ModSAX: Proposed Core Features (heretical?)

Simon St.Laurent simonstl at
Mon Mar 15 20:11:10 GMT 1999

At 02:18 PM 3/15/99 -0500, Bill la Forge wrote:
>From: Simon St.Laurent <simonstl at>
>>Basically, he wanted the ability to check the document structure without
>>the internal subset, so he could rely on the validation process to make
>>certain that documents conformed to an 'official' DTD, without extra junk
>>some twerpy developer put in the internal subset to make his own version
>>valid if not official.
>But even given that an 'official' DTD was used, there is a question as to
>WHICH official DTD was used. 
>[...much good stuff...]
>My belief here is that it is perhaps best to abandon validation by the
>kernel and instead use filters which support the validation needs of the
>application. Errors so detected may be because of a poorly constructed
>but may also be due to constraints imposed by a particular application. 

I like the filters approach very much.  Perhaps it might be possible to
implement that approach, and control it through options set with ModSAX -
among other things, being able to order the parser to use a particular
DTD/schema to process a document would get this poor DB admin out of his
nightmare.  Hmmm....

Simon St.Laurent
XML: A Primer
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