anchor.diff:  The following is an example of an anchor ID in a module file:
   
   ----
  -[id="default-monitoring-components_{context}"]
  -= Default monitoring components
  +[id="sending-notifications-to-external-systems_{context}"]
  += Sending notifications to external systems
   ----
   
   [NOTE]
  
positive.code: The following is an example anchor ID in an assembly file:
  
  ----
  [id="understanding-the-monitoring-stack"]
  = Understanding the monitoring stack
  ----
  
  [NOTE]
  
negative.code: The `prerequisites_`, `additional-resources_`, and `next-steps_` prefixes must end with an underscore (`_`) when declared in an anchor ID in an assembly.
  ====
  
  The following examples include IDs that are unique to the "Configuring alert notifications" assembly:
  
  *Example unique ID for a "Prerequisites" title*
  
  ----
  [id="prerequisites_configuring-alert-notifications"]
  == Prerequisites
  ----
  
  *Example unique ID for an "Additional resources" title*
  
  ----
  [id="additional-resources_configuring-alert-notifications"]
  == Additional resources
  ----
  
  *Example unique ID for a "Next steps" title*
  
  ----
  [id="next-steps_configuring-alert-notifications"]
  == Next steps
  ----
  
  