The buttons with those IDs are type=menu, not type=panel.
Created attachment 8638420 [details] [diff] [review] type-panel.diff
Attachment #8638420 - Flags: review?(jaws)
Attachment #8638420 - Flags: review?(jaws) → review+
Should have caught that. Thanks.
Status: NEW → RESOLVED
Last Resolved: 3 years ago
status-firefox42: affected → fixed
Resolution: --- → FIXED
Target Milestone: --- → Firefox 42
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