GNU bug report logs - #22504
2014-11-01; RefTeX fails to find \input unless it is at the beginning of the line

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

From: post <at> ralfj.de
To: bug-auctex <at> gnu.org
Subject: 2014-11-01;
 RefTeX fails to find \input unless it is at the beginning of the line
Date: Sun, 31 Jan 2016 18:47:01 +0100

Dear developers,

The main file of my LaTeX document is mostly just a wrapper that
includes the actual content:

  \clearpage \input{algebra}
  \clearpage\input{constructions}
  \clearpage
  \input{logic}
  \clearpage
  \input{model}
  \clearpage
  \input{derived}

I would expect RefTeX to properly follow the \input commands, and find
sections and labels in all the files. However, RefTeX only sees the
sections and labels from logic, model and derived - the ones from
algebra and constructions are missing. It seems that following \input
only works if that command is right at the beginning of the file.

Kind regards,
Ralf

Emacs  : GNU Emacs 24.5.1 (x86_64-pc-linux-gnu, GTK+ Version 3.18.6)
 of 2016-01-22 on binet, modified by Debian
Package: 2014-11-01

current state:
==============
(setq
 AUCTeX-date "2014-11-01"
 window-system 'x
 LaTeX-version "2e"
 TeX-style-path '("/var/lib/auctex/emacs24/" "/usr/share/emacs/site-lisp/auctex/style"
                  "/home/r/.emacs.d/auctex/auto" "/home/r/.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)%' %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"))
 )

Message #8 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Arash Esbati <esbati <at> gmx.de>
To: bug-auctex <at> gnu.org
Subject: Re: bug#22504: 2014-11-01;
 RefTeX fails to find \input unless it is at the beginning of the line
Date: Mon, 01 Feb 2016 22:50:37 +0100

post <at> ralfj.de writes:

> The main file of my LaTeX document is mostly just a wrapper that
> includes the actual content:
>
>   \clearpage \input{algebra}
>   \clearpage\input{constructions}
>   \clearpage
>   \input{logic}
>   \clearpage
>   \input{model}
>   \clearpage
>   \input{derived}
>
> I would expect RefTeX to properly follow the \input commands, and find
> sections and labels in all the files. However, RefTeX only sees the
> sections and labels from logic, model and derived - the ones from
> algebra and constructions are missing. It seems that following \input
> only works if that command is right at the beginning of the file.

This is a documented feature of RefTeX:

,----
| 6.9 Problems and Work-arounds
| 
|     LaTeX commands
|     \input, \include, and \section (etc.) statements have to be first on
|     a line (except for white space).
| 
| http://www.gnu.org/software/auctex/manual/reftex.html#SEC54
`----

Move \input{algebra} and \input{constructions} into single lines and
you should be done.

Best, Arash

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