def _clean(self, t, capitalize=None):
        """Convert to normalized unicode and strip trailing full stops."""
        if self._from_bibtex:
            t = latex_to_unicode(t, capitalize=capitalize)
        t = ' '.join([el.rstrip('.') if el.count('.') == 1 else el for el in t.split()])
        return t
Convert to normalized unicode and strip trailing full stops.