[issue30532] email.policy.SMTP.fold() mangles long headers

[R. David Murray]

R. David Murray added the comment:


New changeset 3bbdf990a2c1b0b303b950058e3177a1bd5f697a by R. David Murray (Joel Hillacre) in branch '3.5':
bpo-30532: Fix whitespace folding in certain cases (#2592)
https://github.com/python/cpython/commit/3bbdf990a2c1b0b303b950058e3177a1bd5f697a


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<http://bugs.python.org/issue30532>
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