XMLAttDef::JustFaultIn and reuse validator

[Chris Hill <ch...@wolfram.com>]

In my testing of Xerces 1.4 while reusing the validator, I've discovered 
that there are times when undeclared attributes get faulted into the name 
pools and get stuck there.

I can parse a file once, and I'll get an undeclared attribute error and 
then I'll parse it again and I don't get the message.  There was some code 
added to scanStartTag in XMLScanner.c to deal with this, but the code looks 
wrong to me.  It sets the XMLAttDef::JustFaultIn creation reason if NOT 
reusing the validator.  It also "resets the CreateReason to avoid redundant 
error", but the error isn't redundant if the validator is being reused. The 
code was also not placed in the parallel scanStartTagNS code, so the exact 
behavior depends on if the parser is doing namespaces or not.

Chris


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