[NTG-context] \bar missing in euler

Hans Hagen pragma at wxs.nl
Tue Jul 11 10:32:13 CEST 2006


Aditya Mahajan wrote:
> I have no knowledge of how Context's font stuff works. The first 
> definition looks better to me, as one would not need to worry about 
> the encoding while defining symbols (one needs to worry about the 
> encoding while defining \textbreve etc, anyway). Though the second 
> does have the advantage that it works right away, so there is no need 
> to change the definition of \definemathsymbol.
>   
what a mess

\unprotect

\def\dohandlemathtoken#1%
  {\csname
     \ifmmode
       \ifcsname\@mt@\outerencoding#1\endcsname
         \@mt@\outerencoding
       \else\ifcsname\@mt@\mathcollection#1\endcsname
         \@mt@\mathcollection
       \else\ifcsname\@mt@\nomathcollection#1\endcsname
         \@mt@\nomathcollection
       \else\ifcsname\characterencoding#1\endcsname
         \characterencoding
       \else
         \nocharacterencoding
       \fi\fi\fi\fi
     \else
       \ifcsname\characterencoding#1\endcsname
         \characterencoding
       \else\ifcsname\nocharacterencoding#1\endcsname
         \nocharacterencoding
       \else\ifcsname\@mt@\outerencoding#1\endcsname
         \@mt@\outerencoding
       \else\ifcsname\@mt@\mathcollection#1\endcsname
         \strippedcsname\mathematics
\expandafter\endcsname\csname\@mt@\mathcollection
       \else\ifcsname\@mt@\nomathcollection#1\endcsname
         \strippedcsname\mathematics
\expandafter\endcsname\csname\@mt@\nomathcollection
       \else
         \nocharacterencoding
       \fi\fi\fi\fi\fi
     \fi
   #1\endcsname}

\let\dohandlecommand\dohandlemathtoken

\def\checkoutermathencoding
  {\ifx\outerencoding\empty
     \ifx\outerencoding\s!default\else
       \edef\outerencoding{\currentencoding}%
     \fi
   \fi}

\startmathcollection[texnansi]
    \definemathsymbol [breve] [accent] [tf] ["15]
\stopmathcollection
\startmathcollection[ec]
    \definemathsymbol [breve] [accent] [tf] ["08]
\stopmathcollection

\prependtoks
   \checkoutermathencoding
\to \everymathematics

\let\outerencoding\empty

$\breve e$

\end

so ... up to you to define the missing pieces (maybe we should use \startmathencoding for this stuff) 

Hans 


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