diff --git a/experiments/outline-editor/editor.css b/experiments/outline-editor/editor.css
index 6160c4b..4515b06 100755
--- a/experiments/outline-editor/editor.css
+++ b/experiments/outline-editor/editor.css
@@ -250,9 +250,10 @@
 	font-size: 1em;
 }
 
+/* Lists... */
 /* XXX needs to be in the middle of the first span but with universal size... */
 .editor .outline .list-item:before,
-.editor .outline .list>[tabindex]>span:before {
+.editor .outline .list>[tabindex]>span:not(:empty):before {
 	--size: 0.5rem;
 
 	display: inline-block;
@@ -267,10 +268,16 @@
 	background: silver;
 }
 
+/* Highlightes... */
+.editor .outline .ASAP {
+	font-weight: bold;
+	background: yellow;
+}
 .editor .outline .XXX>span {
 	background: yellow;
 }
 
+/* Comments... */
 .editor.hide-comments .outline .comment {
 	display: none;
 }
@@ -279,7 +286,7 @@
 }
 
 
-/* checkboxes... */
+/* Checkboxes... */
 :root {
 	/* NOTE: this must have a unit... */
 	/* XXX move this to the config when fixed... */
diff --git a/experiments/outline-editor/editor.js b/experiments/outline-editor/editor.js
index 5c8ea4c..b1b92e5 100755
--- a/experiments/outline-editor/editor.js
+++ b/experiments/outline-editor/editor.js
@@ -281,6 +281,10 @@ var Outline = {
 		var elem = {
 			collapsed: false,
 		}
+		// only whitespace -> keep element blank...
+		if(code.trim() == ''){
+			elem.text = ''
+			return elem }
 		var style = function(style, code=undefined){
 			style = [style].flat()
 			that.__styles = [...new Set([
@@ -321,13 +325,13 @@ var Outline = {
 			.replace(/^((\/\/|;)\s+.*)$/m, style('comment'))
 			.replace(/^XXX\s+(.*)$/m, style('XXX'))
 			.replace(/^(.*)\s*XXX$/m, style('XXX'))
+			.replace(/(\s*)ASAP(\s*)/m, '$1<span class="ASAP">ASAP</span>$2')
 			// elements...
 			.replace(/(\n|^)---*\h*(\n|$)/m, '$1<hr>')
 			// ToDo...
 			.replace(/^TODO\s*/m, style('todo', '<input type="checkbox">'))
 			.replace(/^DONE\s*/m, style('todo', '<input type="checkbox" checked>'))
 			// checkboxes...
-			// XXX these can not be clicked (yet)...
 			.replace(/\[_\]/gm, style('check', '<input class="check" type="checkbox">'))
 			.replace(/\[[X]\]/gm, style('check', '<input class="check" type="checkbox" checked>'))
 			// basic styling...
diff --git a/experiments/outline-editor/index.html b/experiments/outline-editor/index.html
index 69f6dc3..53f5d81 100755
--- a/experiments/outline-editor/index.html
+++ b/experiments/outline-editor/index.html
@@ -65,7 +65,7 @@ var setup = function(){
   - ~add optional text styling to nodes~
   - 
 - ## TEST
-  - Formatting:
+  - ### Formatting:
     - Styles
       - # Heading 1
       - ## Heading 2
@@ -83,6 +83,8 @@ var setup = function(){
 	  - XXX Highlight
 	- Line
 		- ---
+	- Markers
+	  - Basic "as soon as posible" (ASAP)
     - Basic inline *bold*, _italic_ and ~striked~
 	- To do items
 	  - TODO undone item
@@ -90,19 +92,21 @@ var setup = function(){
 	  - DONE done item
 	  - [_] a different way to draw a checkbox
     - Inline [X] checkboxes [_]
-  - A
-    collapsed:: true
-    - a
-    - b
-    - c
-  - B
-    - d
-    - e
-  - C
-    - This is a line of text
-    - This is a set
-      text lines
-    - Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text </div>
+	- 
+  - ### Playground for testing
+    - A
+      collapsed:: true
+      - a
+      - b
+      - c
+    - B
+      - d
+      - e
+    - C
+      - This is a line of text
+      - This is a set
+        text lines
+      - Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text Lots of text </div>
 	<!-- outline -->
 	<div class="outline"></div>
 	<!-- toolbar (optional) -->