it seems to be related to the new function
> > LaTeX-indent-commands-regexp-make introduced in 0ce906c. The relevant
> > code is:
> >
> > (funcall func
> >               LaTeX-indent-begin-list
> >               "if[a-zA-Z@]*\\b"
> >               'LaTeX-indent-begin-regexp-local)
>
> Thanks for reporting this.  Indeed, an entry if 'iff' was missing in the
> function you mentioned above.  I've fixed this issue now (fa547aa71e)
> which will be available with the next release.  Please don't hesitate to
> report if other macros are still missing.
>
> I'm closing this report.
>
> Best, Arash
>
>
> --- End Message ---