anchor.diff:  |
   
   | +-+
  -| substraction
  +| subtraction
   |
   
   | +*+
  
positive.code: | greater than or equal
  |====
  
  These operators into action in simple number comparisons:
  
  [source,groovy]
  ----
  
negative.code: == Relational operators
  
  Relational operators allow comparisons between objects, to know if two objects are the same or different,
  or if one is greater than, less than, or equal to the other.
  
  The following operators are available:
  
  