anchor.diff:  
   [source,js]
   ----
  -PUT twitter?include_type_name=true
  +PUT twitter
   {
     "mappings": {
       "user": {
  
positive.code: [float]
  === Use `include_type_name=false` to prepare for upgrade to 8.0
  
  Index creation, mappings and document APIs support the `include_type_name`
  option. When set to `false`, this option enables the behavior that will become
  default in 8.0 when types are removed. See some examples of interactions with
  Elasticsearch with this option turned off:
  
  [float]
  ==== Index creation
  
negative.code:       },
        "filter": {
          "match": {
            "type": "tweet" <2>
          }
        }
      }
  