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diff --git a/testsuite/vests/vhdl-93/ashenden/compliant/ch_19_tkfifo.vhd b/testsuite/vests/vhdl-93/ashenden/compliant/ch_19_tkfifo.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_19_tkfifo.vhd,v 1.3 2001-10-26 16:29:36 paw Exp $
+-- $Revision: 1.3 $
+--
+-- ---------------------------------------------------------------------
+
+library qsim;
+
+package token_fifo_adt is
+
+  alias element_type is qsim.qsim_types.token_type;
+
+  type fifo_record;
+
+  type fifo_type is access fifo_record;
+
+  function new_fifo return fifo_type;
+
+  procedure test_empty ( variable fifo : in fifo_type;
+                         variable is_empty : out boolean );
+
+  procedure insert ( fifo : inout fifo_type;
+                     element : in element_type );
+
+  procedure remove ( fifo : inout fifo_type;
+                     element : out element_type );
+
+  -- private types
+
+  type fifo_entry_record;
+
+  type fifo_entry is access fifo_entry_record;
+
+  type fifo_entry_record is record
+                              next_entry : fifo_entry;
+                              element : element_type;
+                            end record;
+
+  type fifo_record is record
+                        head_entry, tail_entry : fifo_entry;
+                      end record;
+
+end package token_fifo_adt;