anchor.diff:  that´ to `ensure that´, makes a huge difference in thinking, and also
   very often in quality of the resulting code.
   
  -The SUT - Subject Under Test
  -~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  +
  +=== The SUT - Subject Under Test
   
   Since BDD talks about behaviour, there has to be something that we can
   talk about as having the wanted behaviour. This is usually called the
  
positive.code: results.
  
  
  The Standard Constraints
  ~~~~~~~~~~~~~~~~~~~~~~~~
  
  Here are the standard constraints...
  
  
negative.code: timeout to every test run. This will apply to all tests in the same
  run.
  
  
  === Building Composite Test Suites
              
  The `TestSuite` is a composite structure.  This means test suites can
  be added to test suites, building a tree structure that will be
  