[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: WD for Namespaces 1.1
Ronald Bourret wrote: > > ... > > I think this does raise a legitimate problem though, and that is that > moving namespaces into 1.1 formalizes the problems between DTDs and > namespaces. One solution is to continue to live with the problem. A > better solution is to allow namespace "declarations" in DTDs via the > mechanism proposed recently by Rick Jelliffe [1] and implemented a years > ago by Microsoft. > > The good news is that this solution is already known to work. The bad > news is that it would cause backwards-incompatibility problems -- > documents that are both valid and namespace valid would cease to be > valid due to a lack of xmlns attribute defaults in the DTD. in order to avoid this problem it is necessary to implement a more complete inference mechanism than that suggested by [1] and implemented by microsoft. where one performs constriant propagation in the type domain [2] one can incorporate the declarations in the document entity and "retrofit" existing dtd's. > > -- Ron > > [1] http://lists.xml.org/archives/xml-dev/200201/msg02012.html [2] http://lists.xml.org/archives/xml-dev/200201/msg02044.html
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