[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: Identify PUBLICID outside of dtd?
> What's a doctype? SGML had the idea that you could > get to the DTD from The idea that Johnathan Borden brought up a while back http://lists.xml.org/archives/xml-dev/200201/msg01271.html that an RDDL purpose might be used to define a doctype is more along the lines of what I'm thinking. It seems that a doctype exists for every element that can be used as a root element in a document. Since an element can be defined as belonging to a namespace, a corresponding doctype could similarly be defined -- and would naturally fit within the same namespace, but not have the same name (not sure how its name might be decided...). Then there is the issue of the "document type" having identity outside of the context of its namespace. I guess some kind of QName-to-URI mapping http://www.openhealth.org/RDF/QNameToURI.htm (thanks, google) would be useful for that. - Chris -----Original Message----- From: Tim Bray [mailto:tbray@t...] Sent: Tuesday, October 15, 2002 1:07 PM To: Chris Wilper Cc: xml-dev@l... Subject: Re: Identify PUBLICID outside of dtd? Chris Wilper wrote: > I'm thinking that having a URI to identify a > doctype would ... be good... Whether the format would be > registered with IANA or not is another issue. What's a doctype? SGML had the idea that you could get to the DTD from the Public or System identifier, and that's all you could get to (automatically). RDDL tries to deal with the reality that a "document type", if such a thing exists, involves more than one schema in one language. To be fair, the SGML people always said that the DTD formally included all the human-readable documentation; RDDL is trying to automate that. There was a brief wave of enthusiasm a couple of years ago from people who wanted to repeat SGML's mistake of placing the schema (i.e. a bundle of syntax constraints) at the center of everything, but we seem to have gotten over that. -Tim
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