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%D \module
%D [ file=spac-fnt,
%D version=2009.10.16, % 1997.03.31, was core-spa.tex
%D title=\CONTEXT\ Spacing Macros,
%D subtitle=Fonts,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
\writestatus{loading}{ConTeXt Spacing Macros / Fonts}
%D For historic reasons here, will move and/or disappear:
\unprotect
\let\dostopattributes\relax % in case these commands end up in an edef
\unexpanded\def\@@dostopattributes
{\stopcolor
\finishparbasedattributes
\endgroup}
\unexpanded\def\@@nostopattributes
{\finishparbasedattributes
\endgroup}
\unexpanded\def\doattributes#1#2#3#4%
{\dostartattributes{#1}{#2}{#3}{#4}\dostopattributes}
% An even faster \ETEX\ version:
\unexpanded\def\dostartattributes#1#2#3%
{\begingroup % geen \bgroup, anders in mathmode lege \hbox
\ifincolor
\ifcsname#1#3\endcsname
\let\dostopattributes\@@dostopattributes
\faststartcolor[\csname#1#3\endcsname]%
\else
\let\dostopattributes\@@nostopattributes
\fi
\else
\let\dostopattributes\@@nostopattributes
\fi
\ifcsname#1#2\endcsname
% \@EAEAEA\doconvertfont\@EA\@EA\csname#1#2\endcsname
\@EA\doconvertfont\csname#1#2\@EA\endcsname
\fi}
\unexpanded\def\@@dostopattributes
{\faststopcolor
\finishparbasedattributes
\endgroup}
\unexpanded\def\@@nostopattributes
{\finishparbasedattributes
\endgroup}
%D Bonus macro, see core-sec.tex
\newconditional\fontattributeisset
\unexpanded\def\dosetfontattribute#1#2%
{\ifcsname#1#2\endcsname
\settrue\fontattributeisset % reset is done elsewhere
\@EA\doconvertfont\csname#1#2\@EA\endcsname
\fi\empty}
%D Since this happens a lot, and sometimes large arguments
%D are passed in \type {#4}, we just copy some code:
\unexpanded\def\doattributes#1#2#3#4%
{\begingroup % geen \bgroup, anders in mathmode lege \hbox
\ifincolor
\ifcsname#1#3\endcsname
\let\dostopattributes\@@dostopattributes
\faststartcolor[\csname#1#3\endcsname]%
\else
\let\dostopattributes\endgroup
\fi
\else
\let\dostopattributes\endgroup
\fi
\ifcsname#1#2\endcsname
% \@EAEAEA\doconvertfont\@EA\@EA\csname#1#2\endcsname
\@EA\doconvertfont\csname#1#2\@EA\endcsname
\fi
{#4}%
\dostopattributes}
\protect \endinput
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