hg: jdk7u/jdk7u-dev/jaxp: 7157610: NullPointerException occurs when parsing XML doc

[huizhe.wang at oracle.com]

Changeset: 7adc0347cb95
Author:    joehw
Date:      2012-06-12 11:03 -0700
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u-dev/jaxp/rev/7adc0347cb95

7157610: NullPointerException occurs when parsing XML doc
Summary: recovers what was the original disallow-doctype-decl, reporting error when disallow-doctype-decl is true, and change everything else that was added for SupportDTD to be governed by a new flag 'fSupportDTD'.
Reviewed-by: lancea

! src/com/sun/org/apache/xerces/internal/impl/XMLDocumentFragmentScannerImpl.java
! src/com/sun/org/apache/xerces/internal/impl/XMLDocumentScannerImpl.java