Re: char equivalence classes in search - why not symmetric?

[Eli Zaretskii]

> Date: Thu, 3 Sep 2015 09:15:40 -0700 (PDT)
> From: Drew Adams <address@hidden>
> Cc: address@hidden
> 
> But the question Jean-Christophe raised is about the _default_
> behavior.

Indeed.

> And BTW, he raised it specifically wrt char folding, not case folding.

That's not true.  Quote:

> Maybe the default is wrong:
> a should catch only a (and not aAàá etc.)
> a case modifier would allow a to catch aA
> and a diacritic modifier would allow a to catch aàá etc.
> the free case and diacritic modifier can be combined so that a can catch
> aAàÀáÁ etc.
> 
> ie, the default it to catch *exactly* what the user types.

> The attempt, each time, to hark back to the fact that Emacs defaults
> _case_ folding to ON, in the context of a discussion about _char_
> folding, is lamentable.
> 
> We can deal with case folding later, if there is enough interest in
> reconsidering its default behavior.  In this thread the question is
> about char folding, first and foremost.

I reacted specifically to Jean-Christophe's suggestion to change the
default for case-fold-search.