Thanks for reporting this. Bugs in xsl:number have a habit of lying dormant
for years before anyone finds them! Now fixed in the Saxon Subversion
repository, and I am adding the test case to the test suite. (Test
numbering97 for those interested.)

Michael Kay
http://www.saxonica.com/ 

> -----Original Message-----
> From: Deborah Pickett [mailto:debbiep-list-xsl@xxxxxxxxxx] 
> Sent: 09 March 2007 11:42
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  xsl:number from="/" level="any"
> 
> This is in the context of xsl:number with @level="any".
> 
> Reading the XSLT 2.0 recommendation it looks like @from is 
> allowed to be "/" to indicate a document node.
> 
> Yet I get empty sequences whenever I try it with Saxon 8.8.
> 
> I get the behaviour I expect with @from="/*".
> 
> Here's an example, which uses processing instructions to show 
> a case where / has more than one child.
> 
> Document:
> <?xml version="1.0" encoding="UTF-8"?>
> <?thing?>
> <top>
>      <?thing?>
>      <child>
>          <?thing?>
>          <child><?thing?></child>
>      </child>
>      <child>
>          <?thing?>
>      </child>
> </top>
> <?thing?>
> 
> Stylesheet:
> <?xml version="1.0" encoding="UTF-8"?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
> version="2.0">
> 
>      <xsl:template match="processing-instruction(thing)">
>          <xsl:message>
>              <xsl:text>This thing gets xsl:number "</xsl:text>
>              <xsl:number count="processing-instruction('thing')" 
> from="/" level="any"/>
>              <xsl:text>" from / and xsl:number "</xsl:text>
>              <xsl:number count="processing-instruction('thing')" 
> from="/*" level="any"></xsl:number>
>              <xsl:text>" from /*.</xsl:text>
>          </xsl:message>
>          <xsl:apply-templates></xsl:apply-templates>
>      </xsl:template>
> </xsl:stylesheet>
> 
> Output:
> This thing gets xsl:number "" from / and xsl:number "" from /*.
> This thing gets xsl:number "" from / and xsl:number "1" from /*.
> This thing gets xsl:number "" from / and xsl:number "2" from /*.
> This thing gets xsl:number "" from / and xsl:number "3" from /*.
> This thing gets xsl:number "" from / and xsl:number "4" from /*.
> This thing gets xsl:number "" from / and xsl:number "5" from /*.