src/cm/media/js/lib/yui/yui3-3.15.0/build/series-combospline-stacked/series-combospline-stacked-min.js
add some more custom config and put every thing in comment in the custom.yaml template
YUI.add("series-combospline-stacked",function(e,t){e.StackedComboSplineSeries=e.Base.create("stackedComboSplineSeries",e.StackedComboSeries,[e.CurveUtil],{drawSeries:function(){this.get("showAreaFill")&&this.drawStackedAreaSpline(),this.get("showLines")&&this.drawSpline(),this.get("showMarkers")&&this.drawPlots()}},{ATTRS:{type:{value:"stackedComboSpline"},showAreaFill:{value:!0}}})},"@VERSION@",{requires:["series-combo-stacked","series-curve-util"]});