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%D \module
%D [ file=s-typesetting-kerning,
%D version=2014.12.14,
%D title=\CONTEXT\ Style File,
%D subtitle=Show Character Kerning,
%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.
\definecharacterkerning
[typesetting-kerning-demo]
[factor=.5]
\startbuffer[showcharacterkerning:boxes]
\starttextrule{boxes}
\showfontkerns
\dontcomplain
\startlines
test \hbox{!} test
test\hbox{!} test
test \hbox{!}test
test:$x$ test
\setcharacterkerning[typesetting-kerning-demo]
test \hbox{!} test
test\hbox{!} test
test \hbox{!}test
test:$x$ test
\stoplines
\stoptextrule
\stopbuffer
\startbuffer[showcharacterkerning:ligatures]
\starttextrule{ligatures}
\dontcomplain
\startlines
effe flink effectief efficient fietsen
\blank
\setcharacterkerning[typesetting-kerning-demo]
effe flink effectief efficient fietsen
\blank \hsize\zeropoint
effe
flink
effectief
efficient
fietsen
\stoplines
\stoptextrule
\stopbuffer
\startbuffer[showcharacterkerning:discretionaries]
\starttextrule{discretionary}
\dontcomplain
\startlines
\hbox{\samplediscretionary}
\hbox{xxx\samplediscretionary}
\hbox{\samplediscretionary xxx}
\hbox{xxx\samplediscretionary xxx}
\blank
\setcharacterkerning[typesetting-kerning-demo]
\hbox{\samplediscretionary}
\hbox{xxx\samplediscretionary}
\hbox{\samplediscretionary xxx}
\hbox{xxx\samplediscretionary xxx}
\blank \hsize\zeropoint
\samplediscretionary
xxx\samplediscretionary
\samplediscretionary xxx
xxx\samplediscretionary xxx
\stoplines
\stoptextrule
\stopbuffer
\startbuffer[showcharacterkerning:explicits]
\starttextrule{explicits}
\exhyphenchar \hyphenasciicode
\preexhyphenchar \lessthanasciicode
\postexhyphenchar\morethanasciicode
\def\TestDisc
{\discretionary
{\kern\emwidth<}%
{>\kern\emwidth}%
{\kern\emwidth=\kern\emwidth}%
}
\dontcomplain
\startlines
\hbox{super-charged}
\hbox{super\-charged}
\hbox{super\TestDisc charged}
\hbox{super\discretionary{[}{]}{[]}charged}
\blank
\setcharacterkerning[typesetting-kerning-demo]
\hbox{super-charged}
\hbox{super\-charged}
\hbox{super\TestDisc charged}
\hbox{super\discretionary{[}{]}{[]}charged}
\blank \hsize\zeropoint
super-charged
super\-charged
super\TestDisc charged
super\discretionary{[}{]}{[]}charged
\stoplines
\stoptextrule
\stopbuffer
\starttexdefinition unexpanded showcharacterkerning
\getbuffer[showcharacterkerning:boxes]
\getbuffer[showcharacterkerning:ligatures]
\getbuffer[showcharacterkerning:discretionaries]
\getbuffer[showcharacterkerning:explicits]
\stoptexdefinition
\continueifinputfile{s-typesetting-kerning.mkiv}
\starttext
\showcharacterkerning
\stoptext
% {\hsize1mm efficient\discretionary{\kern1pt!\kern1pt}{\kern1pt!\kern1pt}{\kern1pt!\kern1pt}efficient\par}
% {\hsize1mm\definedfont[Regular]\setcharacterkerning[typesetting-kerning-demo]efficient\-efficient\par}
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