GNU bug report logs - #24691
11.89.5; AucTex mode creates 2 separate buffers for the same master Tex file

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Ta Quang Trung <taquangtrungvn <at> yahoo.com>
To: "bug-auctex <at> gnu.org" <bug-auctex <at> gnu.org>
Subject: 11.89.5; AucTex mode creates 2 separate buffers for the same master
 Tex file
Date: Fri, 14 Oct 2016 07:05:16 +0000 (UTC)

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Remember to cover the basics, that is, what you expected to happen andwhat in fact did happen.
Be sure to consult the FAQ section in the manual before submittinga bug report.  In addition check if the bug is reproducable with anup-to-date version of AUCTeX.  So please upgrade to the versionavailable from http://www.gnu.org/software/auctex/ if yourinstallation is older than the one available from the web site.
If the bug is triggered by a specific (La)TeX file, you should tryto produce a minimal sample file showing the problem and include itin your report.
Your report will be posted for the auctex package at the GNU bugtracker.  Visit http://debbugs.gnu.org/cgi/pkgreport.cgi?pkg=auctexto browse existing AUCTeX bugs.------------------------------------------------------------------------
** Description
AucTex mode creates 2 separate buffers for the same master file
** Reproduction guide
Start EmacsOpen the master file of a Latex project. Suppose the master Tex file is main.tex, and at the end of the file, it contains these comments to indicate it as the master file.%%% Local Variables:%%% mode: latex%%% TeX-master: "main"%%% End:
** Observed behaviour:
Two separate buffers are created for the same file main.tex.As indicated in the attached picture, there are two buffers main.tex<fm16> and main.tex. Note that fm16 is the folder containing the file main.tex
** Expected behaviour:Only 1 buffer should be created for the master Tex file
Emacs  : GNU Emacs 24.5.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.10.8) of 2016-08-26 on leoPackage: 11.89.5
current state:==============(setq AUCTeX-date "2016-09-01" window-system 'x LaTeX-version "2e" TeX-style-path '("~/.emacs.d/auctex" "/home/trungtq/.emacs.d/elpa/auctex-11.89.5/style"                  "/home/trungtq/.emacs.d/auctex/auto"                  "/home/trungtq/.emacs.d/auctex/style" "auto" "style") TeX-auto-save t TeX-parse-self t TeX-master "main" TeX-command-list '(("Make" "make" TeX-run-compile nil t)                    ("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" "amstex %(PDFout) %(extraopts) %`%S%(mode)%' %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 %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-dvips t t :help                     "Generate PostScript file")                    ("Dvips" "%(o?)dvips %d -o %f " TeX-run-dvips nil t :help                     "Convert DVI file to PostScript")                    ("Dvipdfmx" "dvipdfmx %d" TeX-run-dvipdfmx nil t :help                     "Convert DVI file to PDF with dvipdfmx")                    ("Ps2pdf" "ps2pdf %f" TeX-run-ps2pdf nil t :help                     "Convert PostScript file to PDF")                    ("Index" "makeindex %s" TeX-run-index nil t :help                     "Run makeindex to 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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Message #10 received at 24691-close <at> debbugs.gnu.org (full text, mbox):

From: Tassilo Horn <tsdh <at> gnu.org>
To: Ta Quang Trung <taquangtrungvn <at> yahoo.com>
Cc: 24691-close <at> debbugs.gnu.org
Subject: Re: bug#24691: 11.89.5;
 AucTex mode creates 2 separate buffers for the same master Tex file
Date: Fri, 14 Oct 2016 22:35:46 +0200

Ta Quang Trung <taquangtrungvn <at> yahoo.com> writes:

Hi!

> AucTex mode creates 2 separate buffers for the same master file
>
> ** Reproduction guide
>
> Start Emacs
> Open the master file of a Latex project. Suppose the master Tex file
> is main.tex, and at the end of the file, it contains these comments to
> indicate it as the master file.
>
> %%% Local Variables:
> %%% mode: latex
> %%% TeX-master: "main"
> %%% End:

The master file should appoint itself as master file using

%%% Local Variables:
%%% TeX-master: t
%%% End:

i.e., it doesn't state its name as a string but just t (true, I am the
Master).

Bye,
Tassilo

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