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: Sun, 16 Feb 2014 22:09:32 -0500
> 
> > How could they? these variables are not exposed to Lisp.  Only
> > ascii-case-table is, which is not the one I had in mind.
> 
> Right, I was thinking of standard-case-table.  Still, same problem: take
> that standard case table change it a bit, and suddenly other chars than
> the ones you changed are affected.

But customizing case-tables is already a very special use case.  Why
can't we expect such users to deal with these issues?

The only alternative (besides leaving the original problem unsolved)
is to ignore buffer-local case tables.  Is this more acceptable?