anchor.diff:  expected calls were made.
   
   Then we'll make sure the correct stream pointers are passed to the
  -correct functions.  This is a more realistic parameter check...
  +correct functions. This is a more realistic parameter check...
   
   [source,c]
   -----------------------
  
positive.code: }
  -----------------------
  
  It's about time we actually ran our test...
  
  -----------------------
  
negative.code: -----------------------
  
  Confident that a single character works, we can further specify the
  behaviour. Firstly an input sequence...
  
  [source,c]
  -----------------------
  