I've also discovered that if you have the have focus on the pane you
unmount then the behaviour is as expected. The pane you unmount closes
and the window stays open with the other pane(s) displayed.
In other words the bug only occurs when you unmount something that is in
a pane that does not
Public bug reported:
Binary package hint: nautilus
If you unmount something that is open in a tab in (the same?) nautilus
window the entire window closes instead of just closing that tab.
Scenario. I have a sftp bookmarked. I open that.
Press F3 for a new pane or ctrl-t for a new tab - the