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	Monnier's patch).
	
	* viper.el (viper-emacs-state-mode-list): add egg-status-buffer-mode.
	(viper-version): version update.
	(viper-go-away,viper-setup-hooks): function changed (Stefan Monnier's
	patch).
	(viper--lookup-key,viper-catch-tty-ESC,viper-uncatch-tty-ESC,
	viper-setup-ESC-to-escape): new functions (Stefan Monnier's
	patch).
	
	* viper-cmd.el: (viper-del-forward-char-in-insert): new function.
	(viper-save-kill-buffer): check if buffer is modified.
	(viper-envelop-ESC-key): function deleted (Stefan Monnier's patch).
	(viper-intercept-ESC-key): function changed (Stefan Monnier's patch).
	
	* viper-keym.el (viper-ESC-key): constant changed (Stefan Monnier's
	patch).
	
	* ediff.el (ediff-files-command,ediff3-files-command): new functions.
	(ediff-merge-command,ediff-merge-with-ancestor-command): new functions.
	(ediff-directories-command,ediff-directories3-command): new functions.
	(ediff-merge-directories-command): new function.
	(ediff-merge-directories-with-ancestor-command): new function.
	All the above are command-line interfaces to ediff: facilitate calling
	Emacs with the appropriate ediff functions invoked.
	(ediff-version): version update.