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Re: [ANN] smallx XML Infoset and Pipeline Released

• To: "Xml-Dev" <xml-dev@l...>
• Subject: Re: [ANN] smallx XML Infoset and Pipeline Released
• Subject: Re: [ANN] smallx XML Infoset and Pipeline Released (OpenSource)
• From: "Rick Jelliffe" <ricko@a...>
• Date: Fri, 15 Apr 2005 11:02:26 +1000 (EST)
• Importance: Normal
• In-reply-to: <425E453B.1000300@m...>
• References: <c43751899c33f56c61d770be0bb561c9@m...> <42569A85.7040206@b...> <908e97ffe509e7fc4938581431c7251a@m...> <4257B244.1080908@b...> <3f91e4e3447db1be834e21c2ae446e66@m...> <425BE997.7040403@m...> <c9e6ac6ac81070dd9bc1aa083d9059fb@m...> <001801c540c1$c3e52f90$0115a8c0@E...> <425E453B.1000300@m...>
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> Alan Gutierrez wrote:
>
>>     In my SAX library, XStrategy, I combined namespaces and events.
>>
>>     The XStrategy framwork maintains a stack of namespaces in scope
>>     by default. It seemed impossible to get anything done without it.
>
> If you're int he unfortunate situation of needing to resolve namespace
> prefixes in attribute values and element content, as is the case in an
> XSLT processor or a schema validator, then you absolutely need to do
> this. However, probably at least 90% of use cases are much simpler and
> just need to know the namespaces of each element and attribute, and this
> doesn't require any extra work.

For people inventing languages which use Qnames in element or attribute
values, I commend making your own prefix->namespace declaration element
instead of piggybacking on the XML namespaces system.

That way you can have sanity: namespace must have prefix, prefix cannot be
remapped or reused, no default namaspace. I did this in Schematron without
significant trouble.

The XML Namespaces rec does not cover Qnames in values: that is semantics
that is up to the schema developer. XSLT does it one way, XML Schemas does
it another way, and Schematron does it another.

Cheers
Rick Jelliffe

• Follow-Ups:
  • Re: [ANN] smallx XML Infoset and Pipeline Released (OpenSource)
    • From: Bjoern Hoehrmann <derhoermi@g...>
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    • From: Ronald Bourret <rpbourret@r...>

• References:
  • [ANN] smallx XML Infoset and Pipeline Released (Open Source)
    • From: Alex Milowski <alexml@m...>
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  • Re: [ANN] smallx XML Infoset and Pipeline Released (OpenSource)
    • From: Elliotte Harold <elharo@m...>

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