- RFC2231 decode
- delete File*Stream
- do not output empty/illegal header on to_s
- simplify field.rb
- allow raw JIS string in quoted word
- unify character encoding of japanese strings in header
- Loader -> Mailbox
- allow this type of header: "To: Minero A.
<aamine@loveruby.net>"
- write tests of Base64 module
- RFC2231 encode
- allow illegal MIME param value encoding
(key="=?iso-2022-jp?B?.…")
- purpose-oriented policy switching
- rewrite samples.
- address/address-group common handling scheme
- correct handling of Content-Type: message/*
- methods for mail creation, replying, forwarding
- tmail/net
- mail thread generator