[wp-trac] [WordPress Trac] #38185: Improve the post "locked indicator" accessibility

[WordPress Trac]

#38185: Improve the post "locked indicator" accessibility
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 Reporter:  afercia      |      Owner:
     Type:  defect       |     Status:  new
  (bug)                  |  Milestone:  Awaiting Review
 Priority:  normal       |    Version:
Component:               |   Keywords:  has-screenshots needs-patch good-
  Administration         |  first-bug
 Severity:  normal       |
  Focuses:  ui,          |
  accessibility          |
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 When a post is "locked" because someone else is editing it, an icon is
 displayed instead of the checkbox to visually indicate the locked status:

 [[Image(https://cldup.com/Yo0_EoWBSL.png)]]

 This is just a `<div>` element with an icon and doesn't have any text to
 convey the locked status to assistive technologies. An `aria-label` or
 some hidden text would solve the issue, needs some testing since some
 screen readers ignore CSS generated content and skip this element because
 it's just an "empty div".

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Ticket URL: <https://core.trac.wordpress.org/ticket/38185>
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