diff --git a/experiments/outline-editor/editor.js b/experiments/outline-editor/editor.js
index 5061dcf..e12cbf3 100755
--- a/experiments/outline-editor/editor.js
+++ b/experiments/outline-editor/editor.js
@@ -609,10 +609,12 @@ var Outline = {
 		outline.addEventListener('click', 
 			function(evt){
 				var elem = evt.target
-				// expand/collapse...
-				// XXX
-				if(elem.getAttribute('collapsed')){
-				}
+				// expand/collapse
+				// NOTE: clicking outside the element to the right i.e. on :after/:before
+				if(elem.nodeName == 'DIV' 
+						&& elem.getAttribute('tabindex')
+						&& evt.clientX > elem.offsetWidth){
+					that.toggleCollapse(elem) }
 				// todo: toggle checkbox...
 				if(elem.classList.contains('todo')){
 					var node = elem.parentElement.parentElement
diff --git a/experiments/outline-editor/index.html b/experiments/outline-editor/index.html
index e6de346..69f6dc3 100755
--- a/experiments/outline-editor/index.html
+++ b/experiments/outline-editor/index.html
@@ -35,6 +35,7 @@ var setup = function(){
 	- Bonsai
   - 
 - ## ToDo
+  - do a better expand/collapse icon on hover
   - read-only mode
   - editor: bksapce/del at start/end of a block should join it with prev/next
   - editor: pressing enter in text edit mode should split text into two blocks