anchor.diff:  
   . Start the game
   +
  -Double-click on `ascii-hangman.exe`.
  +Double-click again on `ascii-hangman.exe`.
   
   
   === Synopsis and syntax
  
positive.code: 
  The aim of the game is to consolidate recently learned vocabulary.
  For this purpose the class composes a vocabulary list of words or expressions,
  hereafter referred to as list of secrets words.
  
  *  The class composes the list of secrets together with the teacher.
     To optimize the learning progress, it is most useful to involve the pupils
  
negative.code: - _good l_uck
  - _3*_7_=21_
  ```
  
  NOTE: Substrings enclosed by underscores, as in `\_good l\_`, are visible from the
  start of the game.
  
  NOTE: The pipe character `|` indicates a hard line break within a string.
  
  ==== Configuration file with custom image
  
  A configuration file may contain a custom image. Just like with built in
  ASCII art, the image is gradually disclosed after each right guess.
  
  ```
  secrets:
  