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% This file defines TEX <string_primary> to return the picture
% resulting from running the string through tex. It is slow,
% but more general than the standard btex..etex construction
vardef TEX primary s =
write "btex "&s&" etex" to "mptextmp.mp";
write EOF to "mptextmp.mp";
scantokens "input mptextmp"
enddef;
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