- Change something in a citation.
- Click Undo.
- Click Redo.
- Click away. Why's that box still open?
It turns out that I can still edit (e.g., double-click another word and change its formatting), but I can't get rid of the box until I click the Cite button.
Reported by User:SUM1 at https://en.wikipedia.org/wiki/Wikipedia:VisualEditor/Feedback#Major_bug:_VisualEditor_stops_working_when_a_certain_sequence_of_operations_is_performed_to_a_citation