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> This is a two-edged sword that cuts between the document-centric > and data-centric views of XML. Is an XML instance structured document > content or a data set? It seems as though the answer could be: both. > > The idea that markup users "are simply using pre-defined vocabularies > defined by programmers" is only partially true. Depending on what > type of content is being defined, it may well be that the users -- or > subject matter experts -- play a significant role in defining those > vocabularies. This is especially true if the vocabulary runs deeper > than just structural elements and contains semantic or content-based > element definitions. It is true that the dev is the one who has to > construct the final DTD/Schema, but do not underestimate the value of > subject matter experts in developing a vocabulary that accurately > reflects the content and structure of a given DTD/Schema. Fair enough. It would have been more accurate to say "markup users are simply using pre-defined vocabularies *implemented* by programmers." -aaron http://staff.develop.com/aarons
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