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RE: SAX Filters for Namespace Processing
- From: Jonathan Borden <firstname.lastname@example.org>
- To: Tom Bradford <email@example.com>
- Date: Sun, 05 Aug 2001 17:00:49 -0400
Tom Bradford wrote:
> I truly appreciate your snide criticism.
:-)) i honestly wasn't intending to be snide, rather to point out that XPath
has been a done deal for some time now, and that it is what it is. Along the
lines of "be strict in what you provide, and liberal in what you accept" I
think we should strongly promote best practices for document design, yet
expect that parsers dbs etc., will liberally accept data that conforms to
> The reason it wasn't there is because in order to support namespaces,
> most XPath implementations require a context node for prefix
> resolution. The context node is usually an element in the document that
> is being queried, and it's usually an element that has been sufficiently
> drilled down to so that the prefix you use in the XPath actually matches
> the namespace you're looking for.
Right, this is a real issue.
A reasonable solution is what XPointer has come up with namely:
not that it is pretty, but does the job. i'd prefer if xpointer had provided
for an xpath(//this:is/an:xpath) syntax, but that's another story.
Another solution would be for the API to accept a namespace context map ...