+ art1 = Meta(name='Silver Mt. Zion')
+ art1.add_alias(art0)
+ self.assertIn('A Silver Mt. Zion', art1.aliases)
+
+ art3 = Meta(name='foo')
+ art3.add_alias('Silver Mt. Zion')
+ art1.add_alias(art3)
+ self.assertNotIn('Silver Mt. Zion', art1.aliases)
+