<?xml encoding='ISO-8859-1'?> <!-- STYLEBOOK DOCUMENT DTD --> <!-- import the external blocks.ent dtd --> <!ENTITY % blocksEntity SYSTEM "blocks.ent"> %blocksEntity; <!ELEMENT s1 (s2|%blocks;)*> <!ELEMENT s2 (s3|%blocks;)*> <!ELEMENT s3 (s4|%blocks;)*> <!ELEMENT s4 (%blocks;)*> <!ATTLIST s1 title CDATA #REQUIRED> <!ATTLIST s2 title CDATA #REQUIRED> <!ATTLIST s3 title CDATA #REQUIRED> <!ATTLIST s4 title CDATA #REQUIRED> <!-- CVS $Revision: 173497 $ $Date: 2002-02-13 21:49:41 +0200 (Wed, 13 Feb 2002) $ -->