anchor.diff:      -->
     <lib dir="../../contrib/clustering/lib/downloads/" />
     <lib dir="../../contrib/clustering/lib/" />
  -  <lib dir="/total/crap/dir/ignored" /> 
  +  <lib dir="/total/crap/dir/ignored" />
     <!-- an exact path can be used to specify a specific file.  This will cause
          a serious error to be logged if it can't be loaded.
  -  <lib path="../a-jar-that-does-not-exist.jar" /> 
  -  -->
  -
  -  
  +  <lib path="../a-jar-that-does-not-exist.jar" />
  +  -->
  +
  +
     <!-- Used to specify an alternate directory to hold all index data
          other than the default ./data under the Solr home.
          If replication is in use, this should match the replication configuration. -->
  
positive.code:     <!--  To aid in advanced debugging, you may turn on IndexWriter debug logging.
        Setting to true will set the file that the underlying Lucene IndexWriter
        will write its debug infostream to.  -->
       <infoStream file="INFOSTREAM.txt">false</infoStream> 
  
    </mainIndex>
  
  
negative.code:   <!-- queryResponseWriter plugins... query responses will be written using the
      writer specified by the 'wt' request parameter matching the name of a registered
      writer.
      The "default" writer is the default and will be used if 'wt' is not specified
      in the request. XMLResponseWriter will be used if nothing is specified here.
      The json, python, and ruby writers are also available by default.
  
  