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diff --git a/testsuite/vests/vhdl-ams/ashenden/compliant/design-processing/dff.vhd b/testsuite/vests/vhdl-ams/ashenden/compliant/design-processing/dff.vhd
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+
+-- Copyright (C) 2002 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 
+
+library ieee;  use ieee.std_logic_1164.all;
+               
+entity dff is
+  port ( signal d, clk : in std_ulogic;  q : out std_ulogic );
+end entity dff;
+
+----------------------------------------------------------------
+
+architecture behav of dff is
+begin
+  
+  storage : process ( clk ) is
+  begin
+    if clk'event and (clk = '1' or clk = 'H') then
+      q <= d after 5 ns;
+    end if;
+  end process storage;
+        
+end architecture behav;