@@ -0,0 +1,358 @@
+package experimentalcode.remigius.gui.runnables;%0A%0Aimport org.w3c.dom.Element;%0A%0Apublic class NodeAdder implements Runnable %7B%0A%0A  private Element parent;%0A  private Element child;%0A  %0A  public NodeAdder(Element parent, Element child)%7B%0A    this.parent = parent;%0A    this.child = child;%0A  %7D%0A  %0A  @Override%0A  public void run() %7B%0A    parent.appendChild(child);%0A  %7D%0A%7D%0A

Fix re-creation of the overview.