[Expat-bugs] [ expat-Bugs-1156398 ] XML_UseForeignDTD forces incorrect WF checking

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Bugs item #1156398, was opened at 2005-03-03 21:19
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Karl Waclawek (kwaclaw)
Assigned to: Karl Waclawek (kwaclaw)
Summary: XML_UseForeignDTD forces incorrect WF checking

Initial Comment:

When Expat calls the externalEntityRefHandler within
the prolog,
then it concludes that there must be an external
subset, as there
was an external identifier encountered.
This information influences how the WFC: Entity Declared
is checked.

However, when Expat calls the externalEntityRefHandler
in order
to allow the application to supply an external subset
when there
was none, then Expat should not make this assumption unless
an actual subset has been processed, as indicated by the
dtd->paramEntityRead flag.

The attached patch fixes this.

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