GNU bug report logs - #20773
11.88.6; Preview fails on nested \include{} using \documentclass{sigplanconf}

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Message #14 received at 20773 <at> debbugs.gnu.org (full text, mbox):

From: Tassilo Horn <tsdh <at> gnu.org>
To: David Kastrup <dak <at> gnu.org>
Cc: Alex Rozenshteyn <rpglover64 <at> gmail.com>, 20773 <at> debbugs.gnu.org
Subject: Re: bug#20773: 11.88.6;
 Preview fails on nested \include{} using \documentclass{sigplanconf}
Date: Tue, 09 Jun 2015 16:10:04 +0200

David Kastrup <dak <at> gnu.org> writes:

> Tassilo Horn <tsdh <at> gnu.org> writes:
>
>> l.5 \(
>>       a + b = c\)
>> ./main.tex:5: Preview: Snippet 2 ended.(409600+54612x2392548).
>> <-><->
>>       
>> \pr <at> msg ...rrhelp {Not a real error.}\errmessage <
>>                                                   }
>> \pr <at> endbox ...lineskip \box \pr <at> box }\pr <at> ship <at> end 
>>                                                   {\let \protect \noexpand \...
>>
>> \)->\relax \ifmmode \ifinner $
>>                               \else \@badmath \fi \else \@badmath \fi 
>> l.5 \(a + b = c\)
>>                  
>> [2] )
>> (see the transcript file for additional information){/usr/local/texlive/2014/te
>> xmf-dist/fonts/enc/dvips/base/8r.enc}</usr/local/texlive/2014/texmf-dist/fonts/
>> type1/public/amsfonts/cm/cmmi9.pfb></usr/local/texlive/2014/texmf-dist/fonts/ty
>> pe1/public/amsfonts/cm/cmr9.pfb></usr/local/texlive/2014/texmf-dist/fonts/type1
>> /urw/times/utmb8a.pfb>
>> Output written on main.pdf (2 pages, 23675 bytes).
>> SyncTeX written on main.synctex.gz.
>> Transcript written on main.log.
>>
>> TeX Output exited as expected with code 1 at Tue Jun  9 13:30:57
>> Running `Preview-PDF2DSC' with ``pdf2dsc main.pdf main.prv/tmp4678jI2/preview.dsc''
>>
>> Preview-PDF2DSC finished at Tue Jun  9 13:30:57
>> Running `Preview-Ghostscript' with ``/usr/local/texlive/2014/bin/x86_64-linux/rungs -dOutputFile\=\(main.prv/tmp4678jI2/pr1-\%d.png\) -q -dDELAYSAFER -dNOPAUSE -DNOPLATFONTS -dPrinted -dTextAlphaBits\=4 -dGraphicsAlphaBits\=4 -sDEVICE\=png16m -r96.0757x96.0504''
>> Ghostscript filter: No bounding box
>
> "Ghostscript filter" is an error message from the Emacs component of
> preview-latex, probably coming from not being able to recognize the
> error messages.  It would appear that the document classes here mess
> with the error display from LaTeX, possibly by changing the
> \errorcontextlines setting but maybe through other means.

Indeed, sigplanconf.cls contains

  \errorcontextlines = 5

> It might be worth trying to put
>
> \newcount\errorcontextlines
>
> (making the original \errorcontextlines inaccessible) before
> \documentclass in order to see whether this makes a difference.

No, it doesn't make any difference although I didn't check the preview
output line by line but at least I still get the two errors from above
alternatingly.

Bye,
Tassilo

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