* ediff-hooks.el: Put back the autoloads (for compatibility with XEmacs).
* ediff-init.el: Use defalias instead of fset.
* ediff-util.el: Use defalias instead of fset.
* viper-util.el (viper-chars-in-region): simplification.
* viper.el (viper-emacs-state-mode-list): added modes.