[issue20747] Charset.header_encode in email.charset doesn't take a maxlinelen argument and has inconsistent behavior with different encodings

[R. David Murray]

R. David Murray added the comment:

The line wrapping is done by Header, not header_encode.  The bug appears to be that maxlinelen=None is not passed to base64mime's header_encode the way it is to quoprimime's header_encode...and that base64mime doesn't handle a maxlinelen of None.  Using maxlinelen=9999999 in the base64mime.header_encode calll, your base64 example also results in a single line header.

This should be fixed.  It does not affect python3, which uses a different folding algorithm.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20747>
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