>>>>> In <b4md5j0gvob.fsf@jpl.org> Katsumi Yamaoka wrote:

> Therefore, the present w3m-standalone code in Gnus should never work
> with non-ASCII text.

The attached code will allow you to read HTML mails containing
non-ASCII text.  I tested it only with Latin-1 and Japanese.
Note that HTML mails have to have the charset spec as a MIME
header, and it won't work fine like emacs-w3m.