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+<!-- ...................................................................... -->
+<!-- DocBook DTD V4.2 ..................................................... -->
+<!-- File docbook.dtd ..................................................... -->
+
+<!-- Copyright 1992-2002 HaL Computer Systems, Inc.,
+     O'Reilly & Associates, Inc., ArborText, Inc., Fujitsu Software
+     Corporation, Norman Walsh, Sun Microsystems, Inc., and the
+     Organization for the Advancement of Structured Information
+     Standards (OASIS).
+
+     $Id: docbook.dtd,v 1.15 2002/07/17 15:26:29 nwalsh Exp $
+
+     Permission to use, copy, modify and distribute the DocBook DTD and
+     its accompanying documentation for any purpose and without fee is
+     hereby granted in perpetuity, provided that the above copyright
+     notice and this paragraph appear in all copies.  The copyright
+     holders make no representation about the suitability of the DTD for
+     any purpose.  It is provided "as is" without expressed or implied
+     warranty.
+
+     If you modify the DocBook DTD in any way, except for declaring and
+     referencing additional sets of general entities and declaring
+     additional notations, label your DTD as a variant of DocBook.  See
+     the maintenance documentation for more information.
+
+     Please direct all questions, bug reports, or suggestions for
+     changes to the docbook@lists.oasis-open.org mailing list. For more
+     information, see http://www.oasis-open.org/docbook/.
+-->
+
+<!-- ...................................................................... -->
+
+<!-- This is the driver file for V4.2 of the DocBook DTD.
+     Please use the following formal public identifier to identify it:
+
+     "-//OASIS//DTD DocBook V4.2//EN"
+
+     For example, if your document's top-level element is Book, and
+     you are using DocBook directly, use the FPI in the DOCTYPE
+     declaration:
+
+     <!DOCTYPE Book PUBLIC "-//OASIS//DTD DocBook V4.2//EN" [...]>
+
+     Or, if you have a higher-level driver file that customizes DocBook,
+     use the FPI in the parameter entity declaration:
+
+     <!ENTITY % DocBookDTD PUBLIC "-//OASIS//DTD DocBook V4.2//EN">
+     %DocBookDTD;
+
+     The DocBook DTD is accompanied by an SGML declaration.
+
+     See the documentation for detailed information on the parameter
+     entity and module scheme used in DocBook, customizing DocBook and
+     planning for interchange, and changes made since the last release
+     of DocBook.
+-->
+
+<!ENTITY % sgml.features "INCLUDE">
+
+<!ENTITY % docbook PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+                   "docbookx.dtd">
+%docbook;
+
+<!-- End of DocBook DTD V4.2 .............................................. -->
+<!-- ...................................................................... -->