@classmethod<EOL><INDENT>def _MapVowels(cls, string, also_p=False):<DEDENT>
return cls._PSUB_RE.sub(cls.Repl, string)<EOL>
Return a copy of ``string`` where characters that exist as keys in
cls._VOWELS have been replaced with the corresponding value.  If
also_p is True, this function will also change capital P characters
into a Hebrew character Qof.