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%D \module
%D [ file=toks-aux,
%D version=2018.11.29,
%D title=\CONTEXT\ Token Support,
%D subtitle=Helpers,
%D author=Wolfgang Schuster,
%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 Token Support / Helpers}
\unprotect
% The older \type {\scantokens} overload has been replace by a more modern
% one (in \LMTX):
%
% \protected\def\whatever#1[#2](#3)\relax{oeps #1 and #2 and #3 done ## error}
% \scratchtoks{foo \framed{\red 123}456}
%
% \showluatokens{123\what}
% \showluatokens\whatever
% \showluatokens\framed
%
% \showluatokens\scratchtoks
% \showluatokens\everypar
\ifcase\contextlmtxmode \or
\registerctxluafile{toks-aux}{autosuffix}
\fi
\installcorenamespace {tokenlist}
\unexpanded\def\definetokenlist[#1]%
{\ifcsname\??tokenlist#1\endcsname
\global\lastnamedcs\emptytoks
\else
\expandafter\newtoks\csname\??tokenlist#1\endcsname
\fi}
\unexpanded\def\starttokenlist[#1]#2\stoptokenlist
{\ifcsname\??tokenlist#1\endcsname \else
\expandafter\newtoks\csname\??tokenlist#1\endcsname
\fi
\toksapp\lastnamedcs{#2}}
\let\stoptokenlist\relax
\def\gettokenlist[#1]%
{\ifcsname\??tokenlist#1\endcsname
\the\lastnamedcs
\fi}
\def\settokenlist[#1]#2%
{\ifcsname\??tokenlist#1\endcsname \else
\expandafter\newtoks\csname\??tokenlist#1\endcsname
\fi
\toksapp\lastnamedcs{#2}}
\unexpanded\def\resettokenlist[#1]%
{\ifcsname\??tokenlist#1\endcsname
\lastnamedcs\emptytoks
\fi}
\ifcase\contextlmtxmode \or
\chardef\discretionarygroupcode = \discgroupcode
\fi
\protect
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