> There are plenty of contexts where `q' in *Help* does not quit. I and
 > others have reported some in the past. Here is another:
 >
 > emacs -Q
 >
 > C-h f forward-char
 >
 > C-x 0 ; so *Help* is the only window
 >
 > q ; Does nothing.
 >
 >
 > In general, View-mode quitting is a complex mess.

I'm working on this.  You could help me by checking the attached patch.
It's against Emacs 22.1 and incorporates a couple of changes (help-xref,
find-source-lisp-file, and changes to faces.el) by other people.
There's also a new customizable variable called `help-window-select' ...

Suggestions welcome!