Section Header
    + name := INTERFACE;
    - bibliography:="http://IsaacOS.com";
    - author :="Sonntag Benoit (bsonntag@loria.fr)";
    - comment :="User Interface and Events managment.";
    - version := 1;
    - date := "2003/04";
Section Inherit
    + parent_g_raw:Expanded G_GROUP;
Section Public
    - screen:AREA;
        Physical screen.
    - make bmp:ABSTRACT_BITMAP size (w,h:INTEGER) with elt:G_EXPR <-
Display.
    - draw_slave bmp:ABSTRACT_BITMAP from (x0,y0:INTEGER) to (x1,y1:INTEGER) <-
Connect.
    - connect_to obj:INPUT <-
    - focus:INBOX;
    - set_focus f:INBOX <-
    - resize_window (w,h:INTEGER) <-
    - run <-
Message Server.
Section Public
    - receive msg:EVENT <-