Re: ISSUE-633 Changes ready for final review

All looks great! I'm not sure about the articlefeed naming. This name makes it look like it is limited to the article element. Would dropping article and simply naming it feed be an option? Then it could be anything (feed of images, list items, links, sections, etc). 

—Michiel

> On 12 Nov 2015, at 12:18, Matt King <a11ythinker@gmail.com> wrote:
> 
> Here is a High-level summary of the issue 633 changes contained in branch mck_issue633[1] that are ready for final review.
>  
> 1. Revised grid role description to explain how grid can be used to provide arrow key navigation and flexible layout for sets of interactive elements, such as links and buttons. The revisions also clarify focus management and the purpose of readonly in grids.
>  
> 2. Updated treegrid role to include new language about the readonly state from the revised grid role.
>  
> 3. Added articlefeed role so screen reader users can stay in reading mode while reading and scrolling through infinitely scrolling sources of information.
>  
> 4. Modified article role to support aria-setsize and aria-posinset when the article is contained in an articlefeed.
>  
> 5. Modified aria-busy to clarify its purpose and add support for the articlefeed role.
>  
> The above is a reduced set of the original proposal. It does not resolve all aspects of issue 633, but covers all the most pressing use cases.
>  
> I will put more detail into tracker in issue 633 and action 1505 when I close them.
>  
> [1] http://rawgit.com/w3c/aria/mck_issue633/aria/aria.html
>  
> Matt King