[issue5800] make wsgiref.headers.Headers accept empty constructor

[Ramiro Batista da Luz]

Ramiro Batista da Luz <ramiroluz at gmail.com> added the comment:

I reviewed the patch.

 - I applied all the patchs(3 files).
 - Ran make and make html in the Doc directory.
 - Ran the test_wsgiref.py
 - Ran the python interpreter and typed the suggested code:

>>> from wsgiref.headers import Headers
>>> headers = Headers([])
>>> headers.add_header('Content-Type', 'text/plain')
>>> headers = Headers()
>>> headers.add_header('Content-Type', 'text/plain')
>>> 

 - Read the documentation in a web browser.

All in the revision 86742.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue5800>
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