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Web technology
By
Dr. Mousumi Dhara
Html
• According to the XML specification, an XML document is
considered valid if it has an associated DTD declaration and it
complies with the constraints expressed in the DTD.
• To be valid, an XML document must meet the following criteria:
– Be well-formed
– Refer to an accessible DTD-based schema using a Document
Type Declaration:
• <!DOCTYPE>
Web technology.pptx
Web technology.pptx
Web technology.pptx
Web technology.pptx

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Web technology.pptx

  • 2. Html • According to the XML specification, an XML document is considered valid if it has an associated DTD declaration and it complies with the constraints expressed in the DTD. • To be valid, an XML document must meet the following criteria: – Be well-formed – Refer to an accessible DTD-based schema using a Document Type Declaration: • <!DOCTYPE>