Index: source/core/fields/docufld.cxx
===================================================================
--- source/core/fields/docufld.cxx	(revision 268411)
+++ source/core/fields/docufld.cxx	(working copy)
@@ -1951,6 +1951,9 @@
 		break;
 	case FIELD_PROP_PAR2:
 		::GetString( rAny, sTxt );
+		//#i100374# new string via api, delete complex text object so SwPostItNote picks up the new string
+		delete mpText;
+		mpText = 0;
 		break;
 	case FIELD_PROP_TEXT:
 		DBG_ERROR("Not implemented!");
Index: source/core/unocore/unofield.cxx
===================================================================
--- source/core/unocore/unofield.cxx	(revision 268411)
+++ source/core/unocore/unofield.cxx	(working copy)
@@ -1988,12 +1988,25 @@
             // <- #111840#
         }
         pField->PutValue( rValue, pMap->nWID );
+
+	//#i100374# notify SwPostIt about new field content
+	if (RES_POSTITFLD== nWhich && pFmtFld)
+	{
+		const_cast<SwFmtFld*>(pFmtFld)->Broadcast(SwFmtFldHint( 0, SWFMTFLD_CHANGED ));
+	}
+
         //#114571# changes of the expanded string have to be notified
         //#to the SwTxtFld
         if(RES_DBFLD == nWhich && pFmtFld->GetTxtFld())
         {
             pFmtFld->GetTxtFld()->Expand();
         }
+	
+	//#i100374# changing a document field should set the modify flag
+	SwDoc* pDoc = GetDoc();
+	if (pDoc)
+		pDoc->SetModified();
+		
 	}
 	else if(m_pProps)
 	{