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Re: [xsl] Using Key in the middle of Xpath


Subject: Re: [xsl] Using Key in the middle of Xpath
From: "Michael Kay mike@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 19 Jan 2015 16:02:33 -0000

> <xsl:variable name = "foo" select =
"//aaa/bbb/key('mykey','myval')/fooval"/>
> where key is :
>
> <xsl:key name = "mykey" select = "ccc/ddd" use = "@id"/>
>

It doesn't make much sense. The expression has exactly the same result as

> <xsl:variable name = "foo" select = "key('mykey','myval')/fooval"/>

There are cases where using key() after "/" would make sense to select the
document to be searched, but in this cases all the nodes are in the context
document so it makes no difference.

Michael Kay
Saxonica


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