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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] hallucinatory blueberry decoupling
 The Blueberry issues seem to have exposed a fault line in XML, where the XML plate and the Unicode plate rub up against each other and sometimes shift violently. Blueberry seems like an effort to address the movement of these plate, but I'm not sure that the proposals made thus far really address the underlying issues of the two separate and separately-managed specifications. I'm wondering if binding the character class lists into XML 1.0 was a mistake. I'm also wondering if there's an option that would allow documents to use URIs to point to character class lists which are appropriate to their needs. Parsers would have the responsibility of loading and caching these documents as required to process documents. (The default value would reflect XML 1.0 behavior.) XML 1.0 parsers would trip over the declaration and raise an error, keeping these non-XML 1.0 documents out of the way of such parsers. Ideally, this approach would permit a RDDL-like decoupling of document and metadata, though in this case the metadata would be rather fundamental information. In some ways this reinvents the SGML Declaration, but I fear that we're well past that already. There are some potentially bizarre results, if developers took it on themselves to build funhouse lists where digits were letters and combining characters digits etc., but I don't think the odds of that are too substantial. Simon St.Laurent http://www.simonstl.com 
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