anchor.diff:  [float]
   == Example mapping
   
  -A mapping could be specified when creating an index, as follows:
  +A mapping can be specified when creating an index, as follows:
   
   [source,js]
   ---------------------------------------
  
positive.code: ---------------------------------------
  // CONSOLE
  <1> Create an index called `my_index`.
  <2> Specify fields or _properties_.
  <3> Specify the data `type` and mapping for each field.
  
  
  --
  
  
negative.code:   "mappings": {
      "properties": { <2>
        "title":    { "type": "text"  }, <3>
        "name":     { "type": "text"  }, <4>
        "age":      { "type": "integer" },  <5>
        "created":  {
          "type":   "date", <6>
          "format": "strict_date_optional_time||epoch_millis"
        }
      }
  