2.1 Background

XML is a meta language for enhancing information

Used to create markup vocabularies for specific domains
Focus on structure and semantics, not formatting
Simplifies content management: parsing, transformation, integration, portability
It is a standard: huge support infrastructure

<course>
  <number>CIS 788</number>
  <quarter>Autumn</quarter>
  <days>
     <day>Monday</day>
     <day>Wednesday</day>
     <day>Friday</day>
  </days>
  <note>Notes under
       preparation.</note>
</course>

<html> <title></title>
<body>
<h3>CIS 788</h3>
<p>Notes under preparation.</p>
</body>
</html>

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