Arguments: hotspot-mixin
Returns the hotspot that is currently under the mouse in the
hotspot-mixin window, or nil if none.
Common Graphics and IDE documentation is described in About Common Graphics and IDE documentation in cgide.htm.
The documentation is described in introduction.htm and the index is in index.htm.
Copyright (c) 1998-2000, Franz Inc. Berkeley, CA., USA. All rights reserved.
Created 2000.10.5.