[wp-trac] [WordPress Trac] #30208: Twenty Fifteen: expanding a sub-menu when the sidebar is fixed needs to conditionally unfix the sidebar

[WordPress Trac]

#30208: Twenty Fifteen: expanding a sub-menu when the sidebar is fixed needs to
conditionally unfix the sidebar
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 Reporter:  celloexpressions  |       Owner:
     Type:  defect (bug)      |      Status:  new
 Priority:  normal            |   Milestone:  4.1
Component:  Bundled Theme     |     Version:  trunk
 Severity:  blocker           |  Resolution:
 Keywords:  has-patch         |     Focuses:  ui
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Comment (by iandstewart):

 To bring out the comments from our discussion in Slack onto the ticket,
 there are likely better solutions than "just not fixing the sidebar when
 there is a menu with submenus" but this solution _is_ a solution. It
 works.

 "It's less than ideal, because in my mind there is a JS solution that
 would be perfect. But it's a good chunk of JS work. And we're running out
 of time." — @mark

 Committing @mattwiebe's solution and closing the ticket.

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Ticket URL: <https://core.trac.wordpress.org/ticket/30208#comment:10>
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