nl_tokens: we use 600 here to ensure that the directive is caught before others
pl_tokens: function ( scope , $element , attrs , ctrl , $transclude ) { var previousElement , previousScope ; scope . $watchCollection ( attrs . ngAnimateSwap || attrs [ 'for' ] , function ( value ) { if ( previousElement ) { $animate . leave ( previousElement ) ; } if ( previousScope ) { previousScope . $destroy ( ) ; previousScope = null ; } if ( <mask> || value === 0 ) { $transclude ( function ( clone , childScope ) { previousElement = clone ; previousScope = childScope ; $animate . enter ( clone , null , $element ) ; } ) ; } } ) ; }