MIME message WL/SEMI doesn't display properly

[Robert Spier]

> If you are willing to pretend the behavior of user agents that
> do not recognize Multipart/Related, which is described in section 6
> of rfc2387, following setting will do it:
>   (defalias 'mime-display-multipart/related 'mime-display-multipart/mixed)
> I read rfc2387 says that parts other than object root should be
> related from the root...
> note: I didn't read rfc2387 carefully, my understanding shall be wrong

I believe your reading is correct.

My confusion was partially caused by viewing the text/plain part of
the alternative inside the related, instead of the html portion which
references the related images.

-R