diff --git a/experiments/outline-editor/editor.js b/experiments/outline-editor/editor.js
index efb2f85..c49823b 100755
--- a/experiments/outline-editor/editor.js
+++ b/experiments/outline-editor/editor.js
@@ -357,10 +357,10 @@ var templates = {
 		
 		// button...
 		return header },
-	// XXX focus button...
+	// XXX focus button -- see todo...
 	__focusin__: function(evt, editor, elem){
-		//var node = editor.get(elem)
-		//node.querySelector('button').focus() 
+		//elem.classList.contains('block')
+		//	&& elem.querySelector('button').focus() 
 	},
 	__click__: function(evt, editor, elem){
 		e = evt.target
@@ -384,7 +384,7 @@ var templates = {
 					.slice(1)
 					.join('\n') }
 
-			// XXX handle cursor placement / selection...
+			// XXX handle cursor placement / selection markers...
 			// XXX
 
 			var direction = 
@@ -395,7 +395,7 @@ var templates = {
 			editor.focus(elem)
 			editor.edit(
 				// XXX BUG? currently this only creates a single node, 
-				// 		should be recursive...
+				// 		should be recursive, i.e. subtree...
 				editor.Block(data, direction)) } },
 }
 
diff --git a/experiments/outline-editor/index.html b/experiments/outline-editor/index.html
index 3ce3a88..a43874f 100755
--- a/experiments/outline-editor/index.html
+++ b/experiments/outline-editor/index.html
@@ -50,6 +50,14 @@ var setup = function(){
   - 
 - ## Bugs:
   focused:: true
+  - BUG: need to account for hidden elements when cursoring between elements
+    - to reproduce::
+      - XXX move from/to this element
+      - abcdefghijklmnopqrstuvwxyz
+      - [ ] and to/from this (this produces a small shift compared the the above)
+    - there's a simple and a complex solutions to this:
+      - simple: avoid hiding stuff -- not sure if this is achivable
+      - complex: estimate size of elements, including hidden ones, and account for them
   - BUG: to level headings style may not be correct...
     - # H1
       - # H2