[wp-meta] [Making WordPress.org] #3048: Missing keyboard accessibility of the Handbook Chapter menu

[Making WordPress.org]

#3048: Missing keyboard accessibility of the Handbook Chapter menu
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 Reporter:  rianrietveld  |       Owner:  SergeyBiryukov
     Type:  defect        |      Status:  reopened
 Priority:  normal        |   Milestone:
Component:  Handbooks     |  Resolution:
 Keywords:  needs-patch   |
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Comment (by SergeyBiryukov):

 Additionally, clicking the arrow should trigger `aria-expanded="true"` on
 the button, not on the list item.

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Ticket URL: <https://meta.trac.wordpress.org/ticket/3048#comment:10>
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