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diff --git a/aapl/dlistval.h b/aapl/dlistval.h
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+/*
+ *  Copyright 2002 Adrian Thurston <thurston@complang.org>
+ */
+
+/*  This file is part of Aapl.
+ *
+ *  Aapl is free software; you can redistribute it and/or modify it under the
+ *  terms of the GNU Lesser General Public License as published by the Free
+ *  Software Foundation; either version 2.1 of the License, or (at your option)
+ *  any later version.
+ *
+ *  Aapl 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 Lesser General Public License for
+ *  more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with Aapl; if not, write to the Free Software Foundation, Inc., 59
+ *  Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _AAPL_DLISTVAL_H
+#define _AAPL_DLISTVAL_H
+
+/**
+ * \addtogroup dlist
+ * @{
+ */
+
+/**
+ * \class DListVal
+ * \brief By-value doubly linked list.
+ *
+ * This class is a doubly linked list that does not require a list element
+ * type to be declared. The user instead gives a type that is to be stored in
+ * the list element. When inserting a new data item, the value is copied into
+ * a newly allocated element. This list is inteded to behave and be utilized
+ * like the list template found in the STL.
+ *
+ * DListVal is different from the other lists in that it allocates elements
+ * itself. The raw element insert interface is still exposed for convenience,
+ * however, the list assumes all elements in the list are allocated on the
+ * heap and are to be managed by the list. The destructor WILL delete the
+ * contents of the list. If the list is ever copied in from another list, the
+ * existing contents are deleted first. This is in contrast to DList and
+ * DListMel, which will never delete their contents to allow for statically
+ * allocated elements.
+ *
+ * \include ex_dlistval.cpp
+ */
+
+/*@}*/
+
+#define BASE_EL(name) name
+#define DLMEL_TEMPDEF class T
+#define DLMEL_TEMPUSE T
+#define DList DListVal
+#define Element DListValEl<T>
+#define DOUBLELIST_VALUE
+
+#include "dlcommon.h"
+
+#undef BASE_EL
+#undef DLMEL_TEMPDEF
+#undef DLMEL_TEMPUSE
+#undef DList
+#undef Element
+#undef DOUBLELIST_VALUE
+
+#endif /* _AAPL_DLISTVAL_H */
+