$ python helpers2.py
***** preprocessed *****
_buf.extend(('''<p>
''', to_str(link_to(escape(user['name']), action='show', id=user['id'])), '''
<a href="/user/show/''', to_str(user['id']), '''">''', escape(to_str(user['name'])), '''</a>
</p>\n''', ));
***** output *****
<p>
<a href="/user/show/123">Tom&amp;Jerry</a>
<a href="/user/show/123">Tom&amp;Jerry</a>
</p>
