japanese-hankaku

japanese-hankaku is an autoloaded Lisp function in `japan-util.el'.

(japanese-hankaku OBJ &optional ASCII-ONLY)

Convert argument to `hankaku' and return that.
The argument may be a character or string. The result has the same type.
The argument object is not altered--the value is a copy.
Optional argument ASCII-ONLY non-nil means to return only ASCII character.