Suppress system beep for unhandled key equivalents.
Suppress system beep for unhandled key equivalents.

--HG--
branch : cocoa-port

infowantstobeseen/pyglet-darwincore,infowantstobeseen/pyglet-darwincore,infowantstobeseen/pyglet-darwincore,infowantstobeseen/pyglet-darwincore,infowantstobeseen/pyglet-darwincore