GitLab

	* viper.el (viper-remove-hooks): remove some additional viper hooks
	when the user calls viper-go-away.
	(viper-go-away): restore the default of default-major-mode.
	Save the value of default-major-mode before vaperization.

	* viper-cmd.el: Replace error "" with "Viper bell".

	* viper-ex.el: Replace error "" with "Viper bell".

	* ediff-util.el (ediff-make-temp-file): use the coding system of the
	buffer for which file is created.