bug#13041: 24.2; diacritic-fold-search

[martin rudalics]

> And later to let-bind `sort-decomposition' to nil for
> last-resort comparison where equal lines
> (equal according to non-nil `sort-decomposition')
> will be sorted without regard to decomposition.

Indeed.  In any case, equal lines shouldn't be the rule - especially with
functions that remove duplicates ;-)

martin