Description:
------------
If an element + attribute are in a namespace, do both need to explicitly referenced with said namespace?

Currently:

//example:Numbers@sequence vs //example:Numbers@example:sequence

Which is the correct behaviour? PHP currently chooses the first.

Reproduce code:
---------------
<?php
/* bug.xsl
<xsl:stylesheet version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:example="http://example.com/">

    <xsl:template match="example:Numbers">
        I expect to see 54321 54321 One Two Three Four Five after this point
        <xsl:value-of select="@sequence" />
        <xsl:value-of select="@example:sequence" />
        <xsl:value-of select="." />
    </xsl:template>
</xsl:stylesheet>
*/

/* bug.xml
<?xml version="1.0" encoding="utf-8"?>
<Example xmlns="http://example.com/" xmlns:ex="http://example.com">
    <Numbers ex:sequence="54321" sequence="12345">One Two Three Four Five</Numbers>
</Example>
*/
if (!extension_loaded('xsl')) {
	die("Don't forget to enable to xsl extension");
}

$xml = new DOMDocument;
$xml->load(dirname(__FILE__) . '/bug.xml');

$xsl = new DOMDocument;
$xsl->load(dirname(__FILE__) . '/bug.xsl');

$proc = new XSLTProcessor;
$proc->importStyleSheet($xsl); // attach the xsl rules

print $proc->transformToXML($xml);
?>


Expected result:
----------------
---------- php ----------
<?xml version="1.0"?>

    
        I expect to see 54321 54321 One Two Three Four Five after this point
        5432154321One Two Three Four Five


Output completed (0 sec consumed) - Normal Termination

Actual result:
--------------
---------- php ----------
<?xml version="1.0"?>

    
        I expect to see 54321 54321 One Two Three Four Five after this point
        12345One Two Three Four Five


Output completed (0 sec consumed) - Normal Termination