Tk::DragDrop::SunConst - Constants for Sun's Drag&Drop protocol
=for pm DragDrop/DragDrop/SunConst.pm
=for category Experimental Modules
This module defines symbolic name subs for the numeric constants that
make up Sun's Drag&Drop protocol. They are in this module with Exporter
as they are shared between the two halves (Dropper and Receiver) of