No way to turn off the millions and millions of directories shown when
e.g., one does
$ w3m /usr/share/doc/w3m

I tried some of
$ w3m -o show-options 2>&1|grep :\ Dire
  section[3]: Directory Settings
to no avail.

P.S., I just toss all my w3m bugs into
http://bugs.debian.org/cgi-bin/pkgreport.cgi?pkg=w3m;submitter=jidanni@jidanni.org
but that seems just like the same black hole as sending them to
upstream. I'll CC this one to emacs-w3m@namazu.org just for fun.

OK, I can apparently use
$ cat ~/.w3m/dirlist
type d
format d
sort t
but it should be documented in more places...