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Re: ns 1.1

• To: xml-dev@l...
• Subject: Re: ns 1.1
• From: richard@c... (Richard Tobin)
• Date: Tue, 23 Mar 2004 22:24:54 +0000 (GMT)
• Cc:
• In-reply-to: <40607283.5080200@w...>
• Organization: HCRC, University of Edinburgh

>This feels like a dumb question, but I am not clear on an issue.Section 
>7 of Namespaces in XML 1.1 reads:
>
>"This specification applies to XML 1.1 documents. To conform to this 
>specification, a document /MUST/ be well-formed according to the XML 1.1 
>specification." [1]
>
>Namespaces 1.1 supports xmlns="". Can I undeclare a namespace in an XML 
>1.0 document or must it be an XML 1.1 document? Or does it simply depend 
>on the processor?

Namespaces 1.1 is tied strictly to XML 1.1, and its new features are
only enabled for XML 1.1 documents.  The syntax xmlns:foo="" is
illegal in XML 1.0 documents.  (xmlns="", which undeclares the default
namespace, is legal in both).

The same goes for the other substantive change in Namespaces 1.1: the
use of IRIs as namespace names.  However you'll find that most XML 1.0
processors didn't check anything about namespace names, so you probably
won't get an error message from a 1.0 processor.

-- Richard

• Follow-Ups:
  • Re: ns 1.1
    • From: Mike Fitzgerald <mikefz@w...>
  • Another published schema broken by XML Schema errata change
    • From: Bob Foster <bob@o...>

• References:
  • ns 1.1
    • From: Mike Fitzgerald <mikefz@w...>

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