. When Alt Gr is pressed, then manually post WM_CHAR message on receiving a WM_KEYDOWN (manually translate and account for shift/control/caps-lock)
. Hook filter: suppress Alt Gr's (ie. RMENU's) fake LCONTROL messages
Also:
. Hook filter: allow Ctrl+Shift+Esc (for Task Manager)
. Keyboard: refactor only use accessor functions to get the Alt/Control/Shift state
. Created a dedicated thread with message loop (#570)
HookFilter dll: Only call GetKeyState() if keycode is ESC (instead of every time)
DebuggerCursorUpdate(): reduce sleep from 10ms to 1ms
. Also suppress ALT+SPACE
. PostMessage to AppleWin message-pump for WM_KEYDOWN, WM_KEYUP for these special key combos
. Add special any-key-down (AKD) handling for these special key combos