https://github.com/python/cpython/commit/622935d9a69d12e125e470ce9a9ff3cad9e... commit: 622935d9a69d12e125e470ce9a9ff3cad9e8e296 branch: master author: Saptak Sengupta <saptak013@gmail.com> committer: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> date: 2018-11-04T14:12:34-08:00 summary: bpo-31887: Adds documentations for special multipart/signed handling (GH-4268) This pull request adds some information about the special multipart/signed handling to clear about disabling header folding. https://bugs.python.org/issue31887 files: M Doc/library/email.generator.rst diff --git a/Doc/library/email.generator.rst b/Doc/library/email.generator.rst index 2575a5130070..fc535a3e4399 100644 --- a/Doc/library/email.generator.rst +++ b/Doc/library/email.generator.rst @@ -36,6 +36,10 @@ something that contains only ASCII characters, using the standard email RFC Content Transfer Encoding techniques for encoding email messages for transport over channels that are not "8 bit clean". +To accomodate reproducible processing of SMIME-signed messages +:class:`Generator` disables header folding for message parts of type +``multipart/signed`` and all subparts. + .. class:: BytesGenerator(outfp, mangle_from_=None, maxheaderlen=None, *, \ policy=None)