Ken Raeburn <raeburn@raeburn.org> writes:

> Even so, the charset descriptions in emacs-mime are somewhat more
> encouraging, but they seem to suggest that Emacs should take the
> "HELLO" data, and if it can't encode it all as UTF-8, pull it apart
> into separate MIME parts that can be encoded with available charsets.
> Which sounds like it's probably exactly the right thing.  But it
> didn't happen.

I don't usually try to create such messages, but not so long ago the
splitting still worked.  Hm.  Let me try it with this message:

ÄãºÃ.