[OS X TeX] Babel bug in TL2004

[Claus Gerhardt]

Bruno,

Thank you very much! I followed your advice and  babel works fine now. 
Furthermore, since I can now use TL2004, mfpic works again - at least, 
if the nowrite option is avoided.

Claus


On Dec 14, 2004, at 0:42, Bruno Voisin wrote:

> Le 13 déc. 04, à 23:21, Claus Gerhardt a écrit :
>
>> Sorry, I was not quite corret. According to my old post the 
>> irregularity also happens, when just one language is specified. 
>> However, the document should have at least 3 pages, so that the 
>> headers all appear.
>>
>> The odd behaviour showed up at two computers of mine, at home and at 
>> the institute. I only wonder why, besides Piero D'Ancona and a few 
>> others, nobody else complains - maybe they specify the language in 
>> the document class, but this only works for one language.
>
> Sorry, I hadn't been able to reproduce this behaviour until you gave 
> more indications on the circumstances in which it appears (given I 
> don't use amsart.cls myself): namely that one language is enough, but 
> that two or more pages of text are required.
>
> Now I see it too. It seems an incompatibility between babel and 
> amsmath: if you copy 
> /usr/local/teTeX/share/texmf.tetex/tex/generic/babel/babel.def to the 
> directory of your input file, and comment out the risky redefinition 
> below:
>
>> \bbl at redefine\markboth#1#2{%
>>   \def\bbl at arg{#1}%
>>   \ifx\bbl at arg\@empty
>>     \toks@{}%
>>   \else
>>     \toks@{\noexpand\foreignlanguage{%
>>              \languagename}{%
>>              \noexpand\bbl at restore@actives#1}}%
>>   \fi
>>   \def\bbl at arg{#2}%
>>   \ifx\bbl at arg\@empty
>>     \toks8{}%
>>   \else
>>     \toks8{\noexpand\foreignlanguage{%
>>              \languagename}{%
>>              \noexpand\bbl at restore@actives#2}}%
>>   \fi
>>   \edef\bbl at tempa{%
>>     \noexpand\org at markboth{\the\toks@}{\the\toks8}}%
>>   \bbl at tempa
>> }
>
> then the problem disappears. This redefinition seems to conflict with 
> the definition in amsart.cls:
>
>> \def\markboth#1#2{%
>>   \begingroup
>>     \@temptokena{{#1}{#2}}\xdef\@themark{\the\@temptokena}%
>>     \mark{\the\@temptokena}%
>>   \endgroup
>>   \if at nobreak\ifvmode\nobreak\fi\fi}
>
> This would be worth reporting to Johannes Braams, the babel 
> maintainer, using the latexbug mechanism 
> <http://www.latex-project.org/bugs.html>.
>
> HTH,
>
> Bruno Voisin
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>

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           & FAQ: http://latex.yauh.de/faq/
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