gecko-dev/dom/xbl/test/file_bug481558.xbl

<bindings xmlns="http://www.mozilla.org/xbl"
          xmlns:xbl="http://www.mozilla.org/xbl"
          xmlns:html="http://www.w3.org/1999/xhtml">
<binding id="test">
  <content>
    <children/>
    Binding Attached
  </content>
  <implementation>
    <property name="xblBoundProperty" onget="return 1;"
              exposeToUntrustedContent="true"/>
  </implementation>
</binding>
</bindings>