Why do webforms often refuse non-ASCII characters?

[Sławomir Osipiuk]

On Thursday, 30 January 2025, 17:36:02 (-05:00), Phil Smith III wrote:

> I meant that André's display name shows up as Andre, without the accent. Yours shows as Slawomir Osipiuk, no velarized L. Are you seeing an accent on André in your MUA?
> 


I don't know for certain that the Ł in my name is displaying for everyone. It does show up correctly in the mailing list archive:
https://corp.unicode.org/pipermail/unicode/2025-January/thread.html

Bríd-Áine's name displays accurately, using the Q encoding like mine does. André's name, however, does not.