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%D \module
%D [ file=math-dif,
%D version=2022.05.31, % moved code
%D title=\CONTEXT\ Math Macros,
%D subtitle=Differentials,
%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 Math Macros / Differentials}
\unprotect
\pushoverloadmode
% For new times sake:
\ifdefined\dd \aliased\let\normal_math_dd\dd \else \lettonothing\normal_math_dd \fi
\ifdefined\DD \aliased\let\normal_math_DD\DD \else \lettonothing\normal_math_DD \fi
\def\c!differentiald{differentiald} % for now
\def\upright_math_dd{\mathatom \s!unpack \mathdifferentialcode{\mathupright d}}
\def\upright_math_DD{\mathatom \s!unpack \mathdifferentialcode{\mathupright D}}
\permanent\protected\def\dd
{\ifcstok{\mathematicsparameter\c!differentiald}\s!upright
\upright_math_dd
\else
\normal_math_dd
\fi}
\permanent\protected\def\DD
{\ifcstok{\mathematicsparameter\c!differentiald}\s!upright
\upright_math_DD
\else
\normal_math_DD
\fi}
% \setupmathematics[differentiald=upright]
\popoverloadmode
\protect
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