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   Re: [xml-dev] Including other DTDs

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"Remco de Boer" <deboer@zoorobotics.com> writes:

> Hi all,
> I'm currently investigating the MatML DTD (v2.0) that can be found at http://matml.nist.gov/ 
> This DTD specifies the use of two other DTDs; the Virtual Hyperglossary (VHG) and Scalable Vector Graphics (SVG) DTD. The syntax it uses to include these DTDs is as follows:
> <!ENTITY % VHG SYSTEM "http://www.vhg.org.uk/dtd/vhgdtd.html";>
> <!ELEMENT Terms (%VHG;)>
> <!ATTLIST Terms %xmlns;>

That's completely bogus -- you can't shove an html document (which is
indeed what's at the end of that URL) in to an element declaration.
If the reference was all on its own on a line, _and_ the URL was
corrected, then it would be fine:

<!ENTITY % VHG SYSTEM "http://www.vhg.org.uk/dtd/vhg.dtd";>

That's the proper way to compose DTD documents, _if_ they are designed
for it.

  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
          W3C Fellow 1999--2002, part-time member of W3C Team
     2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
	    Fax: (44) 131 650-4587, e-mail: ht@cogsci.ed.ac.uk
		     URL: http://www.ltg.ed.ac.uk/~ht/
 [mail really from me _always_ has this .sig -- mail without it is forged spam]


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