[issue15509] webbrowser.open sometimes passes zero-length argument to the browser.

[Ezio Melotti]

Changes by Ezio Melotti <ezio.melotti at gmail.com>:


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nosy: +ezio.melotti, georg.brandl
stage:  -> test needed
versions: +Python 2.7, Python 3.2

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15509>
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