anchor.diff:          """
           print ("will process {} + {}".format(a, b))
           return (a,b)
  -
        example(2, 18)
      #+END_SRC
   
  -** Commands
  +== Commands
     | command        | action                                           |
     |----------------+--------------------------------------------------|
     | shift tab      | changes  fold                                    |
  
positive.code:   | ctrlc ctrld    | add a deadline to a TODO element                 |
    | ctrlc ctrls    | append a datetime                                |
   
  ** SPC commands
     spc mee    - export in different kind of files
  
  ** Todo & cie
  *** TODO todo example 
      DEADLINE: <2018-04-20 Fri>
      at the end of the title line (after example here) hit shift alt enter
      to go to the next line with another todo
  
negative.code: 
  #+OPTIONS: toc:nil
  
  = Org 
  == categories
  
     #+BEGIN_SRC c++
     void process_stuff(my_super_class* ptr)
     int a = 2;
     #+END_SRC
  
  