GNU bug report logs - #21401
11.88.6; Incorrect detection of TeX variant

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

From: Jonathan Underwood <jonathan.underwood <at> gmail.com>
To: bug-auctex <at> gnu.org
Subject: 11.88.6; Incorrect detection of TeX variant
Date: Wed, 2 Sep 2015 13:29:57 +0100

The following simple file results in AucTeX assuming the compiler to
run is AmS-TeX which no longer exists on most machines.


\documentclass[11pt]{article}
 \usepackage{basicart1}
\begin{document}

\Document{DocNum}{\today}
\Title{Title of an Article}
{
  \makebox[0.20\textwidth][c]{
     Name of the Author
  }
}
{
  \makebox[0.17\textwidth][c]{%
%    \footnotesize author <at> email.address
  }
}
{%
  Short Title
}
{%
  Short Author
}
\end{document}



Emacs  : GNU Emacs 24.5.1 (x86_64-redhat-linux-gnu, GTK+ Version 3.16.2)
 of 2015-04-22 on buildhw-10.phx2.fedoraproject.org
Package: 11.88.6

current state:
==============
(setq
 AUCTeX-date "2015-05-08"
 window-system 'x
 LaTeX-version "2e"
 TeX-style-path '("~/.emacs.d/auctex"
          "/home/jgu/.emacs.d/elpa/auctex-11.88.6/style"
          "/home/jgu/.emacs.d/auctex/auto"
          "/home/jgu/.emacs.d/auctex/style" "auto" "style")
 TeX-auto-save t
 TeX-parse-self t
 TeX-master nil
 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 21401 <at> debbugs.gnu.org (full text, mbox):

From: Matthew Saltzman <mjs <at> clemson.edu>
To: "21401 <at> debbugs.gnu.org" <21401 <at> debbugs.gnu.org>
Subject: Incorrect detection of TeX variant
Date: Wed, 2 Sep 2015 16:40:45 +0000

It's not so much that AmS-TeX is detected, as the amstex processor is
still part of TeXLive (and I presume other distributions as well), but
when AmS-TeX is detected and the option to produce PDF output is
selected, the command that is invoked is pdfamstex, which does not
exist at all, anywhere.
-- 
Matthew Saltzman
Clemson University Math Sciences
mjs AT clemson DOT edu

Message #11 received at 21401 <at> debbugs.gnu.org (full text, mbox):

From: Tassilo Horn <tsdh <at> gnu.org>
To: Jonathan Underwood <jonathan.underwood <at> gmail.com>
Cc: 21401 <at> debbugs.gnu.org
Subject: Re: bug#21401: 11.88.6; Incorrect detection of TeX variant
Date: Thu, 03 Sep 2015 07:54:00 +0200

Jonathan Underwood <jonathan.underwood <at> gmail.com> writes:

> The following simple file results in AucTeX assuming the compiler to
> run is AmS-TeX which no longer exists on most machines.
>
> \documentclass[11pt]{article}
>  \usepackage{basicart1}
> \begin{document}
>
> \Document{DocNum}{\today}

I think this line is the culprit.  AmS-TeX is detected by something
matching the regex "\\\\document\\b" near the beginning of the document
(see `TeX-format-list').

I don't know AmS-TeX at all but I think the regexes in `TeX-format-list'
should be matched case-sensitively (they are currently not), no?  And
then your \Document wouldn't be matched.

Matthew Saltzman <mjs <at> clemson.edu> writes:

> It's not so much that AmS-TeX is detected, as the amstex processor is
> still part of TeXLive (and I presume other distributions as well), but
> when AmS-TeX is detected and the option to produce PDF output is
> selected, the command that is invoked is pdfamstex, which does not
> exist at all, anywhere.

I guess we should use amstex -output-format=pdf then, right?

Bye,
Tassilo

Message #14 received at 21401 <at> debbugs.gnu.org (full text, mbox):

From: Tassilo Horn <tsdh <at> gnu.org>
To: Jonathan Underwood <jonathan.underwood <at> gmail.com>,
 Matthew Saltzman <mjs <at> clemson.edu>
Cc: 21401 <at> debbugs.gnu.org
Subject: Re: bug#21401: 11.88.6; Incorrect detection of TeX variant
Date: Thu, 03 Sep 2015 08:31:45 +0200

Tassilo Horn <tsdh <at> gnu.org> writes:

Hi Jonathan & Matthew,

>> The following simple file results in AucTeX assuming the compiler to
>> run is AmS-TeX which no longer exists on most machines.
>>
>> \documentclass[11pt]{article}
>>  \usepackage{basicart1}
>> \begin{document}
>>
>> \Document{DocNum}{\today}
>
> I think this line is the culprit.  AmS-TeX is detected by something
> matching the regex "\\\\document\\b" near the beginning of the document
> (see `TeX-format-list').
>
> I don't know AmS-TeX at all but I think the regexes in `TeX-format-list'
> should be matched case-sensitively (they are currently not), no?  And
> then your \Document wouldn't be matched.
>
> Matthew Saltzman <mjs <at> clemson.edu> writes:
>
>> It's not so much that AmS-TeX is detected, as the amstex processor is
>> still part of TeXLive (and I presume other distributions as well), but
>> when AmS-TeX is detected and the option to produce PDF output is
>> selected, the command that is invoked is pdfamstex, which does not
>> exist at all, anywhere.
>
> I guess we should use amstex -output-format=pdf then, right?

I've committed the following patch to the git master.  Could you please
try it out and report back if that fixes the issues (i.e., the wrong
detection of AMS-TeX, and the nonexisting command when trying to process
a real AMS-TeX document with TeX-PDF-mode enabled)?

--8<---------------cut here---------------start------------->8---
References: master origin/master origin/HEAD
Author:     Tassilo Horn <tsdh <at> gnu.org>
AuthorDate: Thu Sep 3 08:26:50 2015 +0200
Commit:     Tassilo Horn <tsdh <at> gnu.org>
CommitDate: Thu Sep 3 08:26:50 2015 +0200

    Case-sensitive mode detection + AMS-TeX fixes
    
    * tex.el (TeX-tex-mode): Don't ignore case when matching the
    TeX-format-list regexes.
    (TeX-expand-list): Add expansion of %(PDFout) to -output-format
    option for AmS-TeX.
    (TeX-command-list): Use it instead of calling the non-existing
    pdfamstex command.

1 parent commit, 1 merged branch, 2 containing branches
 Parent     | 66b97ff Don't add font-latex-setup to latex-mode-hook
 Merged     | master
 Containing | master simplify-TeX-parse-error
 Follows    | release_11_88 (170)

2 files changed, 16 insertions(+), 3 deletions(-)
 ChangeLog |  9 +++++++++
 tex.el    | 10 +++++++---

modified   ChangeLog
@@ -1,3 +1,12 @@
+2015-09-03  Tassilo Horn  <tsdh <at> gnu.org>
+
+	* tex.el (TeX-tex-mode): Don't ignore case when matching the
+	TeX-format-list regexes.
+	(TeX-expand-list): Add expansion of %(PDFout) to -output-format
+	option for AmS-TeX.
+	(TeX-command-list): Use it instead of calling the non-existing
+	pdfamstex command.
+
 2015-09-02  Tassilo Horn  <tsdh <at> gnu.org>
 
 	* font-latex.el: Remove code which set up font-latex for use with
modified   tex.el
@@ -132,7 +132,7 @@ If nil, none is specified."
      (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"
+    ("AmSTeX" "amstex %(PDFout) %(extraopts) %`%S%(mode)%' %t"
      TeX-run-TeX nil (ams-tex-mode) :help "Run AMSTeX")
     ;; support for ConTeXt  --pg
     ;; first version of ConTeXt to support nonstopmode: 2003.2.10
@@ -455,7 +455,11 @@ string."
 		    "pdf"
 		  "")))
     ("%(PDFout)" (lambda ()
-		   (cond ((and (eq TeX-engine 'xetex)
+		   (cond ((eq major-mode 'ams-tex-mode)
+			  (if TeX-PDF-mode
+			      " -output-format=pdf"
+			    " -output-format=dvi"))
+			 ((and (eq TeX-engine 'xetex)
 			       (not TeX-PDF-mode))
 			  " -no-pdf")
 			 ((and (eq TeX-engine 'luatex)
@@ -3398,7 +3402,7 @@ The algorithm is as follows:
 		       (regexp-quote TeX-esc)
 		       "\\)*\\)\\(%+ *\\)"))
 		     (entry TeX-format-list)
-		     answer)
+		     answer case-fold-search)
 		 (while (and entry (not answer))
 		   (if (re-search-forward (nth 2 (car entry))
 					  10000 t)
--8<---------------cut here---------------end--------------->8---

Bye,
Tassilo

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