|author||Leah Neukirchen <firstname.lastname@example.org>||2017-06-29 13:36:05 +0200|
|committer||Leah Neukirchen <email@example.com>||2017-06-29 13:36:41 +0200|
VIOLATIONS.md: add list of known standard violations and our workarounds
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+# Standard-violations detected in the wild during development of mblaze
+This list is probably not complete.
+* RFC5322 assumes CRLF line endings throughout, but Maildir messages
+ are generally using Unix line endings. mblaze accepts both, and
+ only uses CRLF when required (e.g. for signing).
+* Backslashes in atoms (RFC 5322, 3.2.3) are parsed as if they were
+ inside quoted strings.
+* Return-path is accepted without angle-addr (RFC5322, 3.6.7).
+* Encoded words within quoted strings (RFC2047, 5.3) are decoded for
+ header printing.
+* Encoded words within MIME parameters (RFC2047, 5.3) are NOT decoded.
+* Empty encoded words are decoded as empty string (RFC2047, 2).
+* Split multi-octet characters between encoded words (RFC2047, 5.3)
+ are reassembled if the encodings agree.
+* Date parsing is strict, obsolete timezone and two-digit years are
+ not parsed (RFC5322, 4.3).