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7169Re: [XSL-FO] Schema definition

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  • G. Ken Holman
    May 1, 2006
      At 2006-05-01 12:51 -0400, Steve Pruitt wrote:
      >Does anyone know where a W3 Schema definition for XSL can be found? I
      >have searched, but cannot find anything satisfactory.

      There is no official schema (and while I've seen unofficial DTDs and
      I've heard of an unofficial RELAX-NG schema, I haven't heard of a W3C Schema).

      While RELAX-NG is rich enough to express the constraints of the
      vocabulary, neither DTD nor W3C Schema are powerful enough. Just for
      example, the <basic-link> element has either an internal-destination=
      or external-destination= attribute ... not neither and not both. You
      can say that in RELAX-NG-speak, but not in DTD-speak nor XSD-speak.

      Why do you think you need it? Processors can be validating the
      content as they work on it if they wish ... it is their
      responsibility to detect errors.

      I hope this helps.

      . . . . . . . . Ken

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