diff -r 9823b527c3a1 -r 78107f172e2a client/js/renderer/noderepr.js
--- a/client/js/renderer/noderepr.js	Fri Sep 18 15:36:46 2015 +0200
+++ b/client/js/renderer/noderepr.js	Fri Sep 18 15:37:50 2015 +0200
@@ -143,7 +143,14 @@
 
             this.circle.opacity = this.options.show_node_circles ? opacity : 0.01;
 
-            var _text = this.model.get("title") || this.renkan.translate(this.options.label_untitled_nodes) || "";
+            
+            //strip html from title
+            var html = this.model.get("title");
+            var div = document.createElement("div");
+            div.innerHTML = html;
+            var clean_title = div.textContent || div.innerText || "";
+            
+            var _text = clean_title || this.renkan.translate(this.options.label_untitled_nodes) || "";
             _text = Utils.shortenText(_text, this.options.node_label_max_length);
 
             if (typeof this.highlighted === "object") {
@@ -408,6 +415,7 @@
                 }
                 //when the mouse don't hover the node anymore, we hide it
                 if (this.hidden) {
+                    this.renderer.removeRepresentationsOfType("editor");
                     this.hide();
                 }
                 else {