* Frame expose/hide gesture (swipe in from any screen edge, swipe out over any screen edge)
+
* Frame expose/hide gesture, swipe in from any screen edge, swipe out over any screen edge
+
** Hide Frame gesture would need to avoid being interpreted as a canvas scroll (will need tuning, probably a combination of touch start edge proximity and gesture speed)
+
** Need to consider Frame vs. page turning gestures, left/right page turning would need to avoid screen edge to allow for Frame gesture
* Hide keyboard shortcut hint accelerators
* Hide keyboard shortcut hint accelerators
* Hide/expose on screen keyboard. Show one or other, not both at the same time
* Hide/expose on screen keyboard. Show one or other, not both at the same time