cookiedemo = proc ()
    s = "COOKIE"
    s1 = "cookie"
    x_keymap$load("")
    root: x_window := x_display$root()
    bwidth: int := int$parse(xdemo_default("cookie", "BorderWidth"))
       except when not_found, overflow, bad_format: bwidth := 5 end
    back: x_pixmap := x_display$white()
    bdr: x_pixmap := x_display$black()
    plane: int := 1
    backpix: int := WhitePixel
    textpix: int := BlackPixel
    if x_display$cells() > 2
       then begin
	    r, g, b: int := x_parse_color(xdemo_default("cookie", "Border"))
	    bdr := x_pixmap$tile(x_display$alloc_color(r, g, b))
	    end except when not_found: end
	    begin
	    r, g, b: int := x_parse_color(xdemo_default("cookie", "Background"))
	    backpix := x_display$alloc_color(r, g, b)
	    back := x_pixmap$tile(backpix)
	    end except when not_found: end
	    begin
	    r, g, b: int := x_parse_color(xdemo_default("cookie", "Foreground"))
	    textpix := x_display$alloc_color(r, g, b)
	    end except when not_found: end
       end
    font: x_font := x_font$create("esch80")
       except when error (*): font := x_font$create("oldeng") end
       except when error (*): font := x_font$create(xdemo_default("cookie",
								  "BodyFont"))
	      end
    fwidth, fheight: int, f, l: char, b: int, fix: bool := x_font$query(font)
    swid: int := x_font$width(font, s)
    w: x_window := x_window$create((x_display$width() - swid - 20) / 2,
				   (x_display$height() - fheight - 20) / 2,
				   swid + 5, fheight + 5,
				   back, root, bwidth, bdr)
    w.name := "cookie"
    w.input := KeyPressed + KeyReleased + ExposeWindow
    x_window$map(w)
    x_window$text(w, s, font, textpix, backpix, 5, 5)
    i: int := 1
    ev: event := x_input$empty_event()
    while i <= string$size(s) do
	x_input$deq(ev)
	if ev.kind = ExposeWindow
	   then x_window$text(w, s, font, textpix, backpix, 5, 5)
	 elseif ev.kind = KeyPressed
	   then c: char := x_keymap$getc(ev.value, ev.mask)
		   except when none, multi (*): continue end
		if c = s[i]  cor  c = s1[i]
		   then i := i + 1
		   else i := 1
		   end
	 else i := 1 end
	end
    x_window$clear(w)
    x_window$text(w, "YUMMY", font, textpix, backpix, 5, 5)
    x_flush()
    sleep(2)
    x_window$destroy(w)
    end cookiedemo