[XeTeX] problem with ~ in Mapping=velthuis-sanskrit

[Zdenek Wagner]

Just to add, 12% is definitely wrong because it does not end the
number, the number ends at a non-number. If you type
\catcode`\~=12%
3 sons

you will get an error that 123 is not allowed here. You should end it
either with a space or with a \relax.

Zdeněk Wagner
http://ttsm.icpf.cas.cz/team/wagner.shtml
http://icebearsoft.euweb.cz

čt 12. 11. 2020 v 11:36 odesílatel David Carlisle
<d.p.carlisle at gmail.com> napsal:
>
>
> >    \catcode`\~=12%
>
> changing catcodes in an environment looks wrong (the % after the 12 is definitely wrong)  if you change catcodes then the definition cannot work in the argument of any command (for the same reasons that \verb does not work in command arguments) . Leave ~ active but make it expand to the inactive one eg
>
> \edef~{\string~}%
>
>