Re: An approach to let XML 2.n resources hold multipleentities
Rick Jelliffe wrote: > The idea is that every top-level occurrence of <?xml\w (where \w means word end) > in an XML resource signals the end of any previous entity and the start of a > new one. So the following would be valid > > <?xml version="1.2"?> > <x/> > <?xml version="1.2"?> > <y/> > <?xml version="1.2"?> > <z/> > > but not > > <?xml version="1.2"?> > <x> > <?xml version="1.2"?> > </x> and not <?xml version="1.2"?> <x> <?xml version="1.2"?> <a/> </x> <?xml version="1.2"?> <y/> <?xml version="1.2"?> <z/> ? This proposal will probably result in encoding weirdness unless it offers some guidance in that area. To answer Andrew's question, I can see the WS people finding this useful (or would have a few years ago), as there is some amount of tackiness and difficulty propogated as a result of the single document constraint, that would not occur so much if we used good 'ole MIME or if SwA was the default packing mechanism for SOAP. Plus performance wonks would have some motivation to go off and build parallel parsers. See also http://www.w3.org/TR/xml-fragment#d1e1604 http://www.ietf.org/rfc/rfc2045.txt > How does this fit in with XPath? > ---------------------------------------- > > At the moment, count(/*) always is 1. I am suggesting redefining / > away from being the "document" to being the "resource", and then > using indexing to get other entities. I believe it can be > 1. In the XPath model, the root node declares the prolog as one of its children as well as the document element and any other processing instructions. So there might not be as much impact there as you expect. Bill de hÓra -- Propylon www.propylon.com
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