-.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.