gh-139434: Update selected RFC 2822 references to RFC 5322 (#139435)

Update selected RFC 2822 references to RFC 5322

RFC 2822 was obsoleted by RFC 5322 in 2008. This updates references
to use the current standard in documentation, docstrings, and comments.

It preserves RFC 2822 references in legacy API components to maintain their
historical context.

RFC 822 → RFC 2822 → RFC 5322 progression is explained where relevant.

In some places specific sections of RFC are referenced where it seems helpful.

Scout rule was applied in some places and RFC mentions format was
normalized in doc strings and comments.
This commit is contained in:
Filip Łajszczak 2025-11-04 20:46:07 +01:00 committed by GitHub
parent 97d8dda980
commit ce1bb85d28
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15 changed files with 49 additions and 45 deletions

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@ -141,7 +141,7 @@ def _decode_uu(encoded):
class Message:
"""Basic message object.
A message object is defined as something that has a bunch of RFC 2822
A message object is defined as something that has a bunch of RFC 5322
headers and a payload. It may optionally have an envelope header
(a.k.a. Unix-From or From_ header). If the message is a container (i.e. a
multipart or a message/rfc822), then the payload is a list of Message