R. David Murray <rdmur...@bitdance.com> added the comment:
I'm rejecting this. There is more than one bug here, but it starts with the
fact that ('xxx', None) is treated the same as ('xxx', 'us-ascii'). In the
first case it would be nice if a space was used to separate two of them in a
row. In the second case a space should not be used, since it should in fact be
an encoded word.
The documentation for make_header says it takes a list produced by
decode_header. decode_header will never produce two ('xxx', None) tuples in a
row. It could produce a tuple with us-ascii preceeded or followed by one with
None, but that would be only if the us-ascii one really was an encoded word,
and so encoded word spacing rules should be followed.
However, the current quirks are of such long standing that I don't think it is
a good idea to fix them. The broken behavior won't be encountered in any
reasonable email, and changing the behvior is much more likely to break
existing oddball uses of the interface than it is to fix bugs in such uses.
We'll fix this to work right in email6.
----------
resolution: -> rejected
status: open -> closed
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue1681333>
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