Reporter: SomeoneElse
[Submitted to the original trac issue database at 4.08am, Thursday, 29th September 2011]

To reproduce, use this as an example:

http://www.openstreetmap.org/edit?gpx=1104691

Select the track that runs southeast from the layby, and move a point ever-so-slightly.
Click somewhere else.
Click on the track so that it is selected.
Click Save
Alt-click on a track waypoint such as DOA50697 to turn it into a node.
Note that both the waypoint is now a node, but the track is still selected.
Click somewhere else on the map, and you can't unselect the way!
(even after "z" to undo the waypoint creation)