A comment (related to issue #45)

Author: janodvarko

lib/pixel-perfect-actor.js

@@ -279,6 +279,9 @@ var PixelPerfectActor = ActorClass(
   onNavigate: function({isTopLevel}) {
     Trace.sysout("onNavigate " + isTopLevel);
 
+    // xxxHonza: remove anonymous content created for the
+    // previous page. We need onPreNavigate, perhaps?
+
     if (isTopLevel) {
       // Reset all anonymous content built for the previous page.
       this.layers.forEach(layer => layer.content = null);