sw_redlinehide_3: have SwTextFrame ensure that list node is ...

... always the same as pParaPropsNode.

Change-Id: I1fb225d147ec3558615ad16ec49f873db7f1628f

sw/source/core/inc/txtfrm.hxx

@@ -934,14 +934,14 @@ struct MergedPara
     /// const_casts it and modifies it (also, Update will modify it)
     OUString mergedText;
     /// most paragraph properties are taken from the first non-empty node
-    SwTextNode const* pParaPropsNode;
+    SwTextNode * pParaPropsNode;
     /// except break attributes, those are taken from the first node
     SwTextNode *const pFirstNode;
     /// mainly for sanity checks
     SwTextNode const* pLastNode;
     MergedPara(SwTextFrame & rFrame, std::vector<Extent>&& rExtents,
             OUString const& rText,
-            SwTextNode const*const pProps, SwTextNode *const pFirst,
+            SwTextNode *const pProps, SwTextNode *const pFirst,
             SwTextNode const*const pLast)
         : listener(rFrame), extents(std::move(rExtents)), mergedText(rText)
         , pParaPropsNode(pProps), pFirstNode(pFirst), pLastNode(pLast)

sw/source/core/text/txtfrm.cxx

@@ -827,7 +827,9 @@ static TextFrameIndex UpdateMergedParaForInsert(MergedPara & rMerged,
         nInserted = nLen;
         if (rNode.GetIndex() < rMerged.pParaPropsNode->GetIndex())
         {   // text inserted before current para-props node
-            rMerged.pParaPropsNode = &rNode;
+            rMerged.pParaPropsNode->RemoveFromListRLHidden();
+            rMerged.pParaPropsNode = &const_cast<SwTextNode&>(rNode);
+            rMerged.pParaPropsNode->AddToListRLHidden();
         }
     }
     rMerged.mergedText = text.makeStringAndClear();
@@ -953,9 +955,11 @@ TextFrameIndex UpdateMergedParaForDelete(MergedPara & rMerged,
     {   // all visible text from node was erased
         if (rMerged.pParaPropsNode == &rNode)
         {
+            rMerged.pParaPropsNode->RemoveFromListRLHidden();
             rMerged.pParaPropsNode = rMerged.extents.empty()
                 ? rMerged.pFirstNode
                 : rMerged.extents.front().pNode;
+            rMerged.pParaPropsNode->AddToListRLHidden();
         }
 // NOPE must listen on all non-hidden nodes; particularly on pLastNode        rMerged.listener.EndListening(&const_cast<SwTextNode&>(rNode));
     }