3 XML Namespaces 3 - 2 XML Namespaces Order No. 13-453 Dear Dr. Smith, we confirm your order of the book 1The XML Handbook ISBN: 0130811521 Price: USD.

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3 XML Namespaces

3 - 2 XML Namespaces Order No Dear Dr. Smith, we confirm your order of the book 1The XML Handbook ISBN: Price: USD and ask you kindly to transfer the amount... Best regards "Title"

3 - 3 XML Handbook Dr. Paul Smith... Collision XML Handbook Goldfarb Prescod Prentice Hall Dr. Paul Smith...

3 - 4 Namespace Declaration <order xmlns:bk=" xmlns:cust=" xmlns:fin=" > XML Handbook Dr. Paul Smith...

3 - 5 Default Namespace <order xmlns=" xmlns:bk=" xmlns:cust=" > XML Handbook Dr. Paul Smith...

3 - 6 Override Default Namespaces <order xmlns=" xmlns:ord=" xmlns:bk=" xmlns:cust=" Order Book order The order of the following books is made by phone XML Handbook … …

3 - 7 Empty Namespace <order xmlns=" xmlns:bk=" xmlns:cust=" > This comment belongs to no namespace Paul Smith...

3 - 8 Namespaces and Attributes These attributes do not belong to a namespace <orderxmlns=" xmlns:bk=" xmlns:cust=" xmlns:fin=" order-number=" " > XML Handbook Dr. Paul Smith...

3 - 9 Namespaces and Attributes <orderxmlns=" xmlns:ord=" xmlns:bk=" xmlns:cust=" xmlns:fin=" ord:order-number=" "> XML Handbook Dr. Paul Smith...

Summary XML namespaces identify the semantics of an element or attribute, especially in cases where documents have elements with the same names but different meaning. This is the case, for example, where standardized DTDs are used. XML namespaces are increasingly used in XML applications to ensure the consistency of the meaning of names in documents and applications.