(ediff-make-diff2-buffer): Refuses to diff remote files.
(ediff-make-diff2-buffer, ediff-setup-diff-regions): Changed functions.
(ediff-make-diff2-buffer): New function.
(ediff-make-diff2-buffer): Refuses to diff remote files.
(ediff-make-diff2-buffer, ediff-setup-diff-regions): Changed functions.
(ediff-make-diff2-buffer): New function.