[issue22602] UTF-7 codec decodes ill-formed sequences starting with "+"

[Jakub Wilk]

New submission from Jakub Wilk:

RFC 2152 reads:

  A "+" character followed immediately by any character other than
  members of set B or "-" is an ill-formed sequence.

"@" is not a member of B, so I would expect this to raise UnicodeDecodeError:

>>> b'+@'.decode('UTF-7')
'@'

----------
components: Library (Lib)
messages: 228996
nosy: jwilk
priority: normal
severity: normal
status: open
title: UTF-7 codec decodes ill-formed sequences starting with "+"
type: behavior

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22602>
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