[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: DTD question
> > DuCharme, Robert writes: > > > > Is the following correct? > > > <!ELEMENT TYPE_OF_LOSS_CODE EMPTY> > > > <!ATTLIST TYPE_OF_LOSS_CODE > > > > > It is correct, but your second line is basically saying "here > comes some > > attribute definitions for the TYPE_OF_LOSS_CODE element type," > and then it > > doesn't have any. This is legal (see production 52 of the XML > spec), and > > would typically be used as a placeholder for where you're > going to put the > > attribute definitions, but wouldn't serve much purpose that I > know of in a > > production system. > > It's very useful in a system that's heavily configured with parameter > entities (whether such a system itself is useful is an open debate). > > <![%use-security-features;[ > <!ENTITY % TYPE_OF_LOSS_CODE_atts " > security-level NMTOKEN #REQUIRED > "> > ]]> > <!ENTITY % TYPE_OF_LOSS_CODE_atts ""> > > <!ELEMENT TYPE_OF_LOSS_CODE EMPTY> > <!ATTLIST TYPE_OF_LOSS_CODE > %TYPE_OF_LOSS_CODE_atts;> > Can some kind people explain what the use of > <![%use-security-features;[ > <!ENTITY % TYPE_OF_LOSS_CODE_atts " > security-level NMTOKEN #REQUIRED > "> > ]]> I know XML use <![CDATA[....]]> for non-parse data, what are the other use of <![..[..]]> and what does this notation means in general? ben xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ and on CD-ROM/ISBN 981-02-3594-1 To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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