Re: XInclude vs SAX vs validation
On Tue, Aug 21, 2001 at 09:03:00PM -0700, David Brownell wrote: > > - id[/2/3] : highly unreliable because it requires a DTD + a parser > > in validating mode (and DTD may not be available) > > The "id" access does NOT require a parser in validating mode! > It only requires reporting the [attribute type] information item. > > Admittedly that's only defined for documents with a DTD that > has appropriate ATTLIST declarations, but it's common for > non-validating parsers to expose that information. After all, they > parsed those attribute decls so they could normalize and default. It also mean that you need to fetch/parse that DTDs, and in general this is not in the internal subset. Catalogs helps avoiding the serious problem of relying on a possibly remote document, but this construct is still very fragile in practice. Admitedly, the XPath language requires this too :-( , but at least you can can still point into a sub resource relibaly even if its DTD is not available. At the end of the day, people don't want to take the risk, just convert stuff to HTML because they know that that platform has the reliability level needed (in term of deployment and level of interfaces), and that's one more case where XML won't be used natively. That's actually the lesson I get, people in general are not interested to move from HTML hypertext to XML hypertext, because they don't want to face a platform change, they didn't switched to XHTML either even if all concession were made to allow this at minimal cost. On the other hand XSLT with can work without large deployment changes is now widely deployed. Time to work on something else and come back in a few years to see if the situation evolved ... and if people manage to agree on what should be standardized for hypertext if there is a need for a new platform. Daniel -- Daniel Veillard | Red Hat Network http://redhat.com/products/network/ veillard@r... | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | Rpmfind RPM search engine http://rpmfind.net/
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