GNU bug report logs - #24668
11.89.5; Parse failure if long comment at head of file

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

From: Fran Burstall <feb <at> maths.bath.ac.uk>
To: bug-auctex <at> gnu.org
Subject: 11.89.5; Parse failure if long comment at head of file
Date: Tue, 11 Oct 2016 16:42:49 +0100

[Message part 1 (text/plain, inline)]

Greetings,

My LaTeX file starts with a long (59 line) comment
containing header information.

I noticed that the file was not being parsed and no style
file written to ./auto or read from there.

If I remove the header and do C-c C-n, parsing occurs as I
would expect.

If I put the \documentstyle line in line 1 of the file and
then the header, parsing also fails.

I suspect this must be a regression caused by a recent
change as I have not noticed this behaviour before.

Many thanks,

---Fran Burstall
------------------------------------------------------------------------



Emacs  : GNU Emacs 24.4.1 (x86_64-pc-linux-gnu, GTK+ Version 3.14.5)
 of 2015-03-07 on trouble, modified by Debian
Package: 11.89.5

current state:
==============
(setq
 AUCTeX-date "2016-09-01"
 window-system 'x
 LaTeX-version "2e"
 TeX-style-path '("~/.emacs.d/auctex"
"/u/c/feb/.emacs.d/elpa/auctex-11.89.5/style"
 "/u/c/feb/.emacs.d/auctex/auto" "/u/c/feb/.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" "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"))
 )

[Message part 2 (text/html, inline)]

Message #8 received at 24668 <at> debbugs.gnu.org (full text, mbox):

From: Mosè Giordano <mose <at> gnu.org>
To: feb <at> maths.bath.ac.uk
Cc: 24668 <at> debbugs.gnu.org
Subject: Re: bug#24668: 11.89.5; Parse failure if long comment at head of file
Date: Wed, 12 Oct 2016 01:23:05 +0200

Hi Fran,

2016-10-11 17:42 GMT+02:00 Fran Burstall <feb <at> maths.bath.ac.uk>:
> Greetings,
>
> My LaTeX file starts with a long (59 line) comment
> containing header information.
>
> I noticed that the file was not being parsed and no style
> file written to ./auto or read from there.
>
> If I remove the header and do C-c C-n, parsing occurs as I
> would expect.
>
> If I put the \documentstyle line in line 1 of the file and
> then the header, parsing also fails.
>
> I suspect this must be a regression caused by a recent
> change as I have not noticed this behaviour before.

Could you please show us minimal (non-)working examples of the
different cases you described?  I was not able to reproduce your
problem, but I'm not sure I got what you mean.

Bye,
Mosè

Message #11 received at 24668 <at> debbugs.gnu.org (full text, mbox):

From: Mosè Giordano <mose <at> gnu.org>
To: feb <at> maths.bath.ac.uk
Cc: "24668 <at> debbugs.gnu.org" <24668 <at> debbugs.gnu.org>
Subject: Re: bug#24668: 11.89.5; Parse failure if long comment at head of file
Date: Wed, 12 Oct 2016 10:29:35 +0200

Hi Fran,

2016-10-12 10:18 GMT+02:00 Fran Burstall <f.e.burstall <at> bath.ac.uk>:
> Hi Mosè,
>
> Here is such an example.
>
> I would expect auctex to parse this and write a style file to ./auto but,
> for me, it does not unless I remove the long comment at the start of the
> file.

Thank you.  I can't reproduce your problem.  For me, C-c C-n does
create the auto-generated file.  The variable `TeX-auto-parse-length'
controls the length of the buffer that is parsed.  Default value is
999999, which is much higher than the length of your file ((point-max)
== 2205).  What's the value of `TeX-auto-parse-length' for you?  issue

    C-h v TeX-auto-parse-length RET

after you load AUCTeX (for example after opening a *TeX file) to check it.

Bye,
Mosè

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

From: jfbu <jfbu <at> free.fr>
To: bug-auctex <at> gnu.org
Subject: Re: bug#24668: 11.89.5; Parse failure if long comment at head of file
Date: Wed, 12 Oct 2016 12:28:41 +0200

Le 11/10/2016 à 17:42, Fran Burstall a écrit :
> If I put the \documentstyle line in line 1 of the file and
> then the header, parsing also fails.

shot in the dark as I don't know your file, but is this a
typo and you meant \documentclass, or are you using LaTeX 2.09 ?

(maybe irrelevant to your problem)

Jean-Francois

Message #17 received at 24668 <at> debbugs.gnu.org (full text, mbox):

From: Fran Burstall <f.e.burstall <at> bath.ac.uk>
To: Mosè Giordano <mose <at> gnu.org>
Cc: "24668 <at> debbugs.gnu.org" <24668 <at> debbugs.gnu.org>
Subject: Re: bug#24668: 11.89.5; Parse failure if long comment at head of file
Date: Wed, 12 Oct 2016 09:18:59 +0100

[Message part 1 (text/plain, inline)]

Hi Mosè,

Here is such an example.

I would expect auctex to parse this and write a style file to ./auto but,
for me, it does not unless I remove the long comment at the start of the
file.

Best,

---Fran


On 12 October 2016 at 00:23, Mosè Giordano <mose <at> gnu.org> wrote:

> Hi Fran,
>
> 2016-10-11 17:42 GMT+02:00 Fran Burstall <feb <at> maths.bath.ac.uk>:
> > Greetings,
> >
> > My LaTeX file starts with a long (59 line) comment
> > containing header information.
> >
> > I noticed that the file was not being parsed and no style
> > file written to ./auto or read from there.
> >
> > If I remove the header and do C-c C-n, parsing occurs as I
> > would expect.
> >
> > If I put the \documentstyle line in line 1 of the file and
> > then the header, parsing also fails.
> >
> > I suspect this must be a regression caused by a recent
> > change as I have not noticed this behaviour before.
>
> Could you please show us minimal (non-)working examples of the
> different cases you described?  I was not able to reproduce your
> problem, but I'm not sure I got what you mean.
>
> Bye,
> Mosè
>

[Message part 2 (text/html, inline)]

[minimal.tex (application/x-tex, attachment)]

Message #20 received at 24668 <at> debbugs.gnu.org (full text, mbox):

From: Fran Burstall <f.e.burstall <at> bath.ac.uk>
To: Mosè Giordano <mose <at> gnu.org>
Cc: "24668 <at> debbugs.gnu.org" <24668 <at> debbugs.gnu.org>
Subject: Re: bug#24668: 11.89.5; Parse failure if long comment at head of file
Date: Wed, 12 Oct 2016 11:17:15 +0100

[Message part 1 (text/plain, inline)]

Dear Mosè,

That was the problem: I had set TeX-auto-parse-length to 2000 (thinking,
foolishly, that this meant lines not characters).

Sorry to have bothered you!

Thanks for yr help,

---Fran


On 12 October 2016 at 09:29, Mosè Giordano <mose <at> gnu.org> wrote:

> Hi Fran,
>
> 2016-10-12 10:18 GMT+02:00 Fran Burstall <f.e.burstall <at> bath.ac.uk>:
> > Hi Mosè,
> >
> > Here is such an example.
> >
> > I would expect auctex to parse this and write a style file to ./auto but,
> > for me, it does not unless I remove the long comment at the start of the
> > file.
>
> Thank you.  I can't reproduce your problem.  For me, C-c C-n does
> create the auto-generated file.  The variable `TeX-auto-parse-length'
> controls the length of the buffer that is parsed.  Default value is
> 999999, which is much higher than the length of your file ((point-max)
> == 2205).  What's the value of `TeX-auto-parse-length' for you?  issue
>
>     C-h v TeX-auto-parse-length RET
>
> after you load AUCTeX (for example after opening a *TeX file) to check it.
>
> Bye,
> Mosè
>

[Message part 2 (text/html, inline)]

Message #23 received at submit <at> debbugs.gnu.org (full text, mbox):

From: jfbu <jfbu <at> free.fr>
To: bug-auctex <at> gnu.org
Subject: Re: bug#24668: 11.89.5; Parse failure if long comment at head of file
Date: Wed, 12 Oct 2016 18:19:52 +0200

Le 12/10/2016 à 12:28, jfbu a écrit :
> Le 11/10/2016 à 17:42, Fran Burstall a écrit :
>> If I put the \documentstyle line in line 1 of the file and
>> then the header, parsing also fails.
> 
> shot in the dark as I don't know your file, but is this a
> typo and you meant \documentclass, or are you using LaTeX 2.09 ?
> 
> (maybe irrelevant to your problem)
> 

indeed as your file which I saw later does have \documentclass

JF

Message #26 received at 24668 <at> debbugs.gnu.org (full text, mbox):

From: Mosè Giordano <mose <at> gnu.org>
To: feb <at> maths.bath.ac.uk
Cc: "24668 <at> debbugs.gnu.org" <24668 <at> debbugs.gnu.org>
Subject: Re: bug#24668: 11.89.5; Parse failure if long comment at head of file
Date: Thu, 13 Oct 2016 15:23:05 +0200

close 24668
tags 24668 notabug
thanks



Hi Fran,

2016-10-12 12:17 GMT+02:00 Fran Burstall <f.e.burstall <at> bath.ac.uk>:
> Dear Mosè,
>
> That was the problem: I had set TeX-auto-parse-length to 2000 (thinking,
> foolishly, that this meant lines not characters).

Good to know you solved your problem.  I'm closing this issue.

Bye,
Mosè

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