[wp-trac] [WordPress Trac] #32150: List table: better indication for "no taxonomy"

[WordPress Trac]

#32150: List table: better indication for "no taxonomy"
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 Reporter:  afercia            |      Owner:
     Type:  defect (bug)       |     Status:  new
 Priority:  normal             |  Milestone:  Awaiting Review
Component:  Administration     |    Version:  4.2
 Severity:  normal             |   Keywords:
  Focuses:  ui, accessibility  |
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 Posts (and Custom Post Types and Media, when they have a taxonomy) list
 the specified terms in the related table column, see screenshot:

 [[Image(https://cldup.com/O5ycxoRSzL.png)]]

 One of the things reported by testers in
 [https://make.wordpress.org/accessibility/2015/04/14/usertest-link-texts-
 in-the-page-with-all-posts-edit-php/ the accessibility testing session
 dedicated to the posts screen] is that there's no clear indication when
 there are no terms specified.
 Currently, the table cell displays a `—` character (em dash) which
 gives just a visual feedback but most screen readers don't read out
 punctuation at all (that would be meaningless even if read out).
 We'd like to propose to use some explicit text to give a better feedback.
 To keep things simple I'd suggest to use a short, generic text suitable
 for either Posts, CPTs and Media. Wondering if something like "No terms"
 would be appropriate.
 Any thoughts and suggestions more than welcome.

 As far as I see, there are two occurrences of that em dash that would need
 to be changed, the first one in `class-wp-posts-list-table.php` and the
 second one in `class-wp-media-list-table.php`

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Ticket URL: <https://core.trac.wordpress.org/ticket/32150>
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