[XML-SIG] XPath's reliance on id()
Thu, 14 Mar 2002 15:00:38 -0700
I wish I had more time to contrib to this thread right now, but...
> Martin v. Loewis wrote:
> > Martijn Faassen <email@example.com> writes:
> Anyway, perhaps the notion of equality is what we need; in my mind two
> objects can stand in for the same DOM node but not be the same object;
> they're equal but not identical.
No. We need identity for sure. Never mind the fact that equality cannot be
determined without a possible tree-spanning operation, it is also what XPath
and the DOM require.
> The notion for equality in DOM nodes is actually supported by the
> DOM level 3 working draft:
> isSameNode (introduced in DOM Level 3)
> Returns whether this node is the same node as the given one.
isSameNode checks for identity, *not* equality.
Uche Ogbuji Principal Consultant
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