[wp-trac] [WordPress Trac] #59768: Replace `tabindex` example in submit button function docs

[WordPress Trac]

#59768: Replace `tabindex` example in submit button function docs
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 Reporter:  sabernhardt     |       Owner:  (none)
     Type:  defect (bug)    |      Status:  new
 Priority:  normal          |   Milestone:  Awaiting Review
Component:  Administration  |     Version:
 Severity:  normal          |  Resolution:
 Keywords:  needs-patch     |     Focuses:  accessibility, docs
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Comment (by sabernhardt):

 Core uses `id`, `disabled`, `aria-describedby` and/or `data-wp-lists` for
 some of its submit buttons. Or there might be a better option.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59768#comment:1>
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