GNU bug report logs - #20513
11.88.5; TeX-view-program-list generated in wrong format by Customize

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From: Дарио Ѓорѓевски
 <gjorgjevski.dario <at> yandex.com>
To: 20513 <at> debbugs.gnu.org
Subject: bug#20513: 11.88.5; TeX-view-program-list generated in wrong format by Customize
Date: Wed, 06 May 2015 10:42:58 +0200

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 http://www.gnu.org/software/auctex/ 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
to produce a minimal sample file showing the problem and include it
in your report.

Your report will be posted for the auctex package at the GNU bug
tracker.  Visit http://debbugs.gnu.org/cgi/pkgreport.cgi?pkg=auctex
to browse existing AUCTeX bugs.
------------------------------------------------------------------------

Consider the following customization of the TeX-view-program-list
variable: http://i.imgur.com/xP6Cx5k.png
The generated Lisp expression looks like so:
'(("SumatraPDF"
   (("SumatraPDF.exe"
     (mode-io-correlate " -forward-search %b %n")
     " %o"))
   "SumatraPDF.exe"))

This causes TeX-view-command-raw (tex.el, line 1354) to go into an
*infinite loop*. I do not know why the infinite loop occurs, however, I
know that changing

(dolist (elt car spec)
to
(dolist (elt (car spec))

solves the issue. This is because there are double parens around the
command line. Changing them manually to a single pair of parens solves
the problem, too.

Emacs  : GNU Emacs 25.0.50.1 (x86_64-w64-mingw32)
 of 2015-04-24 on CAB8
Package: 11.88.5

current state:
==============
(setq
 AUCTeX-date "2015-05-01"
 window-system 'w32
 LaTeX-version "2e"
 TeX-style-path '("~/.emacs.d/auctex" "c:/Users/gjorg_000/.emacs.d/elpa/auctex-11.88.5/style"
                  "c:/Users/gjorg_000/.emacs.d/auctex/auto" "c:/Users/gjorg_000/.emacs.d/auctex/style" "auto" "style")
 TeX-auto-save nil
 TeX-parse-self nil
 TeX-master t
 TeX-command-list '(("TeX" "%(PDF)%(tex) %(file-line-error) %(extraopts) %`%S%(PDFout)%(mode)%' %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) %t" TeX-run-compile nil (texinfo-mode) :help "Run Makeinfo with Info output")
                    ("Makeinfo HTML" "makeinfo %(extraopts) --html %t" TeX-run-compile nil (texinfo-mode) :help
                     "Run Makeinfo with HTML output")
                    ("AmSTeX" "%(PDF)amstex %(extraopts) %`%S%(PDFout)%(mode)%' %t" TeX-run-TeX nil (ams-tex-mode) :help "Run AMSTeX")
                    ("ConTeXt" "texexec --once --texutil %(extraopts) %(execopts)%t" TeX-run-TeX nil (context-mode) :help
                     "Run ConTeXt once")
                    ("ConTeXt Full" "texexec %(extraopts) %(execopts)%t" TeX-run-TeX nil (context-mode) :help
                     "Run ConTeXt until completion")
                    ("BibTeX" "bibtex %s" TeX-run-BibTeX nil t :help "Run BibTeX")
                    ("Biber" "biber %s" TeX-run-Biber nil t :help "Run Biber")
                    ("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-command t t :help "Generate PostScript file")
                    ("Index" "makeindex %s" TeX-run-command nil t :help "Create index file")
                    ("Xindy" "texindy %s" TeX-run-command nil t :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"))
 )

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