-tracks may be specified by name or by ID. If you use the name and a track
-appears twice in the queue it is undefined which is affected.
-.SS "Privileged Commands"
-These commands are only available to privileged users.
-.TP
-.B become \fIUSER\fR
-Become another user.
-.TP
-.B reconfigure
-Make the daemon reload its configuration file.
-.TP
-.B rescan
-Rescan the filesystem for new tracks. There is an automatic daily rescan but
-if you've just added some tracks and want them to show up immediately, use this
-command.
-.TP
-.B shutdown
-Shut down the daemon.
-.SH PREFERENCES
-Currently the following preferences are supported. Some are expected
-to be set by users, others updated automatically by plugins.
-.TP
-.B pick_at_random
-If this preference is present and set to "0" then the track will not
-be picked for random play. Otherwise it may be.
-.TP
-.B played
-A decimal integer giving the number times the track was played. This
-includes tracks that are scratched or were picked at random.
-.TP
-.B played_time
-The last time the track was played, as a \fBtime_t\fR converted to a
-decimal integer.
-.TP
-.B scratched
-The number of times the track has been scratched.
-.TP
-.B requested
-A decimal integer giving the number of times the track was requested.
-(Tracks that are removed before being played are not counted.)
-.TP
-.B tags
-Tags that apply to this track, separated by commas. Tags can contain any
-printing character except comma. Leading and trailing spaces are not
-significant but internal spaces are.
-.IP
-Using the
-.B required-tags
-and
-.B prohibited-tags
-global preferences, it is possible to limit the tracks that will be selected at
-random.
-.TP
-.B trackname_\fICONTEXT\fB_\fIPART\fR
-These preferences can be used to override the filename parsing rules
-to find a track name part. For backwards compatibility,
-\fBtrackname_\fIPART\fR will be used if the full version
-is not present.
-.TP
-.B unscratched
-The number of times the track has been played to completion without
-being scratched.
-.SH "Superuser Commands"
-These commands will (generally) only work for root, who must be a privileged
-user.
-.TP
-.B authorize \fIUSER\fR
-Chooses a password for \fIUSER\fR and adds it to \fIconfig.private\fR. Also
-creates an appropriate \fIconfig.USER\fR, be owned by the user.
-.IP
-If at least one \fBauthorize\fR command succeeds then the server is
-automatically told to re-read its configuration.