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diff --git a/testsuite/vests/vhdl-ams/ashenden/compliant/attributes-and-groups/sequencer.vhd b/testsuite/vests/vhdl-ams/ashenden/compliant/attributes-and-groups/sequencer.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 
+
+package timing_attributes is
+
+  attribute max_wire_delay : delay_length;
+
+end package timing_attributes;
+
+
+entity sequencer is
+end entity sequencer;
+
+
+-- code from book
+
+library ieee;  use ieee.std_logic_1164.all;
+use work.timing_attributes.all;
+
+architecture structural of sequencer is
+
+  signal recovered_clk1, recovered_clk2 : std_logic;
+  signal test_enable : std_logic;
+  signal test_data : std_logic_vector(0 to 15);
+
+  attribute max_wire_delay of
+    recovered_clk1, recovered_clk2 : signal is 100 ps;
+
+  attribute max_wire_delay of others : signal is 200 ps;
+
+  -- . . .
+
+begin
+  -- . . .
+  -- not in book
+  assert false report time'image(recovered_clk1'max_wire_delay) severity note;
+  assert false report time'image(recovered_clk2'max_wire_delay) severity note;
+  assert false report time'image(test_enable'max_wire_delay) severity note;
+  assert false report time'image(test_data'max_wire_delay) severity note;
+  -- end not in book
+end architecture structural;
+
+-- code from book