1<?xml version="1.0"?> 2<!DOCTYPE iddemo [ 3<!ELEMENT iddemo (head?, (chapter)*)> 4<!ATTLIST iddemo id ID #IMPLIED> 5<!ELEMENT head (title?, (p)*)> 6<!ATTLIST head id ID #IMPLIED> 7<!ELEMENT chapter (title?, (p | image)*)> 8<!ATTLIST chapter id ID #IMPLIED> 9<!ELEMENT image EMPTY> 10<!ATTLIST image href CDATA #IMPLIED> 11<!ELEMENT title (#PCDATA)> 12<!ELEMENT p (#PCDATA)> 13]> 14 15<iddemo> 16 <head> 17 <title>Welcome to Gnome</title> 18 </head> 19 <chapter id="chapter1"> 20 <title>The Linux adventure</title> 21 <p>bla bla bla ...</p> 22 <image href="linus.gif"/> 23 <p>...</p> 24 <p>third p</p> 25 <p>fourth p</p> 26 </chapter> 27 <chapter id="chapter2"> 28 <title>Chapter 2</title> 29 <p>this is chapter 2 ...</p> 30 </chapter> 31 <chapter id="chapter3"> 32 <title>Chapter 3</title> 33 <p>this is chapter 3 ...</p> 34 </chapter> 35 <chapter id="chapter4"> 36 <title>Chapter 4</title> 37 <p>this is chapter 4 ...</p> 38 </chapter> 39 <chapter id="chapter5"> 40 <title>Chapter 5</title> 41 <p>this is chapter 5 ...</p> 42 </chapter> 43</iddemo> 44
