bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: andreas.roehler@easy-emacs.de,  16731@debbugs.gnu.org
> Date: Thu, 13 Feb 2014 14:15:37 -0500
> 
> > What about custom buffer-local case tables?
> 
> That's what I meant by my question, yes.  Your change will break about half of
> the uses of buffer-local case tables.  Using the unicode table all the
> time will break them all.
> Is it a real issue?  I really don't know.

Neither do I.

How about if we use the unicode tables only if the corresponding
buffer's case-table is the standard one (Vascii_*_table)?