diff --git a/ui (gen4)/testing.js b/ui (gen4)/testing.js
index 77e92594..7595d56d 100755
--- a/ui (gen4)/testing.js	
+++ b/ui (gen4)/testing.js	
@@ -40,10 +40,12 @@ module.mock_data = {
 
 	order: [],
 
-	ribbon_order: ['y', 'x'],
+	ribbon_order: ['r0', 'r1'],
 	ribbons: {
-		x: ['1', '2', '3'],
-		y: ['a', 'b', 'c', 'd', 'e', 'f', 'g']
+		r1: ['1', '2', '3'],
+		r0: ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
+			 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
+			 'y', 'z']
 	},
 }
 Object.keys(mock_data.ribbons).forEach(function(k){ 
diff --git a/ui (gen4)/ui.js b/ui (gen4)/ui.js
index 6d2158c1..62a7bbbd 100755
--- a/ui (gen4)/ui.js	
+++ b/ui (gen4)/ui.js	
@@ -168,6 +168,7 @@ $(function(){
 
 	window.a = testing.setupActions()
 
+	// setup features...
 	viewer.RibbonAlignToOrder.setup(a)
 	//viewer.RibbonAlignToFirst.setup(a)
 	viewer.ShiftAnimation.setup(a)
diff --git a/ui (gen4)/viewer.js b/ui (gen4)/viewer.js
index ff8e734f..5eec87a9 100755
--- a/ui (gen4)/viewer.js	
+++ b/ui (gen4)/viewer.js	
@@ -906,6 +906,7 @@ function Feature(obj){
 
 
 // XXX revise...
+// XXX need to test and tweak with actual images...
 var PartialRibbons = 
 module.PartialRibbons = Feature({
 	tag: 'ui-partial-ribbons',