anchor.diff:  
     <!-- XSLT response writer transforms the XML output by any xslt file found
          in Solr's conf/xslt directory.  Changes to xslt files are checked for
  -       every xsltCacheLifetimeSeconds.  
  +       every xsltCacheLifetimeSeconds.
      -->
     <queryResponseWriter name="xslt" class="org.apache.solr.request.XSLTResponseWriter">
       <int name="xsltCacheLifetimeSeconds">5</int>
  
positive.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.
  
  
negative.code:     <lst name="engine">
        <!-- The name, only one can be named "default" -->
        <str name="name">default</str>
        <!--
             Class name of Carrot2 clustering algorithm. Currently available algorithms are:
  
             * org.carrot2.clustering.lingo.LingoClusteringAlgorithm
             * org.carrot2.clustering.stc.STCClusteringAlgorithm
  
             See http://project.carrot2.org/algorithms.html for the algorithm's characteristics.
          -->
        <str name="carrot.algorithm">org.carrot2.clustering.lingo.LingoClusteringAlgorithm</str>
        <!--
             Overriding values for Carrot2 default algorithm attributes. For a description
             of all available attributes, see: http://download.carrot2.org/stable/manual/#chapter.components.
             Use attribute key as name attribute of str elements below. These can be further
  