diff --git a/ui (gen4)/lib/widget/browse2.js b/ui (gen4)/lib/widget/browse2.js
index d35e6359..9637a7cb 100755
--- a/ui (gen4)/lib/widget/browse2.js	
+++ b/ui (gen4)/lib/widget/browse2.js	
@@ -561,9 +561,9 @@ var BrowserPrototype = {
 				&& header.classList.add('collapsed')
 			e.appendChild(header)
 
-			// XXX STUB...
-			// XXX BUG: nested list .render() when triggered without a 
-			// 		context will render the header...
+			// collapse action handler...
+			// XXX STUB: make this overloadable...
+			// XXX handle the 'open' event...
 			e.addEventListener('click', function(evt){
 				item.collapsed = !item.collapsed
 				// XXX need to pass the root context here...