Addresses comment 2 from PaulC: http://lists.w3.org/Archives/Public/public-html-a11y/2014Jul/0024.html
Addresses comment 3 from PaulC: http://lists.w3.org/Archives/Public/public-html-a11y/2014Jul/0024.html
Addresses Comment 4 from PaulC: http://lists.w3.org/Archives/Public/public-html-a11y/2014Jul/0024.html

Agree with Paul that "skin" may be confusing to some.  Changed to "style" in reference to changing the visual style of author defined controls.
Addresses comment 5 from PaulC: http://lists.w3.org/Archives/Public/public-html-a11y/2014Jul/0024.html
Addresses comment 6 from PaulC: http://lists.w3.org/Archives/Public/public-html-a11y/2014Jul/0024.html
Addresses comment 7 from PaulC: http://lists.w3.org/Archives/Public/public-html-a11y/2014Jul/0024.html
Addresses comment 1 from PaulC: http://lists.w3.org/Archives/Public/public-html-a11y/2014Jul/0024.html

I believe the statement regarding the constant evolution of this document has been overcome by events.  I believe the second statement about it being relatively stable and on its way to publication as a Note better reflects the current state.