'dashes in DTD not validating

I have a DTD supplied by someone else, and it is not validating when I try to use XSLT. Here is an extract:

<!ELEMENT        vehicle                        - -        (#PCDATA | left | centre | right)* 
                                                -(vehicle |
                                                   date |
                                                   title |
                                                   price |
                                                   id |
                                                   code |
                                                   ref |
                                                  %changeref
                                                )>

The parser has a problem with the two dashes on the first line. Is this an old way of doing DTDs that the parser has a problem with?

The DTD is quite big and these dashes are all the way through the definitions. Is there something I can do to make it validate?

xmlxsltdtd


Solution 1:[1]

That DTD is for SGML, not XML.

The extra - - are for tag minimization, which XML does not support. You'll have to remove those if you want to use the DTD for XML.

See also

Sources

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Source: Stack Overflow

Solution Source
Solution 1 kjhughes

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