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%D \module
%D [ file=chem-ini,
%D version=2008.03.06,
%D subtitle=Chemistry,
%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.
% todo: \mathscriptsmode
\writestatus{loading}{ConTeXt Chemistry Macros / Initialization} % might become Inline
\registerctxluafile{chem-ini}{}
\unprotect
% todo: use \mathscriptsmode if needed
%D \macros
%D {molecule}
%D
%D Quick and dirty:
%D
%D \starttyping
%D \unexpanded\def\molecule#1%
%D {$\enablesupersub\tf#1$}
%D \stoptyping
%D
%D Using \LUA:
%D
%D \startbuffer
%D \molecule{H_2SO_4^-2}
%D \molecule{H_2SO_4^{-2}}
%D \molecule{H_2SO_4^{-2{x}}}
%D \stopbuffer
%D
%D \typebuffer \getbuffer
\unexpanded\def\molecule#1%
{\clf_molecule{#1}}
%D For old times sake:
\unexpanded\def\chem#1#2#3%
{\dontleavehmode\begingroup#1\lohi{#2}{#3}\endgroup}
\protect \endinput
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