bug#64652: 28.2; Adding a property bug on Windows 11

[Ihor Radchenko]

Eli Zaretskii <eliz@gnu.org> writes:

>> Hmm... One way could be modifying regexps to something like
>> [Pp][Rr][Oo][Pp][Ee][Rr][Tt][Ii][Ee][Ss]. May Emacs provide something
>> like (regexp-case-quote REGEXP &optional CASE-TABLE)?
>
> What would regexp-case-quote do with REGEXP?
>
> Regarding [Pp][Rr] etc.: does this have any significant effect on
> performance, due to use of character classes?

Not sure.
CCing Mattias Engdegård.

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Ihor Radchenko // yantar92,
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