The w3c gamepad specification allows browser to implement remapping of game controllers axis and buttons.
Adding a remapping gui to Firefox will allow users to:
use their preferred game controller layout with web games that do not implements a config...
When a user open a rss/atom link, Firefox show raw xml.Since it is a common format (like images, audio or video files), it would be great to have a nice formatting without relying on third party tools or extension.