RE: 2.1 level 3 needs rewording

Lee Roberts writes:
 > I propose the following:
 > 
 > "Design all content functionality to operate with a keyboard or keyboard
 > interface."

This is an imperative and hence can't be used at the level of success criteria.
 > 
 > or
 > 
 > "All content functionality is designed to be operated with a keyboard or
 > keyboard interface." 

I would replace "content functionality" with "functionality of the
content" or "the functionality of the content". "Content
functionality" looks like a technical term, but, confusingly, isn't.