Tweaked strip_tags tests to pass on Python 3.3

            ('a<p a >b</p>c', 'abc'),

            ('d<a:b c:d>e</p>f', 'def'),

            ('<strong>foo</strong><a href="http://example.com">bar</a>', 'foobar'),

            ('<sc<!-- -->ript>test<<!-- -->/script>', 'test'),

            ('<script>alert()</script>&h', 'alert()&h'),

        )

        for value, output in items:

            self.check_output(f, value, output)

        # Some convoluted syntax for which parsing may differ between python versions

        output = html.strip_tags('<sc<!-- -->ript>test<<!-- -->/script>')

        self.assertNotIn('<script>', output)

        self.assertIn('test', output)

        output = html.strip_tags('<script>alert()</script>&h')

        self.assertNotIn('<script>', output)

        self.assertIn('alert()', output)

        # Test with more lengthy content (also catching performance regressions)

        for filename in ('strip_tags1.html', 'strip_tags2.txt'):

            path = os.path.join(os.path.dirname(upath(__file__)), 'files', filename)