anchor.diff:      changes like deleting the index.
   
   [float]
  -=== Cloning an index
  +==== Cloning an index
   
   To clone `my_source_index` into a new index called `my_target_index`, issue
   the following request:
  
positive.code: [[indices-clone-index]]
  == Clone Index
  
  The clone index API allows you to clone an existing index into a new index,
  where each original primary shard is cloned into a new primary shard in
  the new index.
  
  [float]
  === How does cloning work?
  
  Cloning works as follows:
  
  
negative.code: replicas and may decide to relocate the primary shard to another node.
  
  [float]
  ==== Wait For Active Shards
  
  Because the clone operation creates a new index to clone the shards to,
  the <<create-index-wait-for-active-shards,wait for active shards>> setting
  