Re: [xsl] current() within a key element's @use

Subject: Re: [xsl] current() within a key element's @use
From: Michael Kay <mike@xxxxxxxxxxxx>
Date: Fri, 28 Dec 2012 15:28:24 +0000
On 24/12/2012 00:24, John P. McCaskey wrote:
I have found inconsistent behavior when using current() in the use attribute of a key element.

Shouldn't these
    <xsl:key name="keyUsingCurrent"   match="color" use="current()/@id"/>
    <xsl:key name="keyWithoutCurrent" match="color" use="@id"/>
produce the same set of keys?

Yes, it should. The spec says: "For an outermost expression (an expression not occurring within another expression), the current node is always the same as the context node.".

The XSLT 1.0 spec is not terribly explicit about what what the current node is in other situations, but the examples it gives lead one to infer that it should be the same as for the outermost containing expression.

>Am I witnessing a bug in code that xsltproc, Chrome and Safari share? If so, to whom would I report such a bug? Would doing so make any difference? >

Yes, don't know, and probably not.

Michael Kay

I need current() to work inside @use, so that I can have an attribute such as
use="../tagUsage[@render=current()/@xml:id]/@gi". See If this is a bug, is there a workaround?

Thanks for any help.

-- JPM

John P. McCaskey, mailbox@xxxxxxxxxxxxxxxx

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