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

--- driver.ml.orig	2004-10-01 13:13:35.000000000 +0200
+++ driver.ml
@@ -437,7 +437,7 @@ let color_special st s =
   | "color" :: "pop" :: [] ->
      color_pop st
   | "color" :: args ->
-     let c = Dvicolor.parse_color_args args in
+     let _c = Dvicolor.parse_color_args args in
      Misc.warning "global color special is not supported"
   | _ -> ill_formed_special s;;
 
@@ -557,8 +557,6 @@ let psfile_special st s =
     let y = st.y_origin + Misc.round (st.conv *. float st.v) in
     if !visible then
       if drawbygs then
-        let dx = st.x_origin in
-        let dy = st.y_origin in
         Dev.draw_ps_by_gs file bbox (rwi, rhi)
           (x - st.x_origin) (y - st.y_origin)
       else 
@@ -1685,8 +1683,6 @@ let unfreeze_glyphs cdvi dpi =
   let sdpi = Misc.round (mag *. ldexp dpi 16)
   and mtable = ref dummy_mtable
   and gtable = ref dummy_gtable in
-  let headers = ref []
-  and xrefs = cdvi.base_dvi.Cdvi.xrefs in
   let otherwise = function
     | Dvicommands.C_fnt n ->
         let (mt, gt) =