Suppress mouse event handling during touch
Support clipboard events, fix some selection issues
Clean up some FIXMEs
Make selection drawing work when the viewport doesn't cover the selection
Further tweaks to selection polling

Still doesn't work properly
Add scanning of surrounding dom nodes when looking for a selection node
More selection nonsense
Don't disable mouse events during touch when using textarea input
Make tests more or less run with contenteditable backend
Don't poll for selection during composition
Draw secondary selections in contentEditable input model
Place cursor at correct offset in bidi text
Improve handling of composition events
Fix focus issue in Firefox
Don't treat single-pixel-radius touch events as touch events
[contenteditable input] React to input invent by reading text from DOM
Override tap events to avoid Chrome's magnifying behavior

It apparently believes that if the editor's nodes are directly next to
each other without margin, the user needs a magnifying glass to pick
a cursor position.
[contenteditable input] Properly handle compositionend events
[contenteditable input] Kill composition when key is handled or input is reset