Andrea Fercia 7834856fcb Accessibility: Ensure embed iframes have a title attribute. ... Screen reader users rely on the iframe title attribute to describe the contents of iframes. A meaningful title attribute allows to quickly identify the iframe content, so users can determine which iframe to enter and explore in detail or skip if desired. Note: this is the only case where a title attribute is required for compliance with the W3C Web Content Accessibility Guidelines (WCAG). - checks for oEmbed response of type `video` or `rich` - checks if they use an iframe - fetches the title (if any) from the oEmbed response - adds the title to the embed iframe Props bamadesigner, TomHarrigan, swissspidy, jrf, afercia. Fixes #40245. git-svn-id: https://develop.svn.wordpress.org/trunk@44942 602fd350-edb4-49c9-b593-d223f7449a82		2019-03-20 17:21:56 +00:00
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phpunit	Accessibility: Ensure embed iframes have a title attribute.	2019-03-20 17:21:56 +00:00
qunit	Accessibility: Ensure embed iframes have a title attribute.	2019-03-20 17:21:56 +00:00