src/\f * simple.el (quoted-insert): In overwrite mode, don't read digits

src/\f        * simple.el (quoted-insert): In overwrite mode, don't read digits
	as an octal character code.  In binary overwrite mode, overwrite
	the characters instead of inserting them.
	(overwrite-mode-textual, overwrite-mode-binary): New symbols, for
	use in the mode line.
	(overwrite-mode): Doc fix.  Use force-mode-line-update.
	(binary-overwrite-mode): New function.
    	* loaddefs.el (minor-mode-alist): Make the mode line element for
	overwrite-mode be the symbol `overwrite-mode'.