El lun, 26 de abr. de 2021 a la(s) 01:49, Hans Hagen (j.hagen@xs4all.nl) escribió:
On 4/26/2021 6:59 AM, Jairo A. del Rio wrote:
The following:
\starttext
\startMPinitializations
input cmarrows;
setup_cmarrows(arrow_name = "texarrow"; parameter_file = "cmr6.mf"; macro_name = "nicearrow");
\stopMPinitializations
\startMPpage
metafun > log > error: Equation cannot be performed (numeric=pair) I don't know, but from the message it looks like some 'local' variables is not saved and defined. I'm surprised that loading some mf file works at all (because it also assumes some mf related definitions). I also hav eno clue if such a package adopts 'core' metafun code (and mpiv metafun is different from mpii).
It's a generic, "pure" MetaPost package: https://www.ctan.org/pkg/cmarrows Fonts are in /fonts/source/public in a TeX Live distribution, in case it helps. Hans
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Jairo