> (+ 1 2)                       
  3                               
  > (+ 1 2) ; three               
  3                               
  > (+ 1 2)                       
  5                               
  > (eval:result (bold "example"))
  example                         
  > (+ 1 2)                       
  same                            
  > (+ 1 2)                       
  Again...                        
  really the same                 
  > (+ 1 2)                       
  !                               
  error: too many repeats         
  still the same                  
  > (+ 1 2)                       
  counting                        
  1                               
  2                               
  3