Version 0.56.0#482
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Multiple To recipients produce duplicate TO keys in msg.header. The header-copy loop was assigning each individually, but EmailMessage enforces a single TO field. Duplicate keys are now merged into one comma-separated value before assignment. Adds example multi-to.msg and tests covering both parsing and EML conversion.
The header dedup dict was keyed case-sensitively, so 'TO' and 'To' were treated as separate keys and both assigned to the EmailMessage, triggering the single-field constraint. Dedup now keys by lowercased name while preserving the original casing of the first occurrence. Adds multi-to-to.msg and tests covering both parsing and EML conversion.
… headers Improper header unfolding left tab characters mid-value after stripping newlines. RFC 2047 encoded words using invalid charsets (e.g. malformed GB2312) were passed raw to EmailMessage, whose folding code then failed to re-encode the decoded replacement characters via as_bytes(). Fix uses proper RFC 5322 unfolding and re-encodes problematic encoded words as UTF-8 before assigning to EmailMessage.
Real-world emails often label headers as GB2312 but use byte sequences only valid in GBK (a strict superset). The previous latin-1 fallback produced garbled display names. Now tries GBK/CP936 before latin-1 when a GB2312-declared encoded word fails to decode.
Issue #478 ebcdic 2.0 is a pure technical release with no functional changes; it only drops support for Python 2 and 3.8. Keeping the lower bound at 1.1.1 means installs on Python 3.8 continue to resolve to ebcdic 1.1.1.
Allow ebcdic 2.x
Fix asEmailMessage() raises ValueError when message has multiple TO recipients
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**v0.56.0
ebcdicto include2.x. The 2.0 release is a pure technical release with no functional changes; it only drops support for Python 2 and 3.8. The lower bound is unchanged so installs on Python 3.8 will continue to resolve toebcdic 1.1.1.beautifulsoupto allow for versions up to5.*.*. I was previously hesitant to do so because they sometimes do what seems like non backwards compatible changes in minor versions, but it looks like this should be fine..strip()to file name determination to ensure that folders with trailing spaces would be corrected before being used.</head>instead of</html>.MessageBase.asEmailMessage()raisingValueErrorwhen a message has multipleTorecipients.