GNU bug report logs - #54943
13.1.2; \iff messes up indentation in math mode

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Arash Esbati <arash <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#54943: closed (13.1.2; \iff messes up indentation in math mode)
Date: Sat, 16 Apr 2022 15:47:01 +0000

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Your message dated Sat, 16 Apr 2022 17:45:46 +0200
with message-id <86o811niad.fsf <at> 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.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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54943: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=54943
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Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Ruiyang Wu <ywwry66 <at> gmail.com>
To: bug-auctex <at> gnu.org
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"
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		     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")
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		     nil (context-mode) :help "Run ConTeXt once")
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		     (plain-tex-mode latex-mode doctex-mode ams-tex-mode texinfo-mode) :help
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		    ("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
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		    ("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
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		    ("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"))
 )

[Message part 3 (message/rfc822, inline)]

From: Arash Esbati <arash <at> gnu.org>
To: Ruiyang Wu <ywwry66 <at> gmail.com>
Cc: 54943-done <at> debbugs.gnu.org
Subject: Re: bug#54943: 13.1.2; \iff messes up indentation in math mode
Date: Sat, 16 Apr 2022 17:45:46 +0200

Hi Ruiyang,

Ruiyang Wu <ywwry66 <at> 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

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