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Liam R E Quin scripsit: > > So an XHTML DOCTYPE might look like any of these: > [1] > > <!DOCTYPE html SYSTEM "../dtds/mini-html.dtd"> > > [2] > > <!DOCTYPE html PUBLIC "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" > > "../dtds/standard-html.dtd"> > > [3] > > <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" > > "../dtds/standard-html.dtd"> > > Or even <!DOCTYPE html> as it turns out. > > However, if you give both SYSTEM and PUBLIC, the PUBLIC identifier can > be tignored, whereas the system identifier cannot be ignored: The above is a contrafactual version of XML in which system ids can be anything with local meaning, whereas public ids are either FPIs or URIs. > > [[ > An XML processor attempting to retrieve the entity's content may use any > The XML spec also (indirectly) gives parsers license to use xml:base for > resolving system identifiers, for what it's worth. I believe that's incorrect. The scope of xml:base is at most the root element, and DOCTYPE declarations are outside the root element. -- You are a child of the universe no less John Cowan than the trees and all other acyclic http://www.ccil.org/~cowan graphs; you have a right to be here. cowan@c... --DeXiderata by Sean McGrath
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