anchor.diff:  
   [source,console]
   ----
  -GET _search
  +GET /_search
   {
     "query": {
       "range": {
  
positive.code: 
  [source,console]
  ----
  GET _search
  {
      "query": {
          "range" : {
  
negative.code: <1> Indicates that `date` values use a UTC offset of `+01:00`.
  <2> With a UTC offset of `+01:00`, {es} converts this date to
  `2019-12-31T23:00:00 UTC`.
  <3> The `time_zone` parameter does not affect the `now` value.
  