anchor.diff:  --------------------------------------------------
   
   [[get-field-mapping-api-multi-index-ex]]
  -===== Multiple indices and fields
  -
  -The get field mapping API can be used to get the mapping of multiple fields from more than one index
  -with a single call. General usage of the API follows the
  -following syntax: `host:port/<index>/_mapping/field/<field>` where
  -`<index>` and `<field>` can stand for comma-separated list of names or wild cards. To
  -get mappings for all indices you can use `_all` for `<index>`. The
  -following are some examples:
  -
  -[source,console]
  ---------------------------------------------------
  +===== Multiple targets and fields
  +
  +The get field mapping API can be used to get mappings for multiple fields from
  +multiple data streams or indices with a single request.
  +
  +The `<target>` and `<field>` request path parameters both support
  +comma-separated lists and wildcard expressions.
  +
  +You can omit the `<target>` parameter or use a value of `*` or `_all` to target
  +all data streams and indices in a cluster.
  +
  +Similarly, you can omit the `<field>` parameter or use a value of `*` to
  +retrieve mappings for all fields in the targeted data streams or indices.
  +However, the `<field>` parameter does not support the `_all` value.
  +
  +For example, the following request retrieves mappings for the `message` field in
  +any data stream or index named `twitter` or `kimchy`.
  +
  +[source,console]
  +----
   GET /twitter,kimchy/_mapping/field/message
  -
  -GET /_all/_mapping/field/message,user.id
  -
  +----
  +// TEST[setup:twitter]
  +// TEST[s/^/PUT kimchy\n/]
  +
  +The following request retrieves mappings for the `message` and `user.id` fields
  +in any data stream or index in the cluster.
  +
  +[source,console]
  +----
  +GET /_all/_mapping/field/message
  +----
  +// TEST[setup:twitter]
  +
  +The following request retrieves mappings for fields with an `id` property in any
  +data stream or index in the cluster.
  +
  +[source,console]
  +----
   GET /_all/_mapping/field/*.id
  ---------------------------------------------------
  -// TEST[setup:twitter]
  -// TEST[s/^/PUT kimchy\nPUT book\n/]
  +----
  +// TEST[setup:twitter]
  
positive.code: <titleabbrev>Get field mapping</titleabbrev>
  ++++
  
  Retrieves <<mapping,mapping definitions>> for one or more fields. This is useful
  if you don't need the <<indices-get-mapping,complete mapping>> of an index or
  your index contains a large number of fields.
  
  [source,console]
  ----
  
negative.code: [[get-field-mapping-api-specific-fields-ex]]
  ===== Specifying fields
  
  The get mapping API allows you to specify a comma-separated list of fields.
  
  For instance to select the `id` of the `author` field, you must use its full name `author.id`.
  
  