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

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R David Murray 2012-09-30 01:27:24 -04:00
parent 6c57318c3a
commit ea22685a04
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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 special case the standard import hooks so they are still supported even
though they do not provide the non-standard ``iter_modules()`` method. 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 Porting C code
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