Is there a possibility to strip all invalid chars from a string, so that
\SkillField{Erzählen}{0} can define a field named "Erzaehlen" or "Erzhlen" or "Erzahlen"?
just make me s small test file
there is lots of sanitizing code/trickery out there, but need a simple self contained example
Hm, it doesn't really have anything to do with my application (defining widget fields), so...
\starttext
\def\MyIndex#1{\index[\CLEAN{#1}]{#1}}
\MyIndex{Ätsch} % should expand to \index[Atsch]{Ätsch} or \index[Aetsch]{Ätsch}
\stoptext
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