doomsday clock, speed control is added and changes are made to
allow large numbers of rings: rings now show the whole ring
number, not just the last digit; consecutive rings are allowed to
be the same size when necessary to fit all the rings in the
window; and poles can be oriented horizontally. Face support is
thrown in gratuitously.
(hanoi): Changed default number of rings back to 3.
(hanoi-unix, hanoi-unix-64): New commands
(hanoi-horizontal-flag, hanoi-move-period, hanoi-use-faces,
hanoi-pole-face, hanoi-base-face, hanoi-even-ring-face,
hanoi-odd-ring-face): New variables.
(hanoi-internal, hanoi-current-time-float, hanoi-put-face,
hanoi-n, hanoi-insert-ring, hanoi-goto-char, hanoi-sit-for,
hanoi-ring-to-pos, hanoi-pos-on-tower-p): New functions.
(hanoi-0): Renamed from hanoi0, for symmetry with hanoi-n.
(hanoi-topos, hanoi-draw-ring): Removed.
Compute height and width of the window in the correct way,
give the correct error message if the window is too small.
Make rings only with numerical characters.
Set default number of rings to 7 (was 3 before).
* hanoi.el (hanoi): If pole-spacing is odd, round down, not up.
To see if the window is wide enough, just check if one half of a
ring will fit inside pole-spacing.
