diff -uNr sw.old/source/core/unocore/unosect.cxx sw.new/source/core/unocore/unosect.cxx
--- sw.old/source/core/unocore/unosect.cxx	2008-05-15 15:28:14.000000000 +0800
+++ sw.new/source/core/unocore/unosect.cxx	2008-05-21 17:19:02.000000000 +0800
@@ -1040,7 +1040,7 @@
                     case WID_SECT_DDE_AUTOUPDATE:
                     {
                         // GetUpdateType() returns .._ALWAYS or .._ONCALL
-                        if ( pSect->IsLinkType() && pSect->IsConnected() )
+                        if ( pSect && pSect->IsLinkType() && pSect->IsConnected() )//lijian #73247
                         {
                             sal_Bool bTemp =
                                 (pSect->GetUpdateType() == sfx2::LINKUPDATE_ALWAYS);
@@ -1149,6 +1149,8 @@
                     case FN_UNO_REDLINE_NODE_START:
                     case FN_UNO_REDLINE_NODE_END:
                     {
+						if ( !pFmt )
+							throw lang::IllegalArgumentException();//lijian #73247
                         SwNode* pSectNode = pFmt->GetSectionNode();
                         if(FN_UNO_REDLINE_NODE_END == pMap->nWID)
                             pSectNode = pSectNode->EndOfSectionNode();