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Re: NVDL, SVG validation (Was: first questions on validator.nu)

From: Henri Sivonen <hsivonen@iki.fi>
Date: Mon, 14 Jan 2008 18:28:49 +0200
Message-Id: <5C839303-20CB-48B4-832E-444C38734EF4@iki.fi>
To: Tools dev list <public-qa-dev@w3.org>

On Jan 9, 2008, at 18:27, Jirka Kosek wrote:

> Henri Sivonen wrote:
>>> I think that something very similar will get into next official  
>>> version
>>> of NVDL language.
>> Allowing arbitrary XPath there would preclude reasonable streaming
>> implementations and would be an overkill for the SVG profiling use  
>> case.
>> Precluding streaming implementations seems like a bad idea. Have you
>> discussed this with oNVDL developer(s)?
> Read "something very similar" as something which will be either
> streamable XPath subset, or XPath subset only with self, attribute,
> parent, ancestor and ancestor-or-self axes (which requires only decent
> stack of element nodes on ancestor-or-self axis + their attribute  
> nodes).

Nice! :-)

In another message, I wrote:
>> I'm planning on allowing users to filter out namespaces of their  
>> choice without having to write an NVDL schema. However, it seems  
>> that there's more demand for syncing the HTML5 schema with the  
>> December content model change, so I'm prioritizing that.

Now deployed. Sample:

Henri Sivonen
Received on Monday, 14 January 2008 16:28:59 UTC

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