2015-12-31 7:52 GMT+02:00 Don Simons <[email protected]>:
> Is there some robust way I can modify pmx.tex so that whenever
> it is loaded (presumably after musixtex is loaded), it checks whether
> the musixtex version is at least 1.21, and prints out a warning and
> maybe stops?
I find in musixtex.tex:
\def\mxvernumber{\mxmajorvernumber\mxminorvernumber}% make it possible
to compare with \ifnum
That seems to have been designed for the purpose.
But personally I just check that some macro I need is defined:
\input musixtex
\ifx\akkoladen\undefined\message{Your musixtex.tex is too old}\fi
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