GitLab

	* viper-cmd.el (viper-preserve-cursor-color): new test that avoids
	rewrawing the screen when changing cursor color.
	(viper-insert-state-pre-command-sentinel,
	viper-replace-state-pre-command-sentinel,
	viper-replace-state-post-command-sentinel): use
	viper-preserve-cursor-color.
	Many functions changed to use viper= instead of = when comparing
	characters.
	* viper-util.el (viper-memq-char,viper=): new functions for
	working with characters.
	(viper-change-cursor-color): fixed buglet.
	Many functions changed to use viper= instead of = when comparing
	characters.
	* viper.el (viper-insert-state-mode-list): added eshell.

	* ediff-init.el (ediff-before-setup-hook): new hook.
	Several typos fixed in various docstrings.
	* ediff-merg.el (ediff-show-clashes-only): docstring typo fixed.
	* ediff-nult.el (ediff-before-session-group-setup-hooks): new
	hook.
	(ediff-show-meta-buffer): run ediff-before-session-group-setup-hooks.
	* ediff-util.el (ediff-setup): run ediff-before-setup-hook.
	(ediff-other-buffer): use selected buffers if in Buffer-menu buffer.
	(ediff-get-selected-buffers): new function.
	* ediff-vers.el (ediff-vc-internal,ediff-rcs-internal,
	ediff-vc-merge-internal,ediff-rcs-merge-internal): use
	save-window-excursion.
	* ediff-wind.el (ediff-skip-unsuitable-frames): more robust
	termination check in while loop.
	* ediff.el (ediff-get-default-file-name): better defaults when in
	dired buffer.
	(ediff-files,ediff-merge-files,ediff-files3,
	ediff-merge-files-with-ancestor): use ediff-get-default-file-name.