UFOCFGPLAIN = "UFOCFGPLAIN" , { Flock | Pilot | Directive | Comment } ;

Flock = StorageModifier , "FLOCK" , Identifier , "{" , 
        { Parameters | Flock_Children } 
        "}" ;
Pilot = StorageModifier , "PILOT", Identifier , "{" , 
        { Parameters | Pilot_Children } 
        "}" ;
Directive = "pluginDirectory" , Path ;
Comment = "/*" , { Identifier } , "*/" ;

StorageModifier = "immediate" | "fromTemplate" | "template" ;
Identifier = letter , { letter | decimal digit | "_" | "-" } ;
Parameters = "parameters" , "{" , 
             { ( Identifier , "=" , String ) | Comment } , 
             "}" ;
Flock_Children = "children" , "{" , {Pilot} , "}" ;
Pilot_Children = "children" , "{" , { Steerable | Behaviour } , "}" ;
Path = [ [ "." ] , "/" ] , Identifier , { "/" , Identifier } ;

String = Identifier | ( '"' , Identifier , { " " Identifier } , '"' ) ;
Steerable = StorageModifier , "STEERABLE" , Identifier , 
            "{" , { Parameters } "}" ;
Behaviour = StorageModifier , "BEHAVIOUR" , Identifier , 
            "{" , { Parameters | Behaviour_Children } "}" ; 

Behaviour_Children = "children" , "{" , { Behaviour } , "}" ;