'Bind to all characters with TAGNAME at event SEQUENCE a call to function FUNC.
An additional boolean parameter ADD specifies whether FUNC will be
called additionally to the other bound function or whether it will
replace the previous function. See bind for the return value.'

def tag_bind(self, tagName, sequence, func, add=None):

    return self._bind((self._w, 'tag', 'bind', tagName), sequence, func, add)
