anchor.diff:  ]
   ----
   
  -===== XML file structure
  +====== XML file structure
   
   [source,xml]
   ----
  
positive.code: </configurations>
  ----
  
  ===== YAML file structure
  
  [source,yaml]
  ----
  
negative.code:         key: value
          key2: value2
  ----
  