E - Eraser, scroll to resize
P - Pen
L - Line
A - Arrow
R - Rectangle
C - Circle
T - Text (esc restores hotkeys)
M - Move
Ctrl+Z - Undo
Ctrl+Y - Redo
U - Show undo-stack
B - Browse stamps
~, 1-9 - Select folder/Stamp
Enter - Chat (esc restores hotkeys)
H - Hide chat
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