Re: HTML mail in rmail

[Eli Zaretskii <eliz@gnu.org>]

> From: Ken Olum <kdo@cosmos.phy.tufts.edu>
> Date: Fri, 11 Oct 2013 16:21:05 -0400
> 
> What are people doing about HTML mail in the new mime-enabled rmail?
> A big fraction of mail nowadays is either entirely HTML, or it is
> multipart/alternative, but the text part just says to see the HTML.
> In the current world (at least in emacs 23.3, and it looks like the
> emacs-24 code is the same), if the message is entirely HTML, it just
> displays the HTML, which is fine if the actual text is legible, but
> otherwise not much use.  In the multipart/alternative case, it shows
> the useless text/plain part and you can show the HTML if you wish, but
> it might be illegible.
> 
> I tried changing rmail-mime-process to treat text/html as bulk, and
> then I can click "Save" and read it in my browser, but that is not
> very convenient, especially if I want to be able to move around easily
> among my messages using rmail commands.
> 
> The ideal thing from my point of view would be to display the HTML as
> text.  It seems that emacs has plenty of support for such conversions,
> but rmail seems not to use it.  Have I missed some feature?  If not,
> has someone thought about how to implement this?

You should add an HTML handler to rmailmm.el, and in that handler call
functions from shr.el, which implements an HTML renderer.  That would
be indeed a great feature.