new coga SC #31 ready to be submitted

I believe that this SC is clear enough to be added to 2.1 but welcome any
comments or suggestions

thanks

*Consistent Cues*
Provide Consistent Cues: Within a set of web pages, consistent cues are
provided that identify different content types, and the state of elements
and regions, which help the user understand their roles or states.

(AA)

https://github.com/w3c/wcag21/issues/31


Steve Lee
OpenDirective http://opendirective.com