Attached is a patch to slime.el that allows me to successfully run SLIME under the cygwin Emacs with ABCL with the translation functions defined as in the attached '.emacs' initialization code.

This patches SLIME-INIT-COMMAND to translate the filenames in the Lisp initialization code by SLIME-TO-LISP-FILENAME. I would think that we would always want this translation present as the pathnames certainly translated from SLIME's (i.e. Emacs') notion of pathname to the native Lisp's, so I would like to solicit feedback if this would break anybody's current usage. Or does no one use the translation functions?

It's nice to be able to get ABCL working with SLIME under cygwin!