nl_tokens: visits a set of nodes to be parsed and recursively visits its children currentItem if provided contains the current microdata context
pl_tokens: function walkNodes ( $nodes , currentItem ) { $nodes . each ( function ( i , node ) { var $node = $ ( node ) ; var props = splitUnique ( $node . attr ( 'itemprop' ) ) ; if ( props && currentItem ) { var value = null ; if ( $node . is ( '[itemscope]' ) ) { <mask> = parseItem ( node , currentItem ) ; } else { value = parsePropertyValue ( node ) ; walkNodes ( $node . children ( ) , currentItem ) ; } currentItem . addProperties ( props , value ) ; } else if ( $node . is ( '[itemscope]' ) && ! $node . is ( '[itemprop]' ) ) { var newItem = parseItem ( node , currentItem ) ; if ( newItem !== Item . ERROR ) { items . push ( newItem ) ; } } else { walkNodes ( $node . children ( ) , currentItem ) ; } } ) ; }