bug#13041: 24.2; diacritic-fold-search

[Eli Zaretskii]

> Date: Thu, 06 Dec 2012 11:28:05 +0100
> From: martin rudalics <rudalics@gmx.at>
> CC: 'Eli Zaretskii' <eliz@gnu.org>, perin@panix.com, 
>  13041@debbugs.gnu.org, perin@acm.org
> 
>  >> `ignore-diacritics' is misleading.  The variable would have
>  >> to be called `observe-decompositions' or something the like.
>  >
>  >
>  > 1. "Observe decompositions" doesn't mean anything to me.  The verb should
>  > probably be more active - what does it mean to observe the char 
> decompositions
>  > here?
>  >
>  > BTW, if we use "decomposition" in the name and description then we should
>  > probably also use "char" - this is not about decomposing strings in some 
> way
>  > (whatever that might mean); it involves decomposing Unicode characters.
> 
> `ignore-diacritics' is misleading because when we, for example,
> sort/match ligatures we already do more than ignore diacritics.  A
> variable using the term `observe-decompositions' would express what the
> underlying algorithm does - observe the decomposition properties
> provided by `get-char-code-property'.

I would suggest something like equivalence-search or maybe
loose-match-search.  The latter is slightly less suitable, since loose
matches include not just decompositions, see the Unicode Regular
Expressions report.