nl_tokens: Helper to check whether oid in inside the tree rooted at root or not .
pl_tokens: function inTree ( root , oid ) { var i ; if ( oid . length <= <mask> . length ) { return false ; } for ( i = 0 ; i < root . length ; i ++ ) { if ( oid [ i ] !== root [ i ] ) { return false ; } } return true ; }