Re: [xsl] should apply-imports apply template rule in the sa

The last paragraph of section 5.8 (Built-in Template Rules) of the
XSLT 1.0 spec reads:

"The built-in template rules are treated as if they were imported
implicitly before the stylesheet and so have lower import precedence
than all other template rules. Thus, the author can override a
built-in template rule by including an explicit template rule."

Therefore, <xsl:apply-imports/> is invoking the built-in rule for the
root node, which is just <xsl:apply-templates/>.  Seems right to me.
:)

-Brandon :)


On Wed, Jul 6, 2011 at 9:06 AM, Martin Honnen <Martin.Honnen@xxxxxx> wrote:
>
> Recently I came across a stylesheet that did not include nor import any
> other modules but used apply-imports, as in the following reduced sample:
>
> <xsl:stylesheet
>  xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
>  version="1.0">
>
>  <xsl:template match="/">
>    <html>
>      <head>
>        <title>Test</title>
>      </head>
>      <body>
>        <xsl:apply-imports/>
>      </body>
>    </html>
>  </xsl:template>
>
>  <xsl:template match="foo">
>    <p>
>      <xsl:value-of select="."/>
>    </p>
>  </xsl:template>
>
> </xsl:stylesheet>
>
> My initial understanding and expectation was that initially the template
> matching the document node (match="/") would be applied and output the html
> element with its head and body child element but that the apply-imports
> would only look for imported template rules and that way would not apply
the
> template with match="foo" in the same stylesheet.
>
> Yet when I run the stylesheet with Saxon 6.5.5 or 9.3.0.5 against the most
> simple XML input
>
> <foo>foo 1</foo>
>
> the result is containing a <p>foo 1</p> element, as in
>
> <html>
>   <head>
>      <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
>
>      <title>Test</title>
>   </head>
>   <body>
>      <p>foo 1</p>
>   </body>
> </html>
>
> xsltproc on the other hand outputs
>
> <html>
> <head>
> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
> <title>Test</title>
> </head>
> <body></body>
> </html>
>
> so there the template match="foo" is not applied by the apply-imports.
>
> The XSLT 1.0 spec in its usual brevity says:
>   "xsl:apply-imports processes the current node using only template rules
> that were imported into the stylesheet element containing the current
> template rule".
>
> Based on that it seems the apply-imports should not result in applying the
> template with match="foo" in the same stylesheet.
>
> On the other hand most other processors I have tried (Mozilla's, Opera's,
> IE's) seem to agree with Saxon and not with xsltproc so my simple
assumption
> that a template in the same stylesheet is not an imported one seems wrong.
>
> What are your thoughts?
>
>
> --
>
>        Martin Honnen --- MVP Data Platform Development
>        http://msmvps.com/blogs/martin_honnen/

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