bug#22038: 25.1.50; Character folding issues with isearch

[Richard Stallman]

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  > But I know nothing about the Unicode specifications;

We don't have an obligation to do as Unicode says, but it is certainly
worth paying attention to what Unicode says.

                                                         maybe you are
  > referring to a more subtle issue, which may be unrelated to my point,
  > which is simply that I think it should be just as convenient for a user
  > whose keyboard may lack "ß" or "æ" to match these characters by
  > searching with "s" or "a" (or "e" or "ae") as it is to match "ff" by
  > searching with "f".  This is not a language-specific issue AFAICS.

When a character has a standard equivalent character series in a
certain language, as "ß" does in German, that is a specific powerful
argument for isearch to treat the two as equivalent.  But this
argument doesn't apply in a a language-independent way.
-- 
Dr Richard Stallman
President, Free Software Foundation (gnu.org, fsf.org)
Internet Hall-of-Famer (internethalloffame.org)
Skype: No way! See stallman.org/skype.html.