anchor.diff:  
   where `localhost:9200` is the IP and port where Elasticsearch is listening.
   
  -==== win:
  +*win:*
   
   ["source","sh",subs="attributes,callouts"]
   ----------------------------------------------------------------------
  
positive.code: ----------------------------------------------------------------------
  
  [[mac]]
  ==== mac:
  
  ["source","sh",subs="attributes,callouts"]
  ----------------------------------------------------------------------
  
negative.code: https://www.elastic.co/downloads/beats/packetbeat[download page].
  
  [[deb]]
  *deb:*
  
  ["source","sh",subs="attributes,callouts"]
  ----------------------------------------------------------------------
  