RE: scroll-margin - does it work as advertized?

[Drew Adams]

> > I've read the doc (Emacs and Elisp manuals, and doc string) for
> > `scroll-margin', and what I understand from that doc doesn't seem to
> > correspond to the behavior I see.  If others don't think there is
> > a bug, then perhaps someone can help me understand better how this
> > option works.
> 
> I don't have time to dig into it, but IIUC this part of the code has
> historically been difficult to implement correctly (as well 
> as to figure out the detailed meaning of each such option and how it 
> should interact with others).
> 
> So, my money's on the "bug" or "misfeature" explanation.

Thanks for the confirmation, at least.

Too bad about the buggy behavior and the doc mismatch. Apparently this has been
a problem since the introduction of the feature (`scroll-margin' etc.) in Emacs
22. If no one has the time to understand it and fix it, perhaps this code should
be reverted to pre-Emacs 22?