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At 11:20 AM -0500 10/30/02, Seairth Jacobs wrote:
>But all that presuposes that the parser will be encountering these parts of
>XML. As I mentioned, if the parser will never encounter a particular part
>of XML, then it should be okay to leave that code out. For instance, if a
>parser handles only "standalone" documents, why should it need code to handl
>DTDs?
Because standalone documents can contain DTDs in the internal DTD subset.
>I absolutely agree that a parser should not ignore parts of the XML
>spec that it will encounter, but that is not what I said above.
You never know at compile time what documents you or may not
encounter. Just because the spec says a SOAP request can't contain a
processing instruction or a document type declaration doesn't mean
one won't.
In order to be a conformant XML parser, a parser must adhere to the
minimum requirements of XML 1.0. It is not enough to work correctly
for only some subset of well-formed XML 1.0 documents.
--
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| Elliotte Rusty Harold | elharo@metalab.unc.edu | Writer/Programmer |
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| XML in a Nutshell, 2nd Edition (O'Reilly, 2002) |
| http://www.cafeconleche.org/books/xian2/ |
| http://www.amazon.com/exec/obidos/ISBN%3D0596002920/cafeaulaitA/ |
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