2007-11-02 Michael Kifer <kifer@cs.stonybrook.edu>

2007-11-02  Michael Kifer  <kifer@cs.stonybrook.edu>

	* viper-ex.el (viper-ex): do not ignore the region.

	* viper-cmd.el (viper-prev-destructive-command)
	(viper-insert-prev-from-insertion-ring): use ring-copy instead of
	copy-sequence.

	* ediff-util.el (ediff-make-current-diff-overlay): do not use face-name.
	Got rid of ediff-copy-list.

	* ediff-diff.el (ediff-set-fine-diff-properties-in-one-buffer): do not
	use face-name.
	(ediff-test-utility,ediff-diff-mandatory-option)
	(ediff-reset-diff-options): removed to simplify yhe mandatory option
	handling on windows.
	(ediff-set-diff-options): added.
	(ediff-diff-options): changed.

	* ediff-vers.el (ediff-vc-internal): use ediff-vc-revision-other-window.
	(ediff-vc-merge-internal): use ediff-vc-revision-other-window and
	ediff-vc-working-revision.
	Require vc-hooks.