Otared Kavian schrieb am 22.06.2021 um 15:49:
Dear Dalyoung, dear Mikael
Thank you both for your explanations: indeed this « whatever » command
in MetaPost is magic and very useful (I am not sure whether it is a
command only in MetaFun, or it exists also in the original MetaPost).
You have to go further back, whatever already existed in MetaFont.
Wolfgang
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