xml-dev - Re: Is this legal in a DTD?

["Richard L. Goerwitz" <richard@goon.stg.brown.edu>]

> Serrat Jaime - jasr wrote:
> 
> I was wondering if the following would be possible in a DTD...
[example deleted]

Just for the record, there are a number of online validators you can
use to answer questions of this sort (some of them written by active
participants in this mailing list).  I don't mean this as a critique.
This forum is pretty welcoming when it comes to basic questions.  You
just may find it faster and easier to run this sort of problem by a
validator first.

To use a validator in this way, wrap up a DTD slice in a simple XML
document:

<!DOCTYPE PARENTS [
  <!ELEMENT PARENTS  (FATHER?, MOTHER?)> 
  <!ELEMENT FATHER   (CHILD*)> 
  <!ELEMENT MOTHER   (CHILD*)> 
  <!ELEMENT CHILD    (SON | DAUGHTER)>
  <!ELEMENT SON      (#PCDATA)> 
  <!ELEMENT DAUGHTER (#PCDATA)> 
]>
<PARENTS></PARENTS>

Then run it through an online validator.

Our validator lives at:

  http://www.stg.brown.edu/service/xmlvalid/

Another nice validator may be found at:

  http://www.cogsci.ed.ac.uk/~richard/xml-check.html

This page contains links to several additional validators.

-- 

Richard Goerwitz
PGP key fingerprint:    C1 3E F4 23 7C 33 51 8D  3B 88 53 57 56 0D 38 A0
For more info (mail, phone, fax no.):  finger richard@goon.stg.brown.edu

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