Re: MIME (I guess)

>  ((((text . enriched) . 3)
>    ((text . richtext) . 2)
>    ((text . plain) . 1)
>    ((text . html) . mime-view-text/html-entity-score)
>    (multipart . mime-view-multipart-entity-score)) 3 w3m)

That is expected result.  On that configuration, you should be able to
prefer html text to plain text.

-- 
Kazuhiro Ito