[issue1079] decode_header does not follow RFC 2047

[Tony Nelson]

Tony Nelson <tony_nelson at users.sourceforge.net> added the comment:

I think the problem is best viewed as headers are not being parsed
according to RFC2822 and decoded after that, so the recognition of
encoded words should be looser, and not require whitespace around them,
as it is not required in all contexts.

Patch and test, tested on 2.6.1, 2.7trunk.  The test mostly just
reverses the sense of test_rfc2047_without_whitespace().

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keywords: +patch
nosy: +barry, tony_nelson
versions: +Python 2.6, Python 2.7
Added file: http://bugs.python.org/file13608/header_encwd_nows.patch

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