[VM] emacs-w3m customization

[Uday Reddy]

Many of us use the emacs-w3m package for viewing html messages.  The VM 
interface for emacs-w3m was originally done by Katsumi Yamaoka and 
revised by Rob F.  But it is pretty old, and hasn't been touched for a 
while.  I see plenty of incompatibilities in the way VM works and how 
emacs-w3m has been set up as a helper.

To give just one example, the UP and DOWN arrow keys in normal VM 
buffers are bound to next-line and previous-line, but in emacs-w3m they 
seem to be bound to w3m-next-anchor and w3m-previous-anchor (essentially 
moving to the next/previous hyperlinks).  That is a serious incompatibility.

For MIME messages, VM has the setting 
`vm-auto-displayed-mime-content-types' for deciding which content-types 
to display automatically.  But emacs-w3m presumably has its own settings 
for the automatic display of images etc., which may not correspond to VM 
settings.

I wonder if somebody can volunteer to read through the emacs-w3m manual 
and figure out all the settings and customizations that VM should 
control.  Then we can either put them in the manual so that people know 
what settings to set, or just set them directly inside VM before firing 
up emacs-w3m.

Cheers,
Uday