Re: Rethinking namespaces, attribute remapping
It seems from all the various postings on XLink/HLink, et cetera, that one of the real problems of XML 1.X is a missing data type, the pointer. If the various attributes could have been declared as:
src PTR #REQUIRED
href PTR #IMPLIED
Then we would have had a way to identify links [anything with the type PTR], regardless of the name of the attribute. So if want to correct the HLink/XLink fiasco, why not add a type of attributes that indicates that it is a pointer. We might event use the notation mechanism so that there can be a way to identify validation constraints on pointers, without requiring predeclaration of every pointer in an external entity:
<!NOTATION URI PUBLIC "some agreed upon string for href-style URIs" >
<!NOTATION XPointer PUBLIC "some agreed upon string for XPointer URIs" >
Would declare "Attribute types"
which could then be used like:
href NOTATION XPointer #IMPLIED
src NOTATION URI #IMPLIED
So anyway, if we [as Tonto once said -- We who, Kimosabe?] end up refactoring XML, I think that something like this should be considered. It seems to eliminate a lot of the trouble posed by links today, without a lot of new syntax, and no colons necessary [for those Averse Religiously to such devices].
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