android/testData/dom/xml/preferenceHeaders.xml

<preference-headers
    xmlns:android="http://schemas.android.com/apk/res/android" >

  <header
      android:fragment="p1.p2.MyFragmentActivity$MyFragment"
      android:title="title" />

  <header
      android:fragment="p1.p2.MyFragmentActivity$<error>MyFragment1</error>"
      android:title="title1"
      <warning>android:someAttr</warning>="">

    <extra android:name="someKey" android:value="someHeaderValue" />
    <intent android:action="android.intent.action.VIEW" android:data="http://www.android.com" />
    <<warning>someTag</warning>/>
  </header>

  <<warning>someTag</warning>/>

</preference-headers>