Ryan Wyllie f56ae5a7ac MDL-35918 javascript: dialogues screen reader support
The YUI notification dialogues will now set the appropriate
aria attributes when they are shown/hidden to allow screen
readers to navigate them correctly.

When the dialogue is shown all background elements will be marked
as hidden while the dialogue is marked as visible to a screen reader.

When the dialogue is closed the modified elements will be reverted
to their previous state and the dialogue will be marked as hidden to
a screen reader.
2015-09-29 04:48:57 +00:00
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