|COMMAND ARG ARG command (Tcl list) whose output is the notes
NOTES-FILE ordinary file
+ --filter-separate-lock-owner
+ In the filter, show two separate 3-button filters for the lock
+ status, and the ship owner, rather than one 9-button filter with
+ an option for each combination. (If there are no notes, only
+ one 3-button filter, for the lock status, is shown, anyway.)
+
--vessel-info-source RSYNC-SRC
Update information about vessels, subclasses, icons, etc. from
RSYNC-SRC. Default is yarrg.chiark.net::yarrg/vessel-info.