Am Sonntag, 28. Oktober 2007 22:03 schrieb Stefan Monnier:
> >> > What about `case-sensitive'? For me as non-english
> >> > speaker `folding' is not easy to follow because of the
> >> > word-sence - as something knitting into. Sensitive as
> >> > awareness is understood from the beginning.
> >>
> >> Could work, but also suffers from the fact that the current behavior
> >> (which expands `sm' to `stefan monnier' but `Sm' to `Stefan Monnier'")
> >> can be considered as being "sensitive" to case.
> >
> > Beside of case-sensitivity another theme is in the
> > pipe: to allow multi-word abbrevs.
>
> Since I've installed my code this is now possible.  Just set the :regexp
> property of the abbrev table accordingly.
>
> > As it's wanted for translations, cases in one language
> > (abbrevs) should not predict i.e. force cases in
> > expansion.
>
> It's easier to write ad-hoc code than to try and extend abbrevs to "do the
> right thing" for that kind of unusal situation.
>

Attached a new abbrev.c with which 

you may choose the case for abbrevs freely:

abbrev case takes no longer precedence for expansion

for example

wh =>  Whitehous 
Wh =>  whiteHouse 
WH =>  whiteHouse 

is possible at the same time.

Some useless but harmless case-occurence counters are still in the
code.

Grüße

Andreas Röhler

(compiled with changed abbrev.c and CVS from october 28)
GNU Emacs 23.0.50.2 (i686-pc-linux-gnu, GTK+ Version 2.10.6) of 2007-10-30