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Re: Re: Output validation with XSLT 2.0

Subject: Re: Re: Output validation with XSLT 2.0
From: "G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>
Date: Sat, 03 May 2008 12:09:54 -0400
Re:  Re: Output validation with XSLT 2.0
At 2008-05-03 21:06 +0530, Mukul Gandhi wrote:
If I modify the example (as given in my blog post) as follows (with
rest of the things remaining same), which seems more logical to me:

  <xsl:template match="/">
    <xsl:variable name="temp1">
        <y />
    <xsl:variable name="temp2">
        <q />

The above is a literal result element, and so has attached to it all ancestral namespace nodes that are not pruned through use of exclude-result-prefixes= ... just like any other literal result element.

      <xsl:copy-of select="$temp1" validation="strict" />
      <xsl:copy-of select="$temp2" validation="strict" />

Now I specify validation="strict" on xsl:copy-of instruction.

The output produced is (with Saxon-SA 9):

<?xml version="1.0" encoding="UTF-8"?>
<result xmlns:xs="http://www.w3.org/2001/XMLSchema">

Why does the processor generate the namespace declaration,
xmlns:xs="http://www.w3.org/2001/XMLSchema" on the <result tag ?

Because you didn't prune it.

To avoid this I have to do, exclude-result-prefixes="xs" on the
xsl:stylesheet element.

Just like you would have to in order to prune extension namespace nodes off of literal result elements.

There is nothing special about the schema namespace that implies pruning. The XSLT namespace is implicitly pruned, except (it seems), when a namespace alias for XSLT is being used.

Anyway, unused namespace declarations are innocuous in the result, so this is only an aesthetic issue.

I hope this helps.

. . . . . . . . . . . . Ken

On 5/3/08, Mukul Gandhi <gandhi.mukul@xxxxxxxxx> wrote:
> Hi all,
> I posted my thoughts about this topic on my blog
> (http://mukulgandhi.blogspot.com/2008/05/output-validation-with-xslt-20.html).
> I would like to hear the list member's opinion about this example, and
> to know the best practices to import schemas, use namespaces etc. for
> this particular scenario.

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