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authorLeah Neukirchen <leah@vuxu.org>2017-06-29 13:36:05 +0200
committerLeah Neukirchen <leah@vuxu.org>2017-06-29 13:36:41 +0200
commit862d6b24e414e780c5f641bab9586b102ba908e9 (patch)
tree5cd437d0f09e5bf5b064b20918b33a3d9b243b1d
parent1fc0b1adc360ee30f519f19ecb3ddcfc56c1afee (diff)
downloadmblaze-862d6b24e414e780c5f641bab9586b102ba908e9.tar.gz
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).