anchor.diff:    resolutions = map (res: ''"${toString res.x}x${toString res.y}"'') (cfg.resolutions);
     sessionType = cfg.sessionType;
   
  -  videoDriverModules = getAttr [ videoDriver ] (throw "unkown video driver : \"${videoDriver}\"") knownVideoDrivers;
  +  videoDriverModules = getAttr [ videoDriver ] (throw "unknown video driver: `${videoDriver}'") knownVideoDrivers;
   
     modules = 
   
  
positive.code:     ''; # */
    };
  
    xsession = pkgs.writeText "Xsession" ''
      source /etc/profile
      
      session=$1
      
      export PATH=$PATH:${pkgs.xterm}/bin:${pkgs.qt4}/bin:${pkgs.dbus.libs}/bin:${pkgs.kde42.kdelibs}/bin:${pkgs.xlibs.xset}/bin:${pkgs.xlibs.xsetroot}/bin:${pkgs.xlibs.xmessage}/bin:${pkgs.xlibs.xprop}/bin
      export XDG_CONFIG_DIRS=
      export XDG_DATA_DIRS=${pkgs.shared_mime_info}/share
      
      case $session in
        "")
          exec xmessage -center -buttons OK:0 -default OK "Sorry, $DESKTOP_SESSION is no valid session."
          ;;
        failsafe)
          exec xterm -geometry 80x24-0-0
          ;;
        custom)
          exec $HOME/.xsession
        ;;
        default)
          exec ${pkgs.kde42.kdebase_workspace}/bin/startkde
          ;;
        *)
        eval exec "$session"
        ;;
      esac
  
  
negative.code: in
  {
    name = "kdm";
        
    job = ''
      description "KDE Display Manager"
  
  