Re: An xsl:number problem

Xalan 1.9 returns the following:
<?xml version="1.0" encoding="UTF-8"?>
<doc nr="0">
 <a mark="true" nr="0"/>
 <a nr="2"/>
 <a nr="3"/>
 <a nr="4"/>
 <a mark="true" nr="0"/>
 <a nr="6"/>
 <a nr="7"/>
 <a nr="8"/>
</doc>

Edwin

On Thu, Jul 10, 2008 at 10:57 AM, Michael Kay <mike@xxxxxxxxxxxx> wrote:
> I've raised a bug report against the spec on this one, but I would be
> interested to know how various processors handle it. Please try it and
> report the results. The bug report is at
>
> http://www.w3.org/Bugs/Public/show_bug.cgi?id=5849
>
> Source document:
>
> <?xml version="1.0"?>
> <doc>
>  <a mark="true"/>
>  <a/>
>  <a/>
>  <a/>
>  <a mark="true"/>
>  <a/>
>  <a/>
>  <a/>
> </doc>
>
> Stylesheet:
>
> <?xml version="1.0"?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> version="2.0">
> <xsl:output indent="yes"/>
>
> <xsl:template match="*">
>  <xsl:copy>
>    <xsl:copy-of select="@*"/>
>    <xsl:attribute name="nr">
>      <xsl:number from="a[@mark='true']" count="a" level="any"/>
>    </xsl:attribute>
>    <xsl:apply-templates/>
>  </xsl:copy>
> </xsl:template>
>
> </xsl:stylesheet>
>
> The output of Saxon 9.1 and other recent releases is clearly wrong, and is
> being fixed by a patch. After correction, the output is still strange, but I
> believe it is correct according to the spec:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <doc nr="">
>  <a mark="true" nr=""/>
>  <a nr="2"/>
>  <a nr="3"/>
>  <a nr="4"/>
>  <a mark="true" nr="5"/>
>  <a nr="2"/>
>  <a nr="3"/>
>  <a nr="4"/>
> </doc>
>
> This is the Saxon 6.5.5 output:
>
> <?xml version="1.0" encoding="utf-8"?>
> <doc nr="">
>   <a mark="true" nr="1"/>
>   <a nr="1"/>
>   <a nr="2"/>
>   <a nr="3"/
>   <a mark="true" nr="4"/>
>   <a nr="1"/>
>   <a nr="2"/>
>   <a nr="3"/>
> </doc>
>
> The 1.0 spec is so terse that it's quite hard to decide whether this is
> correct or not, but it's certainly not intuitive.
>
> I would be interested to know what other XSLT 1.0 or 2.0 processors do with
> this one.
>
> I think the intuitively correct result is:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <doc nr="">
>  <a mark="true" nr="1"/>
>  <a nr="2"/>
>  <a nr="3"/>
>  <a nr="4"/>
>  <a mark="true" nr="1"/>
>  <a nr="2"/>
>  <a nr="3"/>
>  <a nr="4"/>
> </doc>
>
> Do you agree?
>
> Michael Kay
> http://www.saxonica.com/
>
>



-- 
Edwin
PoeticTerror.Com