🚀 go-pugleaf

OK.  Now I'm really puzzled.  The SPC (vm-scroll-forward) works fine
but ONLY WHEN THE POINT IS IN THE FOLDER BUFFER.  With point in the
summary buffer, it sometimes scrolls too far, sometimes not far
enough, and seems to EXACTLY DOUBLE any given prefix argument.  Also,
just about as often as not, the first SPC on a new (or unread) message
scrolls to the very bottom of the message.  I have no problem at all
with vm-scroll-backward.  Does this help any?

Also, how do I set the goal-column in the summary buffer automatically
to column 0 (the first column).  After

(make-local-variable 'goal-column)
(setq goal-column 0)

then what?  Which hook should I use?  Note:  I don't want to change
the goal column in the folder buffer, just the summary buffer.  (Maybe
this should be a default?)  Thanks.

-Jerry