$NetBSD: patch-ag,v 1.1 2006/04/19 13:13:05 tonio Exp $

--- grdev.ml.orig	2004-09-03 17:08:55.000000000 +0200
+++ grdev.ml
@@ -429,8 +429,8 @@ let make_funviewport bkgd_data viewport 
    within the background viewport we choose it;
    otherwise, we choose the center of the background viewport. *)
 let make_center xcr ycr
-    ({vx = x; vy = y; vw = w; vh = h} as bgviewport)
-    ({vx = fx; vy = fy; vw = fw; vh = fh} as funviewport) =
+    ({vx = x; vy = y; vw = w; vh = h} as _bgviewport)
+    ({vx = fx; vy = fy; vw = fw; vh = fh} as _funviewport) =
   let xc = match xcr with
   | Some xcr ->
       (* Get the center coordinates integer values in the funviewport. *)
@@ -917,7 +917,7 @@ module H =
       Graphics.set_color (get_color ())
 
     let make_anchors tag all_draw =
-      let make_anchor draw (x, y as orig) w h voff =
+      let make_anchor draw (x, y as _orig) w h voff =
         let anchor = {tag = tag; draw = List.rev draw} in
         let bw =
           match tag with
@@ -1607,7 +1607,7 @@ let wait_event () =
         try match H.find ev.mouse_x ev.mouse_y with
         | {A.action = {H.tag = H.Href h; H.draw = d}} as act ->
             if ev.button then
-              let ev' = GraphicsY11.wait_next_event button_up in
+              let _ev' = GraphicsY11.wait_next_event button_up in
               send (Href h) else
             if H.up_to_date act emph then event emph b else begin
               H.deemphasize true emph;