1 files changed, 15 insertions, 0 deletions
diff --git a/sw/source/core/doc/docredln.cxx b/sw/source/core/doc/docredln.cxx
index 1e31e7150324..f46749e24830 100644
--- a/sw/source/core/doc/docredln.cxx
+++ b/sw/source/core/doc/docredln.cxx
@@ -60,6 +60,7 @@
 #include <txtfld.hxx>
 
 #include <flowfrm.hxx>
+#include <txtfrm.hxx>
 
 using namespace com::sun::star;
 
@@ -1673,6 +1674,20 @@ void SwRangeRedline::MoveFromSection(size_t nMyPos)
             *pItem = *Start();
         for( auto& pItem : aBehindArr )
             *pItem = *End();
+
+        // sw_redlinehide: assume that Show will only be called by filters;
+        // when it is called, ensure that no MergedPara instance survives
+        for (SwNodeIndex node = Start()->nNode; node.GetIndex() <= End()->nNode.GetIndex(); ++node)
+        {
+            if (SwTextNode const*const pNode = node.GetNode().GetTextNode())
+            {
+                SwIterator<SwTextFrame, SwTextNode, sw::IteratorMode::UnwrapMulti> aIter(*pNode);
+                for (SwTextFrame* pFrame = aIter.First(); pFrame; pFrame = aIter.Next())
+                {
+                    pFrame->SetMergedPara(nullptr);
+                }
+            }
+        }
     }
     else
         InvalidateRange();