anchor.diff:  
   My version looks like this:
   
  -[code,JavaScript]
  +[code,javascript]
   ----
   function test(is, should, msg) {
     if (is === should) {
  
positive.code: 
  My code looks like this now:
  
  [code,JavaScript]
  ----
  function test(is, should, msg) {
    if (is === should) {
  
negative.code: 
  Well it could be like anyone of the following examples, and many others!
  
  [code,javascript]
  ----
  test( add(1,1), 2, '1+1 = 2' );
  test( add(42,0), 22, '42+0 = 0' );
  