Canonical XML Version 1.0

Any XML document is part of a set of XML documents that are logically equivalent within an application context, but which vary in physical representation based on syntactic changes permitted by XML 1.0 and Namespaces in XM. Describes a method for generating a physical representation, the canonical form, of an XML document that accounts for the permissible changes. (W3C Recommendation 15 March 2001)