nl_tokens: Wrapper for linking function which converts normal linking function into a grouped linking function .
pl_tokens: function groupElementsLinkFnWrapper ( linkFn , attrStart , attrEnd ) { return function ( scope , element , attrs , controllers ) { <mask> = groupScan ( element [ 0 ] , attrStart , attrEnd ) ; return linkFn ( scope , element , attrs , controllers ) ; } }