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

[David Kastrup]

Drew Adams <address@hidden> writes:

>>   > They are equivalence classes.  The chars are equivalent when searched
>>   > for (with char folding turned on).
>> 
>> No, they aren't.  For instance, A and Á are not equivalent in search.
>> Searching for A will match Á, but searching for Á will not match A.
>
> Please read what I said: "The chars are equivalent when searched for."
>                                                    ^^^^^^^^^^^^^^^^^

They aren't.  Searching with the search string "Á" will find "Á" but not
"A".

> I did *not* say, as you say, that they are "equivalent in search."
> I tried to carefully distinguish the two uses of the chars: when used
> as search targets (they are currently equivalent) vs when used in the
> search string (they are not equivalent, currently).

Yes, there is a distinction between search targets and search spec.  But
they are different in either category.

-- 
David Kastrup