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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

XML Literals and the XML 1.0 Specification

The XML literal syntax in Visual Basic supports most of the Extensible Markup Language (XML) 1.0 specification. For details about the XML 1.0 specification, see Extensible Markup Language (XML) 1.0 on the W3C Web site.

  • An XML literal cannot contain a document type definition (DTD).

  • An XML document literal must start with an XML document declaration.

  • An XML literal cannot contain more than 65,535 characters on one line.

  • XML namespace prefixes, element names, and attribute names cannot contain more than 1,024 characters.

  • The embedded expression syntax allowed in document and element literals is not valid XML.

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