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Document Structure Description, or DSD, is a schema language for XML, that is, a language for describing valid XML documents. It's an alternative to DTD or the W3C XML Schema.
An example of DSD in its simplest form:
<dsd xmlns="http://www.brics.dk/DSD/2.0" xmlns:my="http://example.com"> <if><element name="my:foo"/> <declare> <attribute name="first"/> <attribute name="second"/> <contents> <element name="my:bar"/> </contents> </declare> </if> <if><element name="my:bar"/> <declare> <contents> </contents> </declare> </if> </dsd>This says that element named "foo" in the XML namespace "http://example.com" may have two attributes, named "first" and "second". A "foo" element may not have any character data. It must contain one subelement, named "bar", also in the "http://example.com" namespace. A "bar" element is not allowed any attributes, character data or subelements.
One XML document that would be valid according to the above DSD would be:
<foo xmlns="http://example.com" second="2"> <bar/></foo> referencePosted on 30 Apr 2022, this text provides information on Miscellaneous in Networking related to Networking. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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