[issue2275] urllib2 header capitalization

[Senthil]

Senthil <orsenthil at users.sourceforge.net> added the comment:

I understand your implementation of _cap_header_key function.
But should not this patch be handled in a way wherein.
key.capitalize() is just replaced by key.upper()?

Should not that suffice?
What is the difference between _cap_header_key and key.upper()?

Thank you,
Senthil

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nosy: +orsenthil

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