The option is only intended to close the standalone window (or tab?) displaying a given message when that message is deleted (see bug 274628 for details).
This bug, if I understand correctly, is about not selecting any message at all after a given message is deleted.
The option is only intended to close the standalone window (or tab?) displaying a given message when that message is deleted (see bug 274628 for details).
This bug, if I understand correctly, is about not selecting any message at all after a given message is deleted.