anchor.diff:        "length" : 17,
         "options" : [ {
           "text" : "xorr the god jewel",
  +        "highlighted": "<em>xorr</em> the <em>god</em> jewel",
           "score" : 0.17877324
         }, {
           "text" : "xor the god jewel",
  +        "highlighted": "xor the <em>god</em> jewel",
           "score" : 0.14231323
         } ]
       } ]
  
positive.code:           "field" : "body",
            "suggest_mode" : "always",
            "min_word_len" : 1
          } ]
        }
      }
    }
  
negative.code: 
  `text`:: 
      Sets the text / query to provide suggestions for.
  
  `highlight`::
      Sets up suggestion highlighting.  If not provided then 
      no `highlighted` field is returned.  If provided must 
      contain exactly `pre_tag` and `post_tag` which are 
      wrapped around the changed tokens.  If multiple tokens 
      in a row are changed the entire phrase of changed tokens 
      is wrapped rather than each token.
  
  ==== Smoothing Models
  
  