diff -uNr sw.old/source/core/doc/docredln.cxx sw.new/source/core/doc/docredln.cxx
--- sw.old/source/core/doc/docredln.cxx	2007-07-24 09:48:56.000000000 +0800
+++ sw.new/source/core/doc/docredln.cxx	2007-11-28 17:10:40.000000000 +0800
@@ -1620,6 +1620,18 @@
 	return 0;
 }
 
+SwStartNode* lcl_StartExceptSection( SwNode* pNd )
+{
+	if ( pNd )
+	{
+		SwStartNode* pTmpNd = pNd->StartOfSectionNode();
+		while( pTmpNd->IsSectionNode() )
+			pTmpNd = pTmpNd->StartOfSectionNode();
+		return pTmpNd;
+	}
+	return 0;
+}
+
 typedef BOOL (*Fn_AcceptReject)( const SwRootFrm& rLayout, SwRedlineTbl& rArr, USHORT& rPos,//modify by lijian 070719
 						BOOL bCallDelete,
 						const SwPosition* pSttRng,
@@ -1743,6 +1755,26 @@
 
 			if( pDelStt && pDelEnd )
 			{
+				//#i73682# see comments below
+				if ( pDelEnd->nContent == 0 && !pDelEnd->nNode.GetNode().IsTxtNode() )  
+				{
+					SwNodeIndex aSttIdx = pDelStt->nNode, aEndIdx = pDelEnd->nNode;
+					SwNodes& rNds = aSttIdx.GetNode().GetNodes();
+					SwCntntNode *pCNdBfStt = rNds.GoPrevious( &aSttIdx ),
+						*pCNdAfEnd = rNds.GoNext( &aEndIdx );
+					if( !(pCNdBfStt && lcl_StartExceptSection(pCNdBfStt) == lcl_StartExceptSection(&pDelStt->nNode.GetNode()) ||
+						pCNdAfEnd && lcl_StartExceptSection(pCNdAfEnd) == lcl_StartExceptSection(&pDelEnd->nNode.GetNode())) ) 
+					{
+						SwPosition aTmpDelEnd = *pDelEnd;
+						aTmpDelEnd.nNode--;
+						SwCntntNode *pCNd = aTmpDelEnd.nNode.GetNode().GetCntntNode();
+						if ( pCNd ) 
+						{
+							aTmpDelEnd.nContent.Assign( pCNd, pCNd->Len() );
+							pDelEnd = &aTmpDelEnd;
+						}
+					}
+				}
 				SwPaM aPam( *pDelStt, *pDelEnd );
 				SwCntntNode* pCSttNd = pDelStt->nNode.GetNode().GetCntntNode();
 				SwCntntNode* pCEndNd = pDelEnd->nNode.GetNode().GetCntntNode();
@@ -1852,6 +1884,31 @@
 			}
 			if( pDelStt && pDelEnd )
 			{
+				//#i73682# We should see if there is only one paragraph in the document,
+				//and this paragraph will be deleted. If so and the pDelEnd points to non-txtNd, 
+				//we must keep that there will be one paragraph at least.
+				if ( pDelEnd->nContent == 0 && !pDelEnd->nNode.GetNode().IsTxtNode() )  
+				{
+					SwNodeIndex aSttIdx = pDelStt->nNode, aEndIdx = pDelEnd->nNode;
+					SwNodes& rNds = aSttIdx.GetNode().GetNodes();
+					//to see if there are paragraphs before or after this deletion-redline
+					//paragraph
+					SwCntntNode *pCNdBfStt = rNds.GoPrevious( &aSttIdx ),
+						*pCNdAfEnd = rNds.GoNext( &aEndIdx );
+					//if only this paragraph and has to be deleted
+					if( !(pCNdBfStt && lcl_StartExceptSection(pCNdBfStt) == lcl_StartExceptSection(&pDelStt->nNode.GetNode()) ||
+						pCNdAfEnd && lcl_StartExceptSection(pCNdAfEnd) == lcl_StartExceptSection(&pDelEnd->nNode.GetNode())) ) 
+					{
+						SwPosition aTmpDelEnd = *pDelEnd;
+						aTmpDelEnd.nNode--;
+						SwCntntNode *pCNd = aTmpDelEnd.nNode.GetNode().GetCntntNode();
+						if ( pCNd ) 
+						{
+							aTmpDelEnd.nContent.Assign( pCNd, pCNd->Len() );
+							pDelEnd = &aTmpDelEnd;
+						}
+					}
+				}
 				SwPaM aPam( *pDelStt, *pDelEnd );
 
 				SwCntntNode* pCSttNd = pDelStt->nNode.GetNode().GetCntntNode();