anchor.diff:  == Relational operators
   
   Relational operators allow comparisons between objects, to know if two objects are the same or different,
  -or if one is greater or lower than or equal to the other.
  +or if one is greater than, less than, or equal to the other.
   
   The following operators are available:
   
  
positive.code: |
  
  | +-+
  | substraction
  |
  
  | +*+
  
negative.code: | greater than or equal
  |====
  
  Here are some examples of simple number comparisons using these operators:
  
  [source,groovy]
  ----
  