This attempts to implement a bunch of the DOM Level 3 Events spec by implementing the KeyboardEvent interface, the document focus context, and dispatching keyup/keydown/keypress events appropriately. There's also some support for multiline text input that's untested.
Source-Repo: https://github.com/servo/servo
Source-Revision: 2ffa845cf463b14b19322d477a77ffd20efa89a9
