GNU bug report logs - #11461
Making cc-mode.pdf fails

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Message #3 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: submit <at> debbugs.gnu.org
Subject: Making cc-mode.pdf fails
Date: Sat, 12 May 2012 12:34:49 -0400

Package: emacs,cc-mode
Version: 24.0.96

Trying to make cc-mode.pdf fails.

cd doc/misc
make cc-mode.pdf

  This is pdfTeX, Version 3.1415926-2.3-1.40.12 (TeX Live 2012/dev/Debian)
  [...]
  doc/misc/cc-mode.texi:705: Argument of @emacsman has an extra }.
  <inserted text> 
                  @par 
  <to be read again> 
                     }
  @addtokens ...f @addtoks {@noexpand #1={@the #1#2}
                                                    }@addtoks 
  @skipspaces ...@else @addtokens {@filename }{@PP }
                                                    @advance @filenamelength b...
  <argument>  @emacsman 
                        {}
  @getfilename ...ngth =0 <at> expandafter @skipspaces #1
                                                    |@relax 
  ...
  l.705 @emacsmantitle{}}
                         .
  ? 

Message #8 received at 11461-done <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Glenn Morris <rgm <at> gnu.org>
Cc: 11461-done <at> debbugs.gnu.org
Subject: Re: bug#11461: Making cc-mode.pdf fails
Date: Sat, 12 May 2012 21:05:14 +0200

Glenn Morris <rgm <at> gnu.org> writes:

> make cc-mode.pdf
>
>   This is pdfTeX, Version 3.1415926-2.3-1.40.12 (TeX Live 2012/dev/Debian)
>   [...]
>   doc/misc/cc-mode.texi:705: Argument of @emacsman has an extra }.
>   <inserted text> 
>                   @par 
>   <to be read again> 
>                      }
>   @addtokens ...f @addtoks {@noexpand #1={@the #1#2}
>                                                     }@addtoks 
>   @skipspaces ...@else @addtokens {@filename }{@PP }
>                                                     @advance @filenamelength b...
>   <argument>  @emacsman 
>                         {}
>   @getfilename ...ngth =0 <at> expandafter @skipspaces #1
>                                                     |@relax 

This is really a bug in texinfo.tex, in the way @skipspaces expands its
argument token by token.  I have checked in a workaround.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

Message #11 received at 11461 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Glenn Morris <rgm <at> gnu.org>
Cc: 11461 <at> debbugs.gnu.org
Subject: Re: bug#11461: Making cc-mode.pdf fails
Date: Sat, 12 May 2012 21:20:09 +0200

Actually the bug is already fixed in the latest version of texinfo.tex,
so it is probably better to just update it.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

Message #14 received at 11461 <at> debbugs.gnu.org (full text, mbox):

From: Alan Mackenzie <acm <at> muc.de>
To: Glenn Morris <rgm <at> gnu.org>
Cc: 11461 <at> debbugs.gnu.org
Subject: Re: bug#11461: Making cc-mode.pdf fails
Date: Sun, 13 May 2012 20:52:37 +0000

Hi, Glenn.

On Sat, May 12, 2012 at 12:34:49PM -0400, Glenn Morris wrote:
> Package: emacs,cc-mode
> Version: 24.0.96

> Trying to make cc-mode.pdf fails.

> cd doc/misc
> make cc-mode.pdf

>   This is pdfTeX, Version 3.1415926-2.3-1.40.12 (TeX Live 2012/dev/Debian)
>   [...]
>   doc/misc/cc-mode.texi:705: Argument of @emacsman has an extra }.
>   <inserted text> 
>                   @par 
>   <to be read again> 
>                      }
>   @addtokens ...f @addtoks {@noexpand #1={@the #1#2}
>                                                     }@addtoks 
>   @skipspaces ...@else @addtokens {@filename }{@PP }
>                                                     @advance @filenamelength b...
>   <argument>  @emacsman 
>                         {}
>   @getfilename ...ngth =0 <at> expandafter @skipspaces #1
>                                                     |@relax 
>   ...
>   l.705 @emacsmantitle{}}
>                          .
>   ? 

The relevant bit of source code from cc-mode.texi looks like this:

    you want only spaces.  @xref{Just Spaces,,, @emacsman{},
    @emacsmantitle{}}.                                <============ L705

The "extra" } closes off the @xref.  This looks like a bug in pdfTex.  It
seems to have got horribly confused, perhaps because the @xref is split
over two lines and contains macros.

-- 
Alan Mackenzie (Nuremberg, Germany).

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