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	XML Meta-Languages
	XML Main  |  XML Meta-Lanuages |  XML Sitelog |  XML-Schema |  XSLT |  Purpose |  Status There are many competing XML Meta-Lanugauges. Below are links to information about three of the most widely used XML Meta-Languages (Document Type Definition, XML-Schema, and Schematron) and a chart comparing the features of all three. Document Type Definition XML Schema Schematron Comparison of all three