'Begin logging to the L{LogBeginner} associated with this
L{LogPublisher}.
@param other: the observer to log to.
@type other: L{LogBeginner}
@param setStdout: if true, send standard I/O to the observer as well.
@type setStdout: L{bool}'

def _startLogging(self, other, setStdout):

    wrapped = LegacyLogObserverWrapper(other)
    self._legacyObservers.append(wrapped)
    self._logBeginner.beginLoggingTo([wrapped], True, setStdout)
