TOP-OR-BOTTOM: banish the mouse to top or bottom of frame or window.
TOP-OR-BOTTOM-POS: Distance from top or bottom edge of frame or window."
:group 'avoid
+ :version "24.3"
:type '(alist :key-type symbol :value-type symbol)
:options '(frame-or-window side (side-pos integer)
top-or-bottom (top-or-bottom-pos integer)))