See attached file. Sequences like <p style="display: none" aria-hidden="false">4) <math><msqrt><mi>x</mi></msqrt></math></p> <p style="display: none">6) <math aria-hidden="false"><msqrt><mi>x</mi></msqrt></math></p> should be accessible, but they are not
<rdar://problem/16109954>
The nested one should not be accessible. aria-hidden="false" should not override the unrendered display of an ancestor node. It should only override it's own display. The first should be accessible. The second should not.