nl_tokens: 3 . In a workspace store
pl_tokens: function ( kb , subject , path ) { if ( path . <mask> === 0 ) return [ subject ] var oo = kb . each ( subject , path [ 0 ] ) var res = [ ] for ( var i = 0 ; i < oo . length ; i ++ ) { res = res . concat ( followeach ( kb , oo [ i ] , path . slice ( 1 ) ) ) } return res }