bug#17130: 24.4.50; Deficient Unicode case folding

[Eli Zaretskii]

> From: Nathan Trapuzzano <nbtrap@nbtrap.com>
> Cc: 17130@debbugs.gnu.org
> Date: Sat, 29 Mar 2014 14:36:42 -0400
> 
> Er, let me rephrase.  Case _conversion_ (such as in case-preserving
> replace) and case _folding_ (such as ought be used in case-insensitive
> searching) are orthogonal.

But they can very well use the same database.