[tex-eplain] \newfam and \ifx
Philip Taylor
P.Taylor at Hellenic-Institute.Uk
Thu Mar 11 19:56:28 CET 2021
Gérald —
>
> I encounter a strange issue. For capacity reasons, I would like to
> load a new font family only when a certain criterion is met. However
>
> \def\oui{oui}
> \def\criterion{oui}
> \ifx\criterion\oui
> \else
> \newfam ...
> \fi
>
> Does not work inasmuch the new family is nevertheless loaded.
> Is there an explanation?
\newfam is declared \outer, and (among other constraints), an \outer
macro cannot occur in skipped conditional text (Eijkhout, TBT, p.~95).
--
/Philip Taylor/
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