anchor.diff:  
   [source,js]
   --------------------------------------------------
  -PUT /my-index/queries/1
  +PUT /my-index/queries/1?refresh
   {
       "query" : {
           "match" : {
  
positive.code:   }
  }
  --------------------------------------------------
  
  Instead of the query in the search request highlighting the percolator hits, the percolator queries are highlighting
  the document defined in the `percolate` query.
  
negative.code: [source,js]
  --------------------------------------------------
  {
    "took": 13,
    "timed_out": false,
    "_shards": {
      "total": 5,
  