[wp-trac] [WordPress Trac] #35079: Allow reversed attribute for ordered list HTML element

[WordPress Trac]

#35079: Allow reversed attribute for ordered list HTML element
--------------------------+-----------------------------
 Reporter:  lancewillett  |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Editor        |    Version:  trunk
 Severity:  normal        |   Keywords:  has-patch
  Focuses:                |
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 Update `kses` to allow the `reversed` attribute (boolean) on `ol` HTML
 elements.

 Spec: http://www.w3.org/TR/html-markup/ol.html#ol.attrs.reversed

 To test in the wp-admin editor, use markup like this:
 {{{
 <ol reversed="reversed">
         <li>Item 1</li>
         <li>Item 2</li>
         <li>Item 3</li>
 </ol>
 }}}

 After publishing a new post with that HTML content, the `reversed`
 attribute should persist.

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Ticket URL: <https://core.trac.wordpress.org/ticket/35079>
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