Adam Silverstein 19c4841fb6 Media: introduce a "Heading" view for improved accessibility.
* Add a new media view: `wp.media.view.Heading` designed to add accessibility friendly headers in the media library/modal.
* Add an initial "Attachments list" heading above the attachments list.

Props afercia.
Fixes #36925.

Built from https://develop.svn.wordpress.org/trunk@44969


git-svn-id: http://core.svn.wordpress.org/trunk@44800 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2019-03-21 21:05:52 +00:00
..
2017-09-21 16:35:48 +00:00
2019-01-18 01:42:50 +00:00
2018-06-28 02:35:44 +00:00