anchor.diff:  
   * Settings, like `index.analysis.analyzer.default` are now returned as proper
     nested JSON objects, which makes them easier to work with programatically:
  -
  ++
   [source,json]
   ---------------
   {
  
positive.code: * The `cluster.routing.allocation` settings (`disable_allocation`,
    `disable_new_allocation` and `disable_replica_location`) have been
    <<modules-cluster,replaced by the single setting>>:
  
  [source,yaml]
  ---------------
  cluster.routing.allocation.enable: all|primaries|new_primaries|none
  
negative.code: 
  * The response format always has the index name, then the section, then the
    element name, for instance:
  +
  [source,json]
  ---------------
  {
  