anchor.diff:  
   The create index API allows to instantiate an index. Elasticsearch
   provides support for multiple indices, including executing operations
  -across several indices. Each index created can have specific settings
  +across several indices.
  +
  +[float]
  +[[create-index-settings]]
  +=== Index Settings
  +
  +Each index created can have specific settings
   associated with it.
   
   [source,js]
  
positive.code: --------------------------------------------------
  
  _Note you do not have to explicitly specify `index` section inside
  `settings` section._
  
  [float]
  [[mappings]]
  
negative.code: --------------------------------------------------
  
  [float]
  [[warmers]]
  === Warmers
  
  The create index API allows also to provide a set of <<indices-warmers,warmers>>:
  
  [source,js]
  --------------------------------------------------
  curl -XPUT localhost:9200/test -d '{
      "warmers" : {
          "warmer_1" : {
              "source" : {
                  "query" : {
                      ...
                  }
              }
          }
      }
  }'
  --------------------------------------------------
  