anchor.diff:  
   === Input Values
   
  -ZONE:
  +ZONE::
     The DNS zone to be served +
  -  Type: string
  +  Type: string +
     Example: `example.com`
   
   DNS_UPDATE_KEY::
  
positive.code:   ssh_user: cloud-user
  ----
  
  
  
  
negative.code: SERVER_SPEC_FILE::
    The name of a YAML file containing the Nova instance specification values. +
    Example: +
  ----
  parameters:
    flavor: m1.small
  