title: Order of toolbar buttons in Eclipse Kepler
body: <p>I'm trying to contribute to the same custom toolbar from two different plugin.xml files. Unfortunately I can't find a way to specify the order in which the buttons appear. The one that is supposed to be the last appears as the first button.</p>
  
  <p>I already tried to specify the insertion position by using</p>
  
  <pre><code>...
  MenuManager manager = new MenuManager(null, "my.toolbar.id");
  IMenuService menuService = (IMenuService) getEditorSite().getService( IMenuService.class);
  manager.add(new GroupMarker("testing"));
  menuService.populateContributionManager(manager, "toolbar:my.toolbar.id?after=testing");
  ...
  </code></pre>
  
  <p>and in the plugin.xml</p>
  
  <pre><code>&lt;extension point="org.eclipse.ui.menus"&gt;
    &lt;menuContribution locationURI="toolbar:my.toolbar.id?after=testing"&gt;
      &lt;toolbar id="my.toolbar.id"&gt;
  &lt;command ...
  </code></pre>
  
  <p>Does anybody have an idea what could be wrong?</p>