UI examples to aid in our discussion of (some of) the remaining SCs

Hi gang,

On our call last Friday I mentioned that I was working on a set of 
images showing examples of a variety of UI scenarios to help us figure 
out the way forward on a number of our remaining SCs - specifically 
those involving the "UI Context" concept.

Please find this work at 
https://sites.google.com/site/wcag2ict/cross-cutting-issues-and-notes/user-interface-context/ui-context-examples

There I have linked to 10 examples helping illuminate the question of 
"how many UI Contexts are present" (which works equally well to 
illuminate the question "how many top-level frames are present" should 
we instead go that route).  I also have linked 26 examples helping 
illuminate the question of "has the UI Context changed". This latter is 
particularly geared to three of our most vexing SCs: 2.4.1 Bypass Blocks 
<https://sites.google.com/site/wcag2ict/home/2-operable/24-provide-ways-to-help-users-navigate-find-content-and-determine-where-they-are/241-bypass-blocks>, 
2.4.5 Multiple Ways 
<https://sites.google.com/site/wcag2ict/home/2-operable/24-provide-ways-to-help-users-navigate-find-content-and-determine-where-they-are/245-multiple-ways>, 
and 3.2.3 Consistent Navigation 
<https://sites.google.com/site/wcag2ict/home/3-understandable/32-make-web-pages-appear-and-operate-in-predictable-ways/323-consistent-navigation>.  
Some of the proposals for those SCs involved language asserting that a 
UI Context has changed (perhaps because document content changed) and so 
we have a "repeated blocks" situation to bypass, or we might have a need 
to require navigation consistency, etc.


Andi - if there is time at the end of our meeting agenda tomorrow, I 
would be happy to give a verbal introduction to this work.


Regards,

Peter
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