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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Registered Namespace prefixes
 On Friday 07 March 2003 01:41 pm, Daniel Veillard wrote: > So you want to ban any Jabber like processing of XML by forcing the > universe of vocabularies usable in an instance to be known at the > time and by the framework where you emit the root opening tag ? No, and namespaces don't solve that problem anyway. It's a red herring. If I declare my messages to be: <!ELEMENT message (head?, body)> <!ELEMENT head (property+)> <!ELEMENT property (#PCDATA)> <!ATTLIST property CDATA #REQUIRED> <!ELEMENT body ANY> First, how have I constrained what can be contained in the <body> tag such that I am "forcing the universe of vocabularies usable in an instance to be known at the time and by the framework where you emit the root opening tag"? Second, how do namespaces help? > I think I disagree. Even if it would clearly be simpler, it would be > a problem in a number of cases, XSLT and Jabber being prime examples. The only reason why these work is that they have a specification that *processors* of that specific tag set adhere to (i.e. the set of *known* tags is predefined). Namespaces aren't necessary here either... plain old prefixes would work just as well. 
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