'Return a path which is the URL where a browser would presumably take
you if you clicked on a link with an HREF as given.
@param st: A relative URL, to be interpreted relative to C{self} as the
base URL.
@type st: L{bytes}
@return: a new L{URLPath}'

def click(self, st):

    return self._fromURL(self._url.click(st.decode('ascii')))
