This prints all paths of the playlist. The currently
active file is marked with an asterisk.
[/description]
+
+[subcommand info]
+ purpose = print information about the current file
+ [description]
+ The output contains the playlist position, the path
+ and information provided by the audio format handler.
+ [/description]
+
+[subcommand play]
+ purpose = start or resume playback
+ non-opts-name = [num]
+ [description]
+ If no argument is given, playback starts at the current
+ position. Otherwise, the corresponding file is loaded
+ and playback is started at the beginning of the file.
+ [/description]
+
+[subcommand pause]
+ purpose = suspend playback
+ [description]
+ When paused, it is still possible to jump around in
+ the file via the jmp and ff commands.
+ [/description]
+
+[subcommand tasks]
+ purpose = print list of active tasks
+ [description]
+ Mainly useful for debugging.
+ [/description]
+
+[subcommand quit]
+ purpose = exit para_play
+ [description]
+ Pressing CTRL+D causes EOF on stdin which also exits
+ para_play.
+ [/description]