anchor.diff:  <2> Set default values for options that are not present in the configuration
       file.
   
  -=== Setup
  +==== Setup
   
   The `Setup` method gives you the opportunity to execute things before the main
   loop, usually for initialization. In the case of Topbeat, it only assigns the Beat
  
positive.code: }
  ----------------------------------------------------------------------
  
  == The main function
  
  If you follow the Topbeat model and put your Beat specific code in it's own type
  that implements the `Beater` interface, the code from your main package becomes
  
negative.code: }
  ----------------------------------------------------------------------
  
  ==== Stop
  
  Finally, the `Stop` method is called when the Beat is signalled to stop, for
  example via the SIGTERM signal on Unix systems or via the service control
  