Re: scrollbar (once more)

[Richard Stallman]

    > Somehow, with the narrowed buffer completely out of view above the
    > window and point just after the final newline, the computation of the
    > thumb length seems to count the entire inaccessible portion after point
    > as "present" in the window.  Apparently, (- (buffer-size) (point))
    > characters get counted as present in the window.

    It's in set_vertical_scroll_bar (which I just created a few days ago
    by extracting the code out of redisplay_window).

Can you fix this bug?