bug#13041: 24.2; diacritic-fold-search

[Stefan Monnier]

>>> i.e. "suf" doesn't match "suffer", only "suff" should match it.
>> I completely disagree here.  "suf" should match "suffer".
> AFAIS, there are more programs that find a partial match,
> but neither of them can do the right highlighting:
> both possibilities (to highlight the whole ligature and not to highlight)
> are wrong, and highlighting a part of the ligature is impossible.

One step at a time: first, let's make sure we can match it.  Then we'll
worry about what the match-boundaries should be and how to display it
(when we get to this point, we can even consider displaying suffer as
suffer temporarily, just like we do when point is in the middle of
a composition).


        Stefan