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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: IDs considered harmful or why keys might be betterthanIDs.
 Simon St.Laurent wrote: > > I think that perhaps you've misread my suggestion. No, I was using it to make a point roughly along the lines of "perfect is the enemy of good". In our rush to 'move beyond' DTDs we sometimes neglect the lowly internal subset which _is_ instance data, so for example specifications like SOAP which are now stuck with the inability to have IDs (shrug). > I'd like to throw > away all of these approaches to external annotation of document instance > content, not merely replace one with another. > > That'd leave us the document instance as primary, period. No need to > worry about internal vs. external subsets because some non-validating > parsers (perfectly legally) don't bother loading external resources, no > need to wonder whether the ID attributes in a document were identified > using a DTD or an XML Schema. > > Instance supremacy, taken seriously, means never looking beyond the > document. Limiting and liberating at the same time. > Right. And since we have relatively good information that every SAX parser properly reports ID attributes _which are declared in the instance i.e. the internal subset_ I am not entirely sure that the need for another syntax to in-line declare identifiers is not syntax sugar (not that syntax sugar is sometimes useful). Jonathan 
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