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diff --git a/testsuite/vests/vhdl-93/ashenden/compliant/ch_11_fg_11_05.vhd b/testsuite/vests/vhdl-93/ashenden/compliant/ch_11_fg_11_05.vhd
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+
+-- Copyright (C) 1996 Morgan Kaufmann Publishers, Inc
+
+-- This file is part of VESTs (Vhdl tESTs).
+
+-- VESTs is free software; you can redistribute it and/or modify it
+-- under the terms of the GNU General Public License as published by the
+-- Free Software Foundation; either version 2 of the License, or (at
+-- your option) any later version. 
+
+-- VESTs is distributed in the hope that it will be useful, but WITHOUT
+-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+-- FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+-- for more details. 
+
+-- You should have received a copy of the GNU General Public License
+-- along with VESTs; if not, write to the Free Software Foundation,
+-- Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+
+-- ---------------------------------------------------------------------
+--
+-- $Id: ch_11_fg_11_05.vhd,v 1.1.1.1 2001-08-22 18:20:48 paw Exp $
+-- $Revision: 1.1.1.1 $
+--
+-- ---------------------------------------------------------------------
+
+package words is
+
+  type X01Z is ('X', '0', '1', 'Z');
+  type uword is array (0 to 31) of X01Z;
+
+  type uword_vector is array (natural range <>) of uword;
+
+  function resolve_word ( contribution : uword_vector ) return uword;
+
+  subtype word is resolve_word uword;
+
+  -- not in book
+  type ubyte is array (0 to 7) of X01Z;
+  -- end not in book
+
+end package words;
+
+--------------------------------------------------
+
+package body words is
+
+  type table is array (X01Z, X01Z) of X01Z;
+
+  constant resolution_table : table :=
+    --  'X'  '0'  '1'  'Z'
+    --  ------------------
+    ( ( 'X', 'X', 'X', 'X' ),    -- 'X'
+      ( 'X', '0', 'X', '0' ),    -- '0'
+      ( 'X', 'X', '1', '1' ),    -- '1'
+      ( 'X', '0', '1', 'Z' ) );  -- 'Z'
+
+  function resolve_word ( contribution : uword_vector ) return uword is
+    variable result : uword := (others => 'Z');
+  begin
+    for index in contribution'range loop
+      for element in uword'range loop
+        result(element) :=
+          resolution_table( result(element), contribution(index)(element) );
+      end loop;
+    end loop;
+    return result;
+  end function resolve_word;
+
+end package body words;