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%D \module
%D [ file=unic-exp,
%D version=2002.12.05,
%D title=\CONTEXT\ \UNICODE\ Support,
%D subtitle=\UNICODE\ vector expansion,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA / Hans Hagen \& Ton Otten}]
%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 UNICODE Macros (expansion)}
%D \macros
%D {expandunivector}
%D
%D The \type {\expandunivector} macro can be used to expand
%D vectors, which leads to a faster run in case of documents
%D with lots of \UTF-8 code.
\unprotect
\def\expandunivector[#1]%
{\processcommalist[#1]\doexpandunivector}
\def\doexpandunivector#1%
{\ifcsname\@@univector#1\endcsname
\ifcsname\@@univector\@@univector#1\endcsname\else
\writestatus{unicode}{expanding vector #1}%
\setvalue{\@@univector\@@univector#1}{\expandedunivector{#1}}%
\dorecurse{255}
{\@EA\ifx\csname\csname\@@univector#1\endcsname\recurselevel\endcsname
\unknownchar
% skip
\else
\@EAEAEA\let\@EA\@EA\csname\@@univector\@@univector#1:\recurselevel\endcsname
\csname\csname\@@univector#1\endcsname\recurselevel\endcsname
\fi}%
\letbeundefined{\@@univector#1}%
\fi
\fi}
\def\expandedunivector#1#2%
{\ifcsname\@@univector\@@univector#1:\number#2\endcsname
\@@univector\@@univector#1:\number#2%
\else
\@@unknownchar
\fi}
%D For this purpose, we need to redefine the resolver.
\def\doutfunihash#1#2%
{\ifcsname\@@univector\@@univector\number#1\endcsname
\csname\@@univector\@@univector\number#1\endcsname{\utfmod{#2}}%
\else\ifcsname\@@univector\number#1\endcsname
\csname\@@univector#1\endcsname{\utfmod{#2}}%
\else
\@@unknownchar
\fi\fi}
\let\utfunihash\utfunihashglyph
%D Let's use it:
\expandunivector[0,1,2,32,33]
\protect \endinput
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