[Patches] mailbox.UnixMailbox and rfc822.Message.unixfrom

[Guido van Rossum]

Thomas,

The unixfrom feature of the rfc822 module is at best questionable --
it it not part of the mail headers as defined by RFC-822!

Why do you need access the Unix from header through the mailbox
module?

Your patch worries me: the dependency between _search_start() and
next() through the _skipfirst variable begs for problems in
subclasses.

--Guido van Rossum (home page: http://www.python.org/~guido/)