title: How to use XmlPeek task?
body: <p>I've read in the MSDN MSBuild Task Reference about XmlPeek task at <a href="http://msdn.microsoft.com/en-us/library/ff598684(v=VS.100).aspx" rel="noreferrer">http://msdn.microsoft.com/en-us/library/ff598684(v=VS.100).aspx</a>
  but I cannot use it in my MSBuild script. If you have used this before, please show me how!</p>