lower case environment variables for abbreviations with cygwin

[Edwin Goei]

When I was running xemacs on unix, I would set lower case environment
variables in my shell such as "setenv work /long/path/to/work/dir" and
then launch xemacs.  Within xemacs I could then use find-file with
$work/xxx and it would all work.

I am now running on cygwin "XEmacs 21.4 (patch 13) \"Rational FORTRAN\"
[Lucid] (i686-pc-cygwin) of Sun May 25 2003 on TSUNAMI", and this no
longer works.  The lower case env vars are converted to all caps (eg.
$WORK) which is more difficult to type.

I can think of a workaround, but is there a way that I could get the old
lowercase environment var behavior?

-Edwin