| | Processing instruction -- Syntax <?PITarget PIContent?> -- Example <?xml version="1.0" encoding="UTF-8" ?> |
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| | XML Schema: description of a type of XML document and is one of several XML schema languages |
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| | Schema is an abstract collection of metadata, consisting of a set of schema components |
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| | Schema components: element and attribute declarations and complex and simple type definitions |
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| | Schema documents: the source language definitions of schema components |
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