tree-row-outline-1-notref.xhtml

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>

<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        xmlns:html="http://www.w3.org/1999/xhtml"
        >

  <tree seltype="single" flex="1">
    <treecols>
      <treecol flex="1"/>
      <treecol flex="1"/>
    </treecols>
    <treechildren>
      <treeitem><treerow><treecell label="One"/><treecell label="Two"/></treerow></treeitem>
      <treeitem><treerow><treecell label="One"/><treecell label="Two"/></treerow></treeitem>
      <treeitem><treerow><treecell label="One"/><treecell label="Two"/></treerow></treeitem>
    </treechildren>
  </tree>

</window>