anchor.diff:  returned information.
   end::node-id[]
   
  +tag::search-q[]
  +`q`::
  +(Optional, string) Query in the Lucene query string syntax.
  +end::search-q[]
  +
   tag::cat-s[]
   `s`::
   (Optional, string) Comma-separated list of column names or column aliases used
   to sort the response.
   end::cat-s[]
   
  +tag::search_type[]
  +`search_type`::
  +(Optional, string) Defines the type of the search operation. Available options:
  +* `query_then_fetch`
  +* `dfs_query_then_fetch`
  +end::search_type[]
  +
  +tag::search_timeout[]
  +`search_timeout`::
  +(Optional, <<time-units, time units>> Explicit timeout for each search 
  +request. Defaults to no timeout.
  +end::search_timeout[]
  +
  +tag::sort[]
  +`sort`::
  +(Optional, string) A comma-separated list of <field>:<direction> pairs.
  +end::sort[]
  +
  +tag::source[]
  +`_source`::
  +(Optional, string) True or false to return the `_source` field or not, or a 
  +list of fields to return.
  +end::source[]
  +
  +tag::source_excludes[]
  +`_source_excludes`::
  +(Optional, string) A list of fields to exclude from the returned `_source` 
  +field.
  +end::source_excludes[]
  +
  +tag::source_includes[]
  +`_source_includes`::
  +(Optional, string) A list of fields to extract and return from the `_source` 
  +field.
  +end::source_includes[]
  +
  +tag::terminate_after[]
  +`terminate_after`::
  +(Optional, integer) The maximum number of documents to collect for each shard, 
  +upon reaching which the query execution will terminate early.
  +end::terminate_after[]
  +
   tag::cat-v[]
   `v`::
   (Optional, boolean) If `true`, the response includes column headings. Defaults
   to `false`.
   end::cat-v[]
  +
  +tag::version[]
  +`version`::
  +(Optional, boolean) If `true`, returns the document version as part of a hit.
  +end::version[]
   
   tag::doc-pipeline[]
   `pipeline`::
  
positive.code: (Optional, boolean) If `true`, returns settings in flat format. Defaults to
  `false`.
  end::flat-settings[]
  
  tag::help[]
  `help`::
  
negative.code: missing or closed index.
  end::allow-no-indices[]
  
  tag::analyzer[]
  analyzer`::
  (Optional, string) Defines the analyzer to use for the query string.
  end::analyzer[]
  
  tag::analyze_wildcard[]
  `analyze_wildcard`::
  (Optional, boolean) If `true`, wildcard and prefix queries will also be 
  analyzed. Defaults to `false`.
  end::analyze_wildcard[]
  
  tag::bytes[]
  `bytes`::
  (Optional, <<byte-units,byte size units>>) Unit used to display byte values.
  end::bytes[]
  
  tag::default_operator[]
  `default_operator`::
  (Optional, string) The default operator for query string query: AND or OR. 
  Defaults to `OR`.
  end::default_operator[]
  
  tag::df[]
  `df`::
  (Optional, string) Defines the field to use as default where no field prefix is 
  given in the query string.
  end::df[]
  
  tag::expand-wildcards[]
  `expand_wildcards`::
  