Please see notes/index.html Keyboard Shortcuts: Document mode: <Ctrl>+I Enter canvas mode <Ctrl>+S Save Document Canvas mode: W Increase Size S Decrease Size D Increase Velocity Effect A Decrease Velocity Effect C Next Colour X Previous Colour Z Toggle Eraser V Toggle Highlighter B Cycle Background Q Clear Screen <Return> Auto-crop and insert or save image on server* Input box: <Return> Load Document *not implemented, see Dot-Markup document 'canvas' for working example