dictionary_dtd.xml - XML DTD Document Type Example

XML Tutorials - Herong's Tutorial Examples

∟dictionary_dtd.xml - XML DTD Document Type Example

This section provides XML DTD document type example, dictionary_dtd.xml, which uses ELEMENT, ATTLIST, and ENTITY DTD statements to define a document type called 'dictionary'.

Let's use the following XML file, dictionary_dtd.xml, to see how different DTD statements can be used:

<?xml version="1.0"?>
<!-- dictionary_dtd.xml
 - Copyright (c) 2002 HerongYang.com. All Rights Reserved.
-->
<!DOCTYPE dictionary [
 <!ELEMENT dictionary (note, word+)>
 <!ELEMENT note ANY>
 <!ELEMENT word (update?, name, definition+, usage*)>
 <!ELEMENT update EMPTY>
 <!ATTLIST update
  date CDATA #REQUIRED
  editor CDATA #IMPLIED
 >
 <!ELEMENT name (#PCDATA)>
 <!ATTLIST name is_acronym (true | false) "false">
 <!ELEMENT definition (#PCDATA)>
 <!ELEMENT usage (#PCDATA | i)*>
 <!ELEMENT i (#PCDATA)>
 <!ENTITY herong "Herong Yang">
]>
<dictionary>
 <note>Copyright (c) 2002 by &herong;</note>
 <word>
  <name is_acronym="true">POP</name>
  <definition>Post Office Protocol</definition>
  <definition>Point Of Purchase</definition>
 </word>
 <word>
  <update date="2002-12-23"/>
  <name is_acronym="true">XML</name>
  <definition>eXtensible Markup Language</definition>
 </word>
 <word>
  <update date="2002-12-23" editor="Herong Yang"/>
  <name>markup</name>
  <definition>The amount added to the cost price to calculate
the selling price</definition>
 </word>
</dictionary>