anchor.diff:        l_set_av
         l_set_office
       ];
  -  };
  +  });
   
     l_set_base = buildEnv {
       name = "l-set-base";
  
positive.code: # `rec` keyword simply defines a recursive set instead of a plain set
  # (attributes can be defined in terms of each other in a recursive manner).
  with super; rec {
    l_set_home = buildEnv {
      name = "l-set-home";
      ignoreCollisions = true;
      paths = [
  
negative.code:       l_set_games
        l_set_misc
      ];
    });
  
    l_set_web = buildEnv {
      name = "l-set-web";
  