GitLab

	* viper.el (viper-set-hooks): use frame bindings for
	viper-vi-state-cursor-color.
	(viper-non-hook-settings): don't set default
	mode-line-buffer-identification.

	* viper-util.el (viper-set-cursor-color-according-to-state): new
	function.
	(viper-set-cursor-color-according-to-state,
	viper-get-saved-cursor-color-in-replace-mode,
	viper-get-saved-cursor-color-in-insert-mode): make conditional on
	viper-emacs-state-cursor-color.

	* viper-cmd.el (viper-envelop-ESC-key): bug fix.
	(viper-undo): use point if undo-beg-posn is nil.
	(viper-insert-state-post-command-sentinel,viper-change-state-to-emacs,
	viper-after-change-undo-hook): don't use
	viper-emacs-state-cursor-color by default.
	(viper-undo): more sensible positioning after undo.

	* viper-ex.el (ex-splice-args-in-1-letr-cmd): got rid of caddr.
	(viper-emacs-state-cursor-color): default to nil, since this feature
	doesn't work well yet.

	* ediff-mult.el (ediff-intersect-directories,
	ediff-get-directory-files-under-revision, ediff-dir-diff-copy-file):
	always expand filenames.