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Merge: Add notes to whatsnew porting for visible changes in email compatibility mode.

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R David Murray 2012-09-30 01:28:53 -04:00
parent 65c848e484 ea22685a04
commit 01c671a07c
1 changed files with 16 additions and 0 deletions
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Doc/whatsnew/3.3.rst
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@ -2102,6 +2102,22 @@ Porting Python code
special case the standard import hooks so they are still supported even
though they do not provide the non-standard ``iter_modules()`` method.
* A longstanding RFC-compliance bug (:issue:`1079`) in the parsing done by
:func:`email.header.decode_header` has been fixed. Code that uses the
standard idiom to convert encoded headers into unicode
(``str(make_header(decode_header(h))``) will see no change, but code that
looks at the individual tuples returned by decode_header will see that
whitespace that precedes or follows ``ASCII`` sections is now included in the
``ASCII`` section. Code that builds headers using ``make_header`` should
also continue to work without change, since ``make_header`` continues to add
whitespace between ``ASCII`` and non-``ASCII`` sections if it is not already
present in the input strings.
* :func:`email.utils.formataddr` now does the correct content transfer
encoding when passed non-``ASCII`` display names. Any code that depended on
the previous buggy behavior that preserved the non-``ASCII`` unicode in the
formatted output string will need to be changed.
Porting C code
--------------