anchor.diff:  
   [source,js]
   --------------------------------------------------
  +GET /_search
   {
       "query" : {
           "nested" : {
               "path" : "comments",
               "query" : {
  -                "match" : {"comments.message" : "[actual query]"}
  +                "match" : {"comments.message" : "some message"}
               },
               "inner_hits" : {} <1>
           }
       }
   }
   --------------------------------------------------
  +// CONSOLE
   
   <1> The inner hit definition in the nested query. No other options need to be defined.
   
  
positive.code: === Inner hits
  
  The <<mapping-parent-field, parent/child>> and <<nested, nested>> features allow the return of documents that
  have matches in a different scope. In the parent/child case, parent document are returned based on matches in child
  documents or child document are returned based on matches in parent documents. In the nested case, documents are returned
  based on matches in nested inner objects.
  
  In both cases, the actual matches in the different scopes that caused a document to be returned is hidden. In many cases,
  
negative.code: 
  [source,js]
  --------------------------------------------------
  GET /_search
  {
      "query" : {
          "has_child" : {
              "type" : "comment",
              "query" : {
                  "match" : {"message" : "some message"}
              },
              "inner_hits" : {} <1>
          }
      }
  }
  --------------------------------------------------
  // CONSOLE
  
  <1> The inner hit definition like in the nested example.
  
  