The key() function searches the document that contains the context node.

In 1.0, you need to change the context node, which you can do using
xsl:for-each.

In 2.0, you can use the third argument of key() to determine which document
is searched.

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

> -----Original Message-----
> From: Bryn Lewis [mailto:blewis@xxxxxxxxxx] 
> Sent: 19 December 2006 08:16
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  key() and document() - scoping problem?
> 
> I have defined a key, then use its value in the following xsl 
> (xslt v.1):
> 
> <span class="x">
> 	<xsl:value-of select="count(key('key2_1', 'general'))" 
> /> </span> <xsl:for-each 
> select="document(string($options))/options/option">
> 	<span class="y">
> 		<xsl:value-of select="count(key('key2_1', 
> 'general'))" />
>     	</span>
> </xsl:for-each>
> 
> Results in this:
> 
> <span class="x">4</span>
> <span class="y">0</span>
> 
> I would expect to get a '4' in both cases.
> 
> The document referred to is referenced correctly and I would 
> be using it to specify the key value required.
> 
> The document seems to throw the key out of scope, but I dont 
> see how to correct that.
> 
> thanks, Bryn
> 
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