XML

DTD and Schema

Document Type Definition for validation.

#dtd#schema#validation

Code

xml

<?xml version="1.0"?>
<!DOCTYPE note [
  <!ELEMENT note (to, from, heading, body)>
  <!ELEMENT to (#PCDATA)>
  <!ELEMENT from (#PCDATA)>
  <!ELEMENT heading (#PCDATA)>
  <!ELEMENT body (#PCDATA)>
  <!ATTLIST note priority CDATA "normal">
]>
<note priority="high">
  <to>Alice</to>
  <from>Bob</from>
  <heading>Reminder</heading>
  <body>Don't forget the meeting</body>
</note>

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