Under option 1 (WCAG 2.0 + normative extensions), another possibility would be to unify and consolidate all of the extensions into a single WCAG 2.0 Extensions document that would proceed through the Recommendation track as a single specification.
WCAG 2.0 does not, for the most part, have guidelines or success criteria for specific disabilities and I would prefer that disability-specific extensions be avoided. The emphasis is instead on universal design – recognizing where possible the measures that benefit multiple communities, while still addressing needs that are unique to people with specific disabilities. I think this emphasis should remain in the preferred extension model.
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