'Backslash can be used to escape colons and backslashes in port
descriptions.'

def test_escape(self):

    self.assertEqual(self.parse('unix:foo\\:bar\\=baz\\:qux\\\\', self.f), ('UNIX', ('foo:bar=baz:qux\\', self.f), {'mode': 438, 'backlog': 50, 'wantPID': True}))
