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cfleizach@apple.com authored
Reviewed by Beth Dakin. Bug 23509: Crash at -[WebCoreAXObject doAXNextSentenceEndTextMarkerForTextMarker:] https://bugs.webkit.org/show_bug.cgi?id=23509 Add null checking around next/previous sentence retrieval in AX code * page/AccessibilityObject.cpp: (WebCore::AccessibilityObject::nextSentenceEndPosition): (WebCore::AccessibilityObject::previousSentenceStartPosition): git-svn-id: http://svn.webkit.org/repository/webkit/trunk@40191 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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