anchor.diff:  `master-a` and `master-b`, and it is clear from this message that they do not
   match exactly.
   
  -==================================================
  +****
   
  -[discrete]
  +[[bootstrap-cluster-name]]
   ==== Choosing a cluster name
   
   The <<cluster-name,`cluster.name`>> setting enables you to create multiple
  
positive.code: * Configure `cluster.initial_master_nodes` as described above.
  * Restart all the nodes and verify that they have formed a single cluster.
  
  ==================================================
  
negative.code: * `discovery.seed_hosts`
  * `cluster.initial_master_nodes`
  
  [[modules-discovery-bootstrap-cluster-joining]]
  .Forming a single cluster
  ****
  If you start an {es} node
  without configuring these settings then it will start up in development mode and
  auto-bootstrap itself into a new cluster. If you start some {es} nodes on
  different hosts then by default they will not discover each other and will form
  