anchor.diff:  -----------------------------
   
   [float]
  -==== Enabling caching per request
  +==== Enabling and disabling caching per request
   
   The `request_cache` query-string parameter can be used to enable or disable
   caching on a *per-request* basis.  If set, it overrides the index-level setting:
  
positive.code: but it will cache `hits.total`,  <<search-aggregations,aggregations>>, and
  <<search-suggesters,suggestions>>.
  
  Queries that use `now` (see <<date-math>>) cannot be cached.
  ===================================
  
  [float]
  
negative.code: ------------------------
  
  [float]
  ==== Enabling and disabling caching
  
  The cache is enabled by default, but can be disabled when creating a new
  index as follows:
  
  [source,js]
  