'Convert the RRset into DNS master file format.
@see: L{dns.name.Name.choose_relativity} for more information
on how I{origin} and I{relativize} determine the way names
are emitted.
Any additional keyword arguments are passed on to the rdata
to_text() method.
@param origin: The origin for relative names, or None.
@type origin: dns.name.Name object
@param relativize: True if names should names be relativized
@type relativize: bool'

def to_text(self, origin=None, relativize=True, **kw):

    return super(RRset, self).to_text(self.name, origin, relativize, self.deleting, **kw)
