purify-flag, to avoid error message when loading ediff in a frame
that has no menu bar.
(ediff-setup): Improved mode-line-buffer-identification.
Now accommodates buffer identifications generated by
mode-line.el and uniquify.el.
(ediff-current-diff-face-A/B,
ediff-fine-diff-face-A/B,ediff-odd/even-diff-face-A/B):
Variables changed to contain face names
instead of face internal representation.
(ediff-find-file, ediff-files-internal, ediff-patch-file):
Modified to work with remote and compressed files.
(ediff-read-file-name, ediff-buffers): Better defaults.
(ediff-read-file-name) Handle OS/2.
(ediff-forward-word-function) New function.
(ediff-wordify-function): Variable deleted.
(ediff-toggle-regexp-match, ediff-hide-regexp-matches): New functions.
(ediff-focus-on-regexp-matches): New function.
(ediff-status-info): New function.
(ediff-file-names, ediff-line-numbers): Functions deleted.
