lotuswordpro: prefer passing OUString by reference

Change-Id: Ic94616a7bc34ec5a85ea84178c7d798194201ebe

75 files changed, 228 insertions, 228 deletions

diff --git a/lotuswordpro/source/filter/lwpbookmarkmgr.cxx b/lotuswordpro/source/filter/lwpbookmarkmgr.cxx
index e2c1f00d52bf..dbf5d2cdc9fc 100644
--- a/lotuswordpro/source/filter/lwpbookmarkmgr.cxx
+++ b/lotuswordpro/source/filter/lwpbookmarkmgr.cxx
@@ -55,7 +55,7 @@
  ************************************************************************/
 #include "lwpbookmarkmgr.hxx"
 
-void LwpBookmarkMgr::AddXFBookmarkStart(OUString sName,XFBookmarkStart* pMark)
+void LwpBookmarkMgr::AddXFBookmarkStart(const OUString& sName,XFBookmarkStart* pMark)
 {
     std::map<OUString,XFBookmarkStart*>::iterator iter;
     iter = m_MapStart.find(sName);
@@ -73,7 +73,7 @@ void LwpBookmarkMgr::AddXFBookmarkStart(OUString sName,XFBookmarkStart* pMark)
         m_MapStart[sName] = pMark;
     }
 }
-void LwpBookmarkMgr::AddXFBookmarkEnd(OUString sName,XFBookmarkEnd* pMark)
+void LwpBookmarkMgr::AddXFBookmarkEnd(const OUString& sName,XFBookmarkEnd* pMark)
 {
     std::map<OUString,XFBookmarkEnd*>::iterator iter;
     iter = m_MapEnd.find(sName);
@@ -91,7 +91,7 @@ void LwpBookmarkMgr::AddXFBookmarkEnd(OUString sName,XFBookmarkEnd* pMark)
         m_MapEnd[sName] = pMark;
     }
 }
-sal_Bool LwpBookmarkMgr::FindBookmark(OUString sName)
+sal_Bool LwpBookmarkMgr::FindBookmark(const OUString& sName)
 {
     std::map<OUString,XFBookmarkStart*>::iterator iter;
     iter = m_MapStart.find(sName);
diff --git a/lotuswordpro/source/filter/lwpbookmarkmgr.hxx b/lotuswordpro/source/filter/lwpbookmarkmgr.hxx
index 86090b87963b..4b7e9a04125b 100644
--- a/lotuswordpro/source/filter/lwpbookmarkmgr.hxx
+++ b/lotuswordpro/source/filter/lwpbookmarkmgr.hxx
@@ -72,9 +72,9 @@
 class LwpBookmarkMgr
 {
 public:
-    void AddXFBookmarkEnd(OUString sName,XFBookmarkEnd* pMark);
-    void AddXFBookmarkStart(OUString sName,XFBookmarkStart* pMark);
-    sal_Bool FindBookmark(OUString sName);
+    void AddXFBookmarkEnd(const OUString& sName,XFBookmarkEnd* pMark);
+    void AddXFBookmarkStart(const OUString& sName,XFBookmarkStart* pMark);
+    sal_Bool FindBookmark(const OUString& sName);
     ~LwpBookmarkMgr();
     LwpBookmarkMgr();
 private:
diff --git a/lotuswordpro/source/filter/lwpfilter.cxx b/lotuswordpro/source/filter/lwpfilter.cxx
index 2b7880b019e5..90c2c23a3849 100644
--- a/lotuswordpro/source/filter/lwpfilter.cxx
+++ b/lotuswordpro/source/filter/lwpfilter.cxx
@@ -98,7 +98,7 @@ using namespace ::com::sun::star;
 using ::com::sun::star::uno::Sequence;
 
 sal_Bool IsWordproFile( uno::Reference<XInputStream>& rInputStream);
-sal_Bool IsWordproFile(OUString file);
+sal_Bool IsWordproFile(const OUString& file);
 
 LWPFilterReader::LWPFilterReader()
 {
@@ -442,7 +442,7 @@ sal_Bool IsWordProStr(const sal_Int8 *pBuf)
     return bRet;
 }
 
-sal_Bool IsWordproFile(OUString file)
+sal_Bool IsWordproFile(const OUString& file)
 {
     sal_Bool bRet = sal_False;
     SfxMedium aMedium( file, STREAM_STD_READ);
diff --git a/lotuswordpro/source/filter/lwpfootnote.hxx b/lotuswordpro/source/filter/lwpfootnote.hxx
index e7ece5f2b347..ef36ba29f5fc 100644
--- a/lotuswordpro/source/filter/lwpfootnote.hxx
+++ b/lotuswordpro/source/filter/lwpfootnote.hxx
@@ -286,7 +286,7 @@ public:
     sal_Bool GetContinuedOn(){ return ((m_nFlag & FO_CONTINUEON) != 0);}
     OUString GetContinuedOnMessage();
     OUString GetContinuedFromMessage();
-    void SetMasterPage(OUString strMasterPage){ m_strMasterPage = strMasterPage;}
+    void SetMasterPage(const OUString& strMasterPage){ m_strMasterPage = strMasterPage;}
 };
 
 #endif
diff --git a/lotuswordpro/source/filter/lwpfoundry.cxx b/lotuswordpro/source/filter/lwpfoundry.cxx
index 8c62711a40c7..40dc99e2a9b3 100644
--- a/lotuswordpro/source/filter/lwpfoundry.cxx
+++ b/lotuswordpro/source/filter/lwpfoundry.cxx
@@ -287,7 +287,7 @@ LwpObjectID * LwpFoundry::GetDefaultTextStyle()
 * @descr:   Get paragraph style object id according to its style name
 *
 */
-LwpObjectID * LwpFoundry::FindParaStyleByName(OUString name)
+LwpObjectID * LwpFoundry::FindParaStyleByName(const OUString& name)
 {
     //Register all text styles: para styles, character styles
     LwpDLVListHeadHolder* pParaStyleHolder = static_cast<LwpDLVListHeadHolder*>(GetTextStyleHead()->obj());
@@ -310,7 +310,7 @@ LwpObjectID * LwpFoundry::FindParaStyleByName(OUString name)
 * @descr:   Get style name registered according the original style name
 *
 */
-OUString LwpFoundry::FindActuralStyleName(OUString name)
+OUString LwpFoundry::FindActuralStyleName(const OUString& name)
 {
     LwpObjectID* pID = FindParaStyleByName(name);
     if(pID)
diff --git a/lotuswordpro/source/filter/lwpfoundry.hxx b/lotuswordpro/source/filter/lwpfoundry.hxx
index 6ee2f63d2caa..4e4aeb3dae0d 100644
--- a/lotuswordpro/source/filter/lwpfoundry.hxx
+++ b/lotuswordpro/source/filter/lwpfoundry.hxx
@@ -283,8 +283,8 @@ public:
     LwpSection* EnumSections(LwpSection* pSection);
     LwpBulletStyleMgr* GetBulletStyleMgr(){return m_pBulletStyleMgr;}
 
-    LwpObjectID* FindParaStyleByName(OUString name);
-    OUString FindActuralStyleName(OUString name);
+    LwpObjectID* FindParaStyleByName(const OUString& name);
+    OUString FindActuralStyleName(const OUString& name);
 };
 
 class LwpStyleManager
diff --git a/lotuswordpro/source/filter/lwpfrib.cxx b/lotuswordpro/source/filter/lwpfrib.cxx
index d4bda5520845..f9ea79dd801c 100644
--- a/lotuswordpro/source/filter/lwpfrib.cxx
+++ b/lotuswordpro/source/filter/lwpfrib.cxx
@@ -383,7 +383,7 @@ sal_Bool LwpFrib::HasNextFrib()
     return sal_True;
 }
 
-void LwpFrib::ConvertChars(XFContentContainer* pXFPara,OUString text)
+void LwpFrib::ConvertChars(XFContentContainer* pXFPara,const OUString& text)
 {
     if (m_ModFlag)
     {
@@ -399,7 +399,7 @@ void LwpFrib::ConvertChars(XFContentContainer* pXFPara,OUString text)
     }
 }
 
-void LwpFrib::ConvertHyperLink(XFContentContainer* pXFPara,LwpHyperlinkMgr* pHyperlink,OUString text)
+void LwpFrib::ConvertHyperLink(XFContentContainer* pXFPara,LwpHyperlinkMgr* pHyperlink,const OUString& text)
 {
     XFHyperlink* pHyper = new XFHyperlink;
     pHyper->SetHRef(pHyperlink->GetHyperlink());
diff --git a/lotuswordpro/source/filter/lwpfrib.hxx b/lotuswordpro/source/filter/lwpfrib.hxx
index 6f9cd40a9c1d..30297f57ada9 100644
--- a/lotuswordpro/source/filter/lwpfrib.hxx
+++ b/lotuswordpro/source/filter/lwpfrib.hxx
@@ -118,8 +118,8 @@ public:
     ModifierInfo* GetModifiers(){return m_pModifiers;}
     virtual void RegisterStyle(LwpFoundry* pFoundry);
     sal_Bool HasNextFrib();
-    void ConvertChars(XFContentContainer* pXFPara,OUString text);
-    void ConvertHyperLink(XFContentContainer* pXFPara,LwpHyperlinkMgr* pHyperlink,OUString text);
+    void ConvertChars(XFContentContainer* pXFPara,const OUString& text);
+    void ConvertHyperLink(XFContentContainer* pXFPara,LwpHyperlinkMgr* pHyperlink,const OUString& text);
     XFFont* GetFont();
 
     sal_uInt8 GetRevisionType(){return m_nRevisionType;}
diff --git a/lotuswordpro/source/filter/lwpfribmark.cxx b/lotuswordpro/source/filter/lwpfribmark.cxx
index 4ad8977fc593..d767de2ceed6 100644
--- a/lotuswordpro/source/filter/lwpfribmark.cxx
+++ b/lotuswordpro/source/filter/lwpfribmark.cxx
@@ -411,7 +411,7 @@ void LwpFribField::RegisterTotalTimeStyle()
     m_TimeStyle = pXFStyleManager->AddStyle(pTimeStyle)->GetStyleName();
 }
 
-void LwpFribField::RegisterDateTimeStyle(OUString sFormula)
+void LwpFribField::RegisterDateTimeStyle(const OUString& sFormula)
 {
     XFDateStyle* pDateStyle = NULL;
     XFTimeStyle* pTimeStyle = NULL;
diff --git a/lotuswordpro/source/filter/lwpfribmark.hxx b/lotuswordpro/source/filter/lwpfribmark.hxx
index 929b2cc0cf44..a32cf79aecf1 100644
--- a/lotuswordpro/source/filter/lwpfribmark.hxx
+++ b/lotuswordpro/source/filter/lwpfribmark.hxx
@@ -137,7 +137,7 @@ private:
     sal_uInt8 m_nDocPowerType;
 
     void RegisterTimeField(LwpFieldMark* pFieldMark);
-    void RegisterDateTimeStyle(OUString sFormula);
+    void RegisterDateTimeStyle(const OUString& sFormula);
     void RegisterTotalTimeStyle();
     void CheckFieldType(LwpFieldMark* pFieldMark);
     void ConvertDocFieldStart(XFContentContainer* pXFPara,LwpFieldMark* pFieldMark);
diff --git a/lotuswordpro/source/filter/lwphyperlinkmgr.cxx b/lotuswordpro/source/filter/lwphyperlinkmgr.cxx
index 9f8904343019..5187b3f0c6f3 100644
--- a/lotuswordpro/source/filter/lwphyperlinkmgr.cxx
+++ b/lotuswordpro/source/filter/lwphyperlinkmgr.cxx
@@ -77,7 +77,7 @@ OUString LwpHyperlinkMgr::GetHyperlink()
     return m_Hyperlink;
 }
 
-void LwpHyperlinkMgr::SetHyperlink(OUString hyperlink)
+void LwpHyperlinkMgr::SetHyperlink(const OUString& hyperlink)
 {
     m_Hyperlink = hyperlink;
 }
diff --git a/lotuswordpro/source/filter/lwphyperlinkmgr.hxx b/lotuswordpro/source/filter/lwphyperlinkmgr.hxx
index 19fe7ec47c26..cc54ebb8c112 100644
--- a/lotuswordpro/source/filter/lwphyperlinkmgr.hxx
+++ b/lotuswordpro/source/filter/lwphyperlinkmgr.hxx
@@ -73,7 +73,7 @@ public:
     ~LwpHyperlinkMgr();
     void SetHyperlinkFlag(sal_Bool bFlag){m_bIsHyperlink = bFlag;}
     sal_Bool GetHyperlinkFlag(){return m_bIsHyperlink;}
-    void SetHyperlink(OUString hyperlink);
+    void SetHyperlink(const OUString& hyperlink);
     OUString GetHyperlink();
 private:
     OUString m_Hyperlink;
diff --git a/lotuswordpro/source/filter/lwpmarker.cxx b/lotuswordpro/source/filter/lwpmarker.cxx
index bde11c2aa6f9..5b8f5357693b 100644
--- a/lotuswordpro/source/filter/lwpmarker.cxx
+++ b/lotuswordpro/source/filter/lwpmarker.cxx
@@ -91,7 +91,7 @@ void LwpMarker::Read()
     m_pObjStrm->SkipExtra();
 }
 
-OUString LwpMarker::GetNamedProperty(OUString name)
+OUString LwpMarker::GetNamedProperty(const OUString& name)
 {
     LwpPropList* pProp = GetPropList();
     if (pProp)
diff --git a/lotuswordpro/source/filter/lwpmarker.hxx b/lotuswordpro/source/filter/lwpmarker.hxx
index 975d1a95324d..bbf97d7a3380 100644
--- a/lotuswordpro/source/filter/lwpmarker.hxx
+++ b/lotuswordpro/source/filter/lwpmarker.hxx
@@ -77,7 +77,7 @@ public:
     LwpMarker(LwpObjectHeader &objHdr, LwpSvStream *pStrm);
     ~LwpMarker(){}
     void Read();
-    OUString GetNamedProperty(OUString name);
+    OUString GetNamedProperty(const OUString& name);
 protected:
     enum{
         MARKER_START=1,
@@ -262,11 +262,11 @@ public:
     ~LwpRubyMarker(){}
     void Read();
     OUString GetRubyText(){return m_strRubyText;}
-    void SetRubyText(OUString sText){m_strRubyText = sText;}
+    void SetRubyText(const OUString& sText){m_strRubyText = sText;}
     OUString GetTextStyleName(){return m_TextStyle;}
-    void SetTextStyleName(OUString sName){m_TextStyle = sName;}
+    void SetTextStyleName(const OUString& sName){m_TextStyle = sName;}
     OUString GetRubyStyleName(){return m_RubyStyle;}
-    void SetRubyStyleName(OUString sName){m_RubyStyle = sName;}
+    void SetRubyStyleName(const OUString& sName){m_RubyStyle = sName;}
 private:
     LwpObjectID m_objLayout;
     OUString m_strRubyText;
diff --git a/lotuswordpro/source/filter/lwpnumericfmt.cxx b/lotuswordpro/source/filter/lwpnumericfmt.cxx
index 2c3993313929..1eacc7c31c99 100644
--- a/lotuswordpro/source/filter/lwpnumericfmt.cxx
+++ b/lotuswordpro/source/filter/lwpnumericfmt.cxx
@@ -461,7 +461,7 @@ XFStyle* LwpNumericFormat::Convert()
 *   @param
 *   @return fix wrong encoding of POUND symbol
 */
-OUString    LwpNumericFormat::reencode(OUString sCode)
+OUString    LwpNumericFormat::reencode(const OUString& sCode)
 {
     const sal_Unicode * pString = sCode.getStr();
     sal_uInt16 nLen = sCode.getLength();
diff --git a/lotuswordpro/source/filter/lwpnumericfmt.hxx b/lotuswordpro/source/filter/lwpnumericfmt.hxx
index 134e39873ed9..28b86570f5ad 100644
--- a/lotuswordpro/source/filter/lwpnumericfmt.hxx
+++ b/lotuswordpro/source/filter/lwpnumericfmt.hxx
@@ -102,7 +102,7 @@ struct LwpCurrencyInfo
     OUString sSymbol;
     sal_Bool bPost;
     sal_Bool bShowSpace;
-    LwpCurrencyInfo(OUString sSym)
+    LwpCurrencyInfo(const OUString& sSym)
     {
         sSymbol = sSym;
         bPost = sal_False;
@@ -113,7 +113,7 @@ struct LwpCurrencyInfo
         bPost = sal_False;
         bShowSpace = sal_False;
     }
-    LwpCurrencyInfo(OUString sSym,sal_Bool bPost_, sal_Bool bShowSpace_)
+    LwpCurrencyInfo(const OUString& sSym, sal_Bool bPost_, sal_Bool bShowSpace_)
     {
         sSymbol = sSym;
         bPost = bPost_;
@@ -282,7 +282,7 @@ private:
 
     void GetCurrencyStr(LwpNumericFormatSubset aNumber, OUString& aPrefix, OUString& aSuffix, sal_Bool bNegtive=sal_False);
     void SetNumberType(XFNumberStyle* pStyle);
-    OUString    reencode(OUString sCode);
+    OUString    reencode(const OUString& sCode);
 };
 
 inline sal_Bool
diff --git a/lotuswordpro/source/filter/lwppara.hxx b/lotuswordpro/source/filter/lwppara.hxx
index 1c4db95ced6d..515250ee3dc9 100644
--- a/lotuswordpro/source/filter/lwppara.hxx
+++ b/lotuswordpro/source/filter/lwppara.hxx
@@ -184,7 +184,7 @@ public:
     void SetBulletStyleName(const OUString& rNewName);
     void SetBulletFlag(sal_Bool bFlag);
     void SetIndent(LwpIndentOverride* pIndentOverride);
-    void SetFirstFrib(OUString Content,sal_uInt32 FontID);
+    void SetFirstFrib(const OUString& Content,sal_uInt32 FontID);
     OUString GetContentText(sal_Bool bAllText = sal_False);
 
     void SetParaDropcap(sal_Bool bFlag);
@@ -206,7 +206,7 @@ public:
 
     sal_Bool IsInCell();
 
-    void SetAllText(OUString sText);
+    void SetAllText(const OUString& sText);
     OUString GetStyleName(){return m_StyleName;}
 
 protected:
diff --git a/lotuswordpro/source/filter/lwppara1.cxx b/lotuswordpro/source/filter/lwppara1.cxx
index fbc67e2912f4..a8cb05e83bb1 100644
--- a/lotuswordpro/source/filter/lwppara1.cxx
+++ b/lotuswordpro/source/filter/lwppara1.cxx
@@ -134,7 +134,7 @@ OUString LwpPara::GetContentText(sal_Bool bAllText)
 /**
  * @short   set text of paragraph
  */
-void LwpPara::SetAllText(OUString sText)
+void LwpPara::SetAllText(const OUString& sText)
 {
     m_AllText+=sText;
 }
@@ -142,7 +142,7 @@ void LwpPara::SetAllText(OUString sText)
 /**
  * @short   set first frib content
  */
-void LwpPara::SetFirstFrib(OUString Content,sal_uInt32 FontID)
+void LwpPara::SetFirstFrib(const OUString& Content,sal_uInt32 FontID)
 {
     m_FontID= FontID;
     m_Content=Content;
diff --git a/lotuswordpro/source/filter/lwpproplist.cxx b/lotuswordpro/source/filter/lwpproplist.cxx
index 01646b22e3c0..8bd20f55a815 100644
--- a/lotuswordpro/source/filter/lwpproplist.cxx
+++ b/lotuswordpro/source/filter/lwpproplist.cxx
@@ -82,12 +82,12 @@ void LwpPropListElement::Read()
     m_pObjStrm->SkipExtra();
 }
 
-sal_Bool LwpPropListElement::IsNamed(OUString name)
+sal_Bool LwpPropListElement::IsNamed(const OUString& name)
 {
     return name.equals(m_Name.str());
 }
 
-OUString LwpPropList::GetNamedProperty(OUString name)
+OUString LwpPropList::GetNamedProperty(const OUString& name)
 {
     LwpPropListElement* pProp = FindPropByName(name);
     if (pProp)
@@ -97,7 +97,7 @@ OUString LwpPropList::GetNamedProperty(OUString name)
     return OUString("");
 }
 
-LwpPropListElement* LwpPropList::FindPropByName(OUString name)
+LwpPropListElement* LwpPropList::FindPropByName(const OUString& name)
 {
     LwpPropListElement* pElement = GetFirst();
 
diff --git a/lotuswordpro/source/filter/lwpproplist.hxx b/lotuswordpro/source/filter/lwpproplist.hxx
index 4e0deaf061e6..311fbf0e7719 100644
--- a/lotuswordpro/source/filter/lwpproplist.hxx
+++ b/lotuswordpro/source/filter/lwpproplist.hxx
@@ -75,7 +75,7 @@ public:
     LwpPropListElement(LwpObjectHeader &objHdr, LwpSvStream *pStrm);
     ~LwpPropListElement(){}
     void Read();
-    sal_Bool IsNamed(OUString name);
+    sal_Bool IsNamed(const OUString& name);
     LwpPropListElement* GetNext();
     LwpAtomHolder GetValue(){return m_Value;}
     LwpAtomHolder GetName(){return m_Name;}
@@ -91,10 +91,10 @@ public:
     ~LwpPropList(){}
     void Read(LwpObjectStream* pObjStrm);
     LwpPropListElement* GetFirst();
-    OUString GetNamedProperty(OUString name);
+    OUString GetNamedProperty(const OUString& name);
     OUString EnumNamedProperty(OUString& name,OUString& value);
 private:
-    LwpPropListElement* FindPropByName(OUString name);
+    LwpPropListElement* FindPropByName(const OUString& name);
 };
 
 #endif
diff --git a/lotuswordpro/source/filter/lwpstory.hxx b/lotuswordpro/source/filter/lwpstory.hxx
index 8ef75e32604b..79ad90878d05 100644
--- a/lotuswordpro/source/filter/lwpstory.hxx
+++ b/lotuswordpro/source/filter/lwpstory.hxx
@@ -122,7 +122,7 @@ public:
     inline void SetPMModified(sal_Bool bPMModified);
     inline void SetDropcapFlag(sal_Bool bFlag);
     inline void SetTabLayout(LwpLayout* pLayout);
-    inline void SetSectionName(OUString StyleName);
+    inline void SetSectionName(const OUString& StyleName);
 
     void SetCurrentLayout(LwpPageLayout* pPageLayout);
     void AddPageLayout(LwpPageLayout* pObject);
@@ -173,7 +173,7 @@ void LwpStory::SetTabLayout(LwpLayout* pLayout)
 {
     m_pTabLayout = pLayout;
 }
-void LwpStory::SetSectionName(OUString StyleName)
+void LwpStory::SetSectionName(const OUString& StyleName)
 {
     m_CurrSectionName = StyleName;
 }
diff --git a/lotuswordpro/source/filter/lwptblformula.cxx b/lotuswordpro/source/filter/lwptblformula.cxx
index c82073207f64..84e69a3dcd0f 100644
--- a/lotuswordpro/source/filter/lwptblformula.cxx
+++ b/lotuswordpro/source/filter/lwptblformula.cxx
@@ -456,7 +456,7 @@ OUString LwpFormulaConst::ToString(LwpTableLayout* /*pCellsMap*/)
 *   @param
 *   @return
 */
-LwpFormulaText::LwpFormulaText( OUString aText)
+LwpFormulaText::LwpFormulaText( const OUString& aText)
 {
     m_aText = aText;
 }
diff --git a/lotuswordpro/source/filter/lwptblformula.hxx b/lotuswordpro/source/filter/lwptblformula.hxx
index 43ed1ae4216a..ea8da42acad5 100644
--- a/lotuswordpro/source/filter/lwptblformula.hxx
+++ b/lotuswordpro/source/filter/lwptblformula.hxx
@@ -133,7 +133,7 @@ private:
 class LwpFormulaText:public LwpFormulaArg
 {
 public:
-    LwpFormulaText( OUString aText);
+    LwpFormulaText( const OUString& aText);
     virtual OUString ToString(LwpTableLayout* /*pCellsMap*/){return m_aText;}
 private:
     OUString m_aText;
diff --git a/lotuswordpro/source/filter/xfilter/ixfcontent.hxx b/lotuswordpro/source/filter/xfilter/ixfcontent.hxx
index 7da3155338d9..b18eeb257e90 100644
--- a/lotuswordpro/source/filter/xfilter/ixfcontent.hxx
+++ b/lotuswordpro/source/filter/xfilter/ixfcontent.hxx
@@ -79,7 +79,7 @@ public:
      * @descr   Set style to apply. You can get the style name by use XFStyleManager::AddStyle(pStyle),
      *          or just set a fixed style name.
      */
-    virtual void            SetStyleName(OUString style) = 0;
+    virtual void            SetStyleName(const OUString& style) = 0;
 
     /**
      * @descr   return the style name.
diff --git a/lotuswordpro/source/filter/xfilter/xfannotation.hxx b/lotuswordpro/source/filter/xfilter/xfannotation.hxx
index 47a1de82ff95..4136b7b55ff2 100644
--- a/lotuswordpro/source/filter/xfilter/xfannotation.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfannotation.hxx
@@ -67,9 +67,9 @@
 class XFAnnotation : public XFContentContainer
 {
 public:
-    void    SetDate(OUString date);
+    void SetDate(const OUString& date);
 
-    void SetAuthor(OUString author);
+    void SetAuthor(const OUString& author);
 
     virtual void    ToXml(IXFStream *pStrm);
 
@@ -78,12 +78,12 @@ private:
     OUString   m_strAuthor;
 };
 
-inline void XFAnnotation::SetDate(OUString date)
+inline void XFAnnotation::SetDate(const OUString& date)
 {
     m_strDate = date;
 }
 
-inline void XFAnnotation::SetAuthor(OUString author)
+inline void XFAnnotation::SetAuthor(const OUString& author)
 {
     m_strAuthor = author;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfarrowstyle.hxx b/lotuswordpro/source/filter/xfilter/xfarrowstyle.hxx
index 961c1a49abc5..b25a152edd01 100644
--- a/lotuswordpro/source/filter/xfilter/xfarrowstyle.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfarrowstyle.hxx
@@ -68,11 +68,11 @@ public:
     XFArrowStyle();
 
 public:
-    void    SetArrowName(OUString name);
+    void    SetArrowName(const OUString& name);
 
-    void    SetViewbox(OUString viewBox);
+    void    SetViewbox(const OUString& viewBox);
 
-    void    SetSVGPath(OUString path);
+    void    SetSVGPath(const OUString& path);
 
     virtual enumXFStyle GetStyleFamily();
 
@@ -88,17 +88,17 @@ inline XFArrowStyle::XFArrowStyle()
 {
 }
 
-inline void XFArrowStyle::SetArrowName(OUString name)
+inline void XFArrowStyle::SetArrowName(const OUString& name)
 {
     m_strName = name;
 }
 
-inline void XFArrowStyle::SetViewbox(OUString viewBox)
+inline void XFArrowStyle::SetViewbox(const OUString& viewBox)
 {
     m_strViewBox = viewBox;
 }
 
-inline void XFArrowStyle::SetSVGPath(OUString path)
+inline void XFArrowStyle::SetSVGPath(const OUString& path)
 {
     m_strPath = path;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfbgimage.hxx b/lotuswordpro/source/filter/xfilter/xfbgimage.hxx
index 2d5dbea093d8..e81f0441f34e 100644
--- a/lotuswordpro/source/filter/xfilter/xfbgimage.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfbgimage.hxx
@@ -75,7 +75,7 @@ public:
     /**
      * @descr   Use file link as image source.
      */
-    void    SetFileLink(OUString fileName);
+    void    SetFileLink(const OUString& fileName);
 
     /**
      * @descr   Use base64 stream as image source.
@@ -118,7 +118,7 @@ private:
     enumXFAlignType m_eVertAlign;
 };
 
-inline void XFBGImage::SetFileLink(OUString fileName)
+inline void XFBGImage::SetFileLink(const OUString& fileName)
 {
     m_strFileName = fileName;
     m_bUserFileLink = sal_True;
diff --git a/lotuswordpro/source/filter/xfilter/xfbookmark.hxx b/lotuswordpro/source/filter/xfilter/xfbookmark.hxx
index e9c03cd2c87f..d50c3d961d3c 100644
--- a/lotuswordpro/source/filter/xfilter/xfbookmark.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfbookmark.hxx
@@ -75,14 +75,14 @@ public:
     }
 
     OUString GetDivision(){return m_strDivision;}
-    void SetDivision(OUString sDivName){m_strDivision = sDivName;}
+    void SetDivision(const OUString& sDivName){m_strDivision = sDivName;}
     OUString GetName(){return m_strName;}
 
 public:
     /**
      * @descr   Set bookmark name, which will be used in bookmark-ref or formula.
      */
-    void    SetName(OUString name)
+    void    SetName(const OUString& name)
     {
         m_strName = name;
     }
diff --git a/lotuswordpro/source/filter/xfilter/xfcell.cxx b/lotuswordpro/source/filter/xfilter/xfcell.cxx
index 99c195b92cd6..0d7d9a2d1e77 100644
--- a/lotuswordpro/source/filter/xfilter/xfcell.cxx
+++ b/lotuswordpro/source/filter/xfilter/xfcell.cxx
@@ -165,7 +165,7 @@ void    XFCell::SetValue(double value)
     SetValue(OUString::number(value));
 }
 
-void    XFCell::SetValue(OUString value)
+void    XFCell::SetValue(const OUString& value)
 {
     m_eValueType = enumXFValueTypeFloat;
     m_strValue = value;
diff --git a/lotuswordpro/source/filter/xfilter/xfcell.hxx b/lotuswordpro/source/filter/xfilter/xfcell.hxx
index 9ecddf5f6924..960fdb9377d1 100644
--- a/lotuswordpro/source/filter/xfilter/xfcell.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfcell.hxx
@@ -108,12 +108,12 @@ public:
     /**
      * @descr   Set cell number value.
      */
-    void    SetValue(OUString value);
+    void    SetValue(const OUString& value);
 
     /**
      * @descr   Set cell formula.
      */
-    void    SetFormula(OUString formula);
+    void    SetFormula(const OUString& formula);
 
     /**
      * @descr   Set cell protected.
@@ -183,7 +183,7 @@ inline void XFCell::SetRepeated(sal_Int32 repeated)
     m_nRepeated = repeated;
 }
 
-inline void XFCell::SetFormula(OUString formula)
+inline void XFCell::SetFormula(const OUString& formula)
 {
     m_strFormula = formula;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfcellstyle.hxx b/lotuswordpro/source/filter/xfilter/xfcellstyle.hxx
index a7bebbfbad8a..7459c24d434a 100644
--- a/lotuswordpro/source/filter/xfilter/xfcellstyle.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfcellstyle.hxx
@@ -86,7 +86,7 @@ public:
     /**
      * @descr   Set cell data format style name.
      */
-    void    SetDataStyle(OUString style);
+    void    SetDataStyle(const OUString& style);
 
     /**
      * @descr:  Set the pading of the paragraph.This is the distance
@@ -154,7 +154,7 @@ inline void XFCellStyle::SetAlignType(enumXFAlignType hori, enumXFAlignType vert
     m_eVertAlign = vert;
 }
 
-inline void XFCellStyle::SetDataStyle(OUString style)
+inline void XFCellStyle::SetDataStyle(const OUString& style)
 {
     m_strDataStyle = style;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfchange.hxx b/lotuswordpro/source/filter/xfilter/xfchange.hxx
index 4786399322cd..67fcdc7d5d0e 100644
--- a/lotuswordpro/source/filter/xfilter/xfchange.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfchange.hxx
@@ -84,9 +84,9 @@ public:
     XFChangeRegion(){}
     ~XFChangeRegion(){}
     virtual void ToXml(IXFStream *pStrm);
-    void SetChangeID(OUString sID){m_sID=sID;}
+    void SetChangeID(const OUString& sID){m_sID=sID;}
     OUString GetChangeID(){return m_sID;}
-    void SetEditor(OUString sEditor){m_sEditor=sEditor;}
+    void SetEditor(const OUString& sEditor){m_sEditor=sEditor;}
 protected:
     OUString m_sID;
     OUString m_sEditor;
@@ -114,7 +114,7 @@ public:
     XFChange(){}
     ~XFChange(){}
     void ToXml(IXFStream *pStrm);
-    void SetChangeID(OUString sID){m_sID=sID;}
+    void SetChangeID(const OUString& sID){m_sID=sID;}
     OUString GetChangeID(){return m_sID;}
 private:
     OUString m_sID;
@@ -126,7 +126,7 @@ public:
     XFChangeStart(){}
     ~XFChangeStart(){}
     void ToXml(IXFStream *pStrm);
-    void SetChangeID(OUString sID){m_sID=sID;}
+    void SetChangeID(const OUString& sID){m_sID=sID;}
     OUString GetChangeID(){return m_sID;}
 private:
     OUString m_sID;
@@ -138,7 +138,7 @@ public:
     XFChangeEnd(){}
     ~XFChangeEnd(){}
     void ToXml(IXFStream *pStrm);
-    void SetChangeID(OUString sID){m_sID=sID;}
+    void SetChangeID(const OUString& sID){m_sID=sID;}
     OUString GetChangeID(){return m_sID;}
 private:
     OUString m_sID;
diff --git a/lotuswordpro/source/filter/xfilter/xfcontent.hxx b/lotuswordpro/source/filter/xfilter/xfcontent.hxx
index fc7b9ba5b008..599fc988db63 100644
--- a/lotuswordpro/source/filter/xfilter/xfcontent.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfcontent.hxx
@@ -78,7 +78,7 @@ public:
     /**
      * @short:  All content except XFTextContent can have a style.
      */
-    virtual void    SetStyleName(OUString style){m_strStyleName = style;}
+    virtual void    SetStyleName(const OUString& style){m_strStyleName = style;}
 
     /**
      * @short:  return the style name.
diff --git a/lotuswordpro/source/filter/xfilter/xfcrossref.hxx b/lotuswordpro/source/filter/xfilter/xfcrossref.hxx
index c1794f304c6b..607265a27901 100644
--- a/lotuswordpro/source/filter/xfilter/xfcrossref.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfcrossref.hxx
@@ -72,7 +72,7 @@ public:
     XFCrossRefStart();
     ~XFCrossRefStart();
     void SetRefType(sal_uInt8 nType);
-    void SetMarkName(OUString sName);
+    void SetMarkName(const OUString& sName);
     void ToXml(IXFStream *pStrm);
 private:
     enum{
@@ -90,7 +90,7 @@ inline void XFCrossRefStart::SetRefType(sal_uInt8 nType)
     m_nType = nType;
 }
 
-inline void XFCrossRefStart::SetMarkName(OUString sName)
+inline void XFCrossRefStart::SetMarkName(const OUString& sName)
 {
     m_strMarkName = sName;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfdatestyle.hxx b/lotuswordpro/source/filter/xfilter/xfdatestyle.hxx
index 026c129f5f48..0395679915f3 100644
--- a/lotuswordpro/source/filter/xfilter/xfdatestyle.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfdatestyle.hxx
@@ -91,9 +91,9 @@ public:
 
     void    SetFixed(sal_Bool fixed);
 
-    void    SetLanguage(OUString lang);
+    void    SetLanguage(const OUString& lang);
 
-    void    SetCountry(OUString country);
+    void    SetCountry(const OUString& country);
 
     void    SetAutoOrder(sal_Bool bAutoOrder);
 
@@ -119,7 +119,7 @@ public:
 
     void    AddAmPm(sal_Bool bAmPm);
 
-    void    AddText( OUString part );
+    void    AddText( const OUString& part );
 
     virtual enumXFStyle GetStyleFamily();
 
@@ -143,12 +143,12 @@ inline void XFDateStyle::SetFixed(sal_Bool fixed)
     m_bFixed = fixed;
 }
 
-inline void XFDateStyle::SetLanguage(OUString lang)
+inline void XFDateStyle::SetLanguage(const OUString& lang)
 {
     m_strLanguage = lang;
 }
 
-inline void XFDateStyle::SetCountry(OUString country)
+inline void XFDateStyle::SetCountry(const OUString& country)
 {
     m_strCountry = country;
 }
@@ -214,7 +214,7 @@ inline void XFDateStyle::AddQuarter(sal_Bool bLongFmt)
     m_aParts.AddStyle(part);
 }
 
-inline void XFDateStyle::AddText( OUString text )
+inline void XFDateStyle::AddText( const OUString& text )
 {
     XFDatePart  *part = new XFDatePart();
     part->SetPartType(enumXFDateText);
diff --git a/lotuswordpro/source/filter/xfilter/xfdocfield.cxx b/lotuswordpro/source/filter/xfilter/xfdocfield.cxx
index ff466589a79f..ac3e01211516 100644
--- a/lotuswordpro/source/filter/xfilter/xfdocfield.cxx
+++ b/lotuswordpro/source/filter/xfilter/xfdocfield.cxx
@@ -59,7 +59,7 @@
  ************************************************************************/
 #include "xfdocfield.hxx"
 
-void XFFileName::SetType(OUString sType)
+void XFFileName::SetType(const OUString& sType)
 {
     m_strType = sType;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfdocfield.hxx b/lotuswordpro/source/filter/xfilter/xfdocfield.hxx
index dfad88ecedac..b07f177bce0b 100644
--- a/lotuswordpro/source/filter/xfilter/xfdocfield.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfdocfield.hxx
@@ -66,7 +66,7 @@
 class XFFileName : public XFContent
 {
 public:
-    void SetType(OUString sType);
+    void SetType(const OUString& sType);
     virtual void    ToXml(IXFStream *pStrm);
 private:
     OUString m_strType;
diff --git a/lotuswordpro/source/filter/xfilter/xfdrawobj.hxx b/lotuswordpro/source/filter/xfilter/xfdrawobj.hxx
index 37ed84150439..d079ffac8e73 100644
--- a/lotuswordpro/source/filter/xfilter/xfdrawobj.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfdrawobj.hxx
@@ -86,7 +86,7 @@ public:
     /**
      * @descr   Set style name for drawing text.
      */
-    void    SetTextStyleName(OUString style);
+    void    SetTextStyleName(const OUString& style);
 
     /**
      * @descr   Set drawing object rotate.
@@ -125,7 +125,7 @@ protected:
     unsigned int    m_nFlag;
 };
 
-inline void XFDrawObject::SetTextStyleName(OUString style)
+inline void XFDrawObject::SetTextStyleName(const OUString& style)
 {
     m_strTextStyle = style;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfdrawpath.hxx b/lotuswordpro/source/filter/xfilter/xfdrawpath.hxx
index d879ddfbaaab..d3607e20820b 100644
--- a/lotuswordpro/source/filter/xfilter/xfdrawpath.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfdrawpath.hxx
@@ -76,7 +76,7 @@ public:
     /**
      * @descr   Set svg path command,L for line,M for move,...
      */
-    void    SetCommand(OUString cmd);
+    void    SetCommand(const OUString& cmd);
 
     /**
      * @descr   Set svg path point.
@@ -127,7 +127,7 @@ private:
     std::vector<XFSvgPathEntry> m_aPaths;
 };
 
-inline void XFSvgPathEntry::SetCommand(OUString cmd)
+inline void XFSvgPathEntry::SetCommand(const OUString& cmd)
 {
     m_strCommand = cmd;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfdrawstyle.hxx b/lotuswordpro/source/filter/xfilter/xfdrawstyle.hxx
index a14a22f95b19..8e0870ab8a39 100644
--- a/lotuswordpro/source/filter/xfilter/xfdrawstyle.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfdrawstyle.hxx
@@ -111,12 +111,12 @@ public:
     /**
      * @descr   Set drawing object arrow start style,only lines can have arrows.
      */
-    void    SetArrowStart(OUString start, double size=0.3, sal_Bool center = sal_False);
+    void    SetArrowStart(const OUString& start, double size=0.3, sal_Bool center = sal_False);
 
     /**
      * @descr   Set drawing object arrow end style,only lines can have arrows.
      */
-    void    SetArrowEnd(OUString end, double size=0.3, sal_Bool center = sal_False);
+    void    SetArrowEnd(const OUString& end, double size=0.3, sal_Bool center = sal_False);
 
     void SetFontWorkStyle(sal_Int8 nForm, enumXFFWStyle eStyle, enumXFFWAdjust eAdjust);
 
@@ -144,7 +144,7 @@ inline void XFDrawStyle::SetWrapType(enumXFWrap wrap, sal_Int32 nParagraphs)
     m_nWrapLines = nParagraphs;
 }
 
-inline void XFDrawStyle::SetArrowStart(OUString start, double size, sal_Bool center)
+inline void XFDrawStyle::SetArrowStart(const OUString& start, double size, sal_Bool center)
 {
     assert(size>0);
     m_strArrowStart = start;
@@ -152,7 +152,7 @@ inline void XFDrawStyle::SetArrowStart(OUString start, double size, sal_Bool cen
     m_bArrowStartCenter = center;
 }
 
-inline void XFDrawStyle::SetArrowEnd(OUString end, double size, sal_Bool center)
+inline void XFDrawStyle::SetArrowEnd(const OUString& end, double size, sal_Bool center)
 {
     assert(size>0);
     m_strArrowEnd = end;
diff --git a/lotuswordpro/source/filter/xfilter/xffont.hxx b/lotuswordpro/source/filter/xfilter/xffont.hxx
index 17eccc073f5c..504f952d897c 100644
--- a/lotuswordpro/source/filter/xfilter/xffont.hxx
+++ b/lotuswordpro/source/filter/xfilter/xffont.hxx
@@ -120,17 +120,17 @@ public:
     /**
      * @descr   Set font name.
      */
-    void    SetFontName(OUString name);
+    void    SetFontName(const OUString& name);
 
     /**
      * @descr   Set font name for asia locale.
      */
-    void    SetFontNameAsia(OUString name);
+    void    SetFontNameAsia(const OUString& name);
 
     /**
      * @descr   Set font name for BIDI locale.
      */
-    void    SetFontNameComplex(OUString name);
+    void    SetFontNameComplex(const OUString& name);
 
     /**
      * @descr   Set font size.
@@ -297,7 +297,7 @@ private:
     sal_Bool    m_bTransparent;
 };
 
-inline void XFFont::SetFontName(OUString name)
+inline void XFFont::SetFontName(const OUString& name)
 {
     m_strFontName = name;
     m_nFlag |= XFFONT_FLAG_NAME;
@@ -306,13 +306,13 @@ inline void XFFont::SetFontName(OUString name)
     SetFontNameComplex(name);
 }
 
-inline void XFFont::SetFontNameAsia(OUString name)
+inline void XFFont::SetFontNameAsia(const OUString& name)
 {
     m_strFontNameAsia = name;
     m_nFlag |= XFFONT_FLAG_NAME_ASIA;
 }
 
-inline void XFFont::SetFontNameComplex(OUString name)
+inline void XFFont::SetFontNameComplex(const OUString& name)
 {
     m_strFontNameComplex = name;
     m_nFlag |= XFFONT_FLAG_NAME_COMPLEX;
diff --git a/lotuswordpro/source/filter/xfilter/xffontdecl.cxx b/lotuswordpro/source/filter/xfilter/xffontdecl.cxx
index 1e615f1b1b9e..c2c64cab501e 100644
--- a/lotuswordpro/source/filter/xfilter/xffontdecl.cxx
+++ b/lotuswordpro/source/filter/xfilter/xffontdecl.cxx
@@ -59,7 +59,7 @@
  ************************************************************************/
 #include "xffontdecl.hxx"
 
-XFFontDecl::XFFontDecl(OUString name, OUString family, sal_Bool fixed)
+XFFontDecl::XFFontDecl(const OUString& name, const OUString& family, sal_Bool fixed)
 {
     m_strFontName = name;
     m_strFontFamily = family;
diff --git a/lotuswordpro/source/filter/xfilter/xffontdecl.hxx b/lotuswordpro/source/filter/xfilter/xffontdecl.hxx
index 80ebbda9a5df..8b5aaa23a6e2 100644
--- a/lotuswordpro/source/filter/xfilter/xffontdecl.hxx
+++ b/lotuswordpro/source/filter/xfilter/xffontdecl.hxx
@@ -71,7 +71,7 @@
 class   XFFontDecl
 {
 public:
-    XFFontDecl(OUString name, OUString family, sal_Bool fixed = false);
+    XFFontDecl(const OUString& name, const OUString& family, sal_Bool fixed = false);
 
 public:
     /**
diff --git a/lotuswordpro/source/filter/xfilter/xffootnoteconfig.hxx b/lotuswordpro/source/filter/xfilter/xffootnoteconfig.hxx
index 8585c5eb0e1f..cd39314edcb0 100644
--- a/lotuswordpro/source/filter/xfilter/xffootnoteconfig.hxx
+++ b/lotuswordpro/source/filter/xfilter/xffootnoteconfig.hxx
@@ -68,15 +68,15 @@ public:
     XFFootnoteConfig();
 
 public:
-    void    SetBodyStyle(OUString style);
+    void    SetBodyStyle(const OUString& style);
 
-    void    SetCitationStyle(OUString style);
+    void    SetCitationStyle(const OUString& style);
 
-    void    SetDefaultStyle(OUString style);
+    void    SetDefaultStyle(const OUString& style);
 
-    void    SetMasterPage(OUString masterPage);
+    void    SetMasterPage(const OUString& masterPage);
 
-    void    SetNumberFormat(OUString numberFormat);
+    void    SetNumberFormat(const OUString& numberFormat);
 
     void    SetStartValue(sal_Int32 value=0);
 
@@ -86,13 +86,13 @@ public:
 
     void    SetInsertInPage(sal_Bool page=sal_True);
 
-    void    SetNumPrefix(OUString numprefix);
+    void    SetNumPrefix(const OUString& numprefix);
 
-    void    SetNumSuffix(OUString numsuffix);
+    void    SetNumSuffix(const OUString& numsuffix);
 
-    void    SetMessageOn(OUString message);
+    void    SetMessageOn(const OUString& message);
 
-    void    SetMessageFrom(OUString message);
+    void    SetMessageFrom(const OUString& message);
 
     virtual void    ToXml(IXFStream *pStrm);
 
@@ -125,27 +125,27 @@ inline XFFootnoteConfig::XFFootnoteConfig()
     m_bIsFootnote = sal_True;
 }
 
-inline void XFFootnoteConfig::SetBodyStyle(OUString style)
+inline void XFFootnoteConfig::SetBodyStyle(const OUString& style)
 {
     m_strBodyStyle = style;
 }
 
-inline void XFFootnoteConfig::SetCitationStyle(OUString style)
+inline void XFFootnoteConfig::SetCitationStyle(const OUString& style)
 {
     m_strCitationStyle = style;
 }
 
-inline void XFFootnoteConfig::SetDefaultStyle(OUString style)
+inline void XFFootnoteConfig::SetDefaultStyle(const OUString& style)
 {
     m_strDefaultStyle = style;
 }
 
-inline void XFFootnoteConfig::SetMasterPage(OUString masterPage)
+inline void XFFootnoteConfig::SetMasterPage(const OUString& masterPage)
 {
     m_strMasterPage = masterPage;
 }
 
-inline void XFFootnoteConfig::SetNumberFormat(OUString numberFormat)
+inline void XFFootnoteConfig::SetNumberFormat(const OUString& numberFormat)
 {
     m_strNumFmt = numberFormat;
 }
@@ -172,22 +172,22 @@ inline void XFFootnoteConfig::SetInsertInPage(sal_Bool page)
     m_bInsertInPage = page;
 }
 
-inline void XFFootnoteConfig::SetNumPrefix(OUString numprefix)
+inline void XFFootnoteConfig::SetNumPrefix(const OUString& numprefix)
 {
     m_strNumPrefix = numprefix;
 }
 
-inline void XFFootnoteConfig::SetNumSuffix(OUString numsuffix)
+inline void XFFootnoteConfig::SetNumSuffix(const OUString& numsuffix)
 {
     m_strNumSuffix = numsuffix;
 }
 
-inline void XFFootnoteConfig::SetMessageOn(OUString message)
+inline void XFFootnoteConfig::SetMessageOn(const OUString& message)
 {
     m_strMessageOn = message;
 }
 
-inline void XFFootnoteConfig::SetMessageFrom(OUString message)
+inline void XFFootnoteConfig::SetMessageFrom(const OUString& message)
 {
     m_strMessageFrom = message;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfframe.hxx b/lotuswordpro/source/filter/xfilter/xfframe.hxx
index 9670a1b6bce5..9d31cb99a38a 100644
--- a/lotuswordpro/source/filter/xfilter/xfframe.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfframe.hxx
@@ -105,7 +105,7 @@ public:
     /**
      * @descr   Set frame name.
      */
-    void    SetName(OUString name);
+    void    SetName(const OUString& name);
 
     /**
      * @descr   Set z-index of the frame.
@@ -154,7 +154,7 @@ public:
     /**
      * @descr:  Link the text content of the two frame.
      */
-    void    SetNextLink(OUString next);
+    void    SetNextLink(const OUString& next);
 
     /**
      * @descr   Get the frame type. image, drawing or text-box.
@@ -197,7 +197,7 @@ inline void XFFrame::SetAnchorType(enumXFAnchor anchor)
     m_eAnchor = anchor;
 }
 
-inline void XFFrame::SetName(OUString name)
+inline void XFFrame::SetName(const OUString& name)
 {
     m_strName = name;
 }
@@ -250,7 +250,7 @@ inline void XFFrame::SetPosition(const XFRect& rect)
     m_aRect = rect;
 }
 
-inline void XFFrame::SetNextLink(OUString next)
+inline void XFFrame::SetNextLink(const OUString& next)
 {
     m_strNextLink = next;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfhyperlink.hxx b/lotuswordpro/source/filter/xfilter/xfhyperlink.hxx
index 7d8b2d726fbf..8daa73158c3f 100644
--- a/lotuswordpro/source/filter/xfilter/xfhyperlink.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfhyperlink.hxx
@@ -66,13 +66,13 @@ public:
     XFHyperlink();
 
 public:
-    void    SetHRef(OUString href);
+    void    SetHRef(const OUString& href);
 
-    void    SetText(OUString text);
+    void    SetText(const OUString& text);
 
-    void    SetName(OUString name);
+    void    SetName(const OUString& name);
 
-    void    SetTargetFrame(OUString frame="_self");
+    void    SetTargetFrame(const OUString& frame="_self");
 
     virtual void    ToXml(IXFStream *pStrm);
 
@@ -88,22 +88,22 @@ inline XFHyperlink::XFHyperlink()
     m_strFrame = "_self";
 }
 
-inline void XFHyperlink::SetHRef(OUString href)
+inline void XFHyperlink::SetHRef(const OUString& href)
 {
     m_strHRef = href;
 }
 
-inline void XFHyperlink::SetName(OUString name)
+inline void XFHyperlink::SetName(const OUString& name)
 {
     m_strName = name;
 }
 
-inline void XFHyperlink::SetTargetFrame(OUString frame)
+inline void XFHyperlink::SetTargetFrame(const OUString& frame)
 {
     m_strFrame = frame;
 }
 
-inline void XFHyperlink::SetText(OUString text)
+inline void XFHyperlink::SetText(const OUString& text)
 {
     m_strText = text;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfimage.cxx b/lotuswordpro/source/filter/xfilter/xfimage.cxx
index 3c3fd5ebc185..d2300bee56d4 100644
--- a/lotuswordpro/source/filter/xfilter/xfimage.cxx
+++ b/lotuswordpro/source/filter/xfilter/xfimage.cxx
@@ -66,7 +66,7 @@ XFImage::XFImage() : m_bUseLink(sal_False)
     m_strName = XFGlobal::GenImageName();
 }
 
-void XFImage::SetFileURL(OUString url)
+void XFImage::SetFileURL(const OUString& url)
 {
     m_strImageFile = url;
     m_bUseLink  = sal_True;
diff --git a/lotuswordpro/source/filter/xfilter/xfimage.hxx b/lotuswordpro/source/filter/xfilter/xfimage.hxx
index 1fca8799c490..394b0ce0e159 100644
--- a/lotuswordpro/source/filter/xfilter/xfimage.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfimage.hxx
@@ -76,7 +76,7 @@ public:
     /**
      * @descr   Use file link source.a
      */
-    void    SetFileURL(OUString url);
+    void    SetFileURL(const OUString& url);
 
     /**
      * @descr   Use base64 stream.
diff --git a/lotuswordpro/source/filter/xfilter/xfindex.cxx b/lotuswordpro/source/filter/xfilter/xfindex.cxx
index d8cd1070701d..a4a369986bf0 100644
--- a/lotuswordpro/source/filter/xfilter/xfindex.cxx
+++ b/lotuswordpro/source/filter/xfilter/xfindex.cxx
@@ -92,7 +92,7 @@ XFIndex::~XFIndex()
     }
 }
 
-void    XFIndex::AddTemplate(OUString level, OUString style, XFIndexTemplate* templ)
+void    XFIndex::AddTemplate(const OUString& level, const OUString& style, XFIndexTemplate* templ)
 {
     templ->SetLevel( level );
     if(m_eType != enumXFIndexTOC) // TOC's styles are applied to template entries separately
@@ -112,7 +112,7 @@ void    XFIndex::SetSeparator(sal_Bool sep)
     m_bSeparator = sep;
 }
 
-void XFIndex::AddTocSource(sal_uInt16 nLevel, const OUString sStyleName)
+void XFIndex::AddTocSource(sal_uInt16 nLevel, const OUString& sStyleName)
 {
     if (nLevel > MAX_TOC_LEVEL)
     {
diff --git a/lotuswordpro/source/filter/xfilter/xfindex.hxx b/lotuswordpro/source/filter/xfilter/xfindex.hxx
index 0ccd917abc61..25cc538df5d8 100644
--- a/lotuswordpro/source/filter/xfilter/xfindex.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfindex.hxx
@@ -85,25 +85,25 @@ public:
     /**
      * @descr   Set template level.
      */
-    void    SetLevel(OUString level);
+    void    SetLevel(const OUString& level);
     /**
      * @descr   Set style.
      */
-    void    SetStyleName(OUString style);
+    void    SetStyleName(const OUString& style);
     /**
      * @descr   Add a entry in the template.
      */
-    void    AddEntry(enumXFIndexTemplate entry, OUString styleName = "");
+    void    AddEntry(enumXFIndexTemplate entry, const OUString& styleName = "");
 
     /**
      * @descr   Add a tab entry in the template.
      */
-    void    AddTabEntry(enumXFTab type, double len, sal_Unicode leader = '*', sal_Unicode delimiter='.', OUString styleName = "");
+    void    AddTabEntry(enumXFTab type, double len, sal_Unicode leader = '*', sal_Unicode delimiter='.', const OUString& styleName = "");
 
     /**
      * @descr   Add a entry in the template.
      */
-    void    AddTextEntry(OUString sSpan, OUString styleName = "");
+    void    AddTextEntry(const OUString& sSpan, const OUString& styleName = "");
 
     /**
      * @descr   clear all index template parts.
@@ -115,7 +115,7 @@ private:
     /**
      * @descr   Helper function.
      */
-    void    SetTagName(OUString tag);
+    void    SetTagName(const OUString& tag);
 
     friend class XFIndex;
 private:
@@ -153,7 +153,7 @@ public:
     /**
      * @descr   Add index templaet entry.
      */
-    void    AddTemplate(OUString level, OUString style, XFIndexTemplate* templ);
+    void    AddTemplate(const OUString& level, const OUString& style, XFIndexTemplate* templ);
 
     /**
      * @descr   Set if protected index to prevent handly-revise.
@@ -167,7 +167,7 @@ public:
 
     virtual void ToXml(IXFStream *pStrm);
 
-    void AddTocSource(sal_uInt16 nLevel, const OUString sStyleName);
+    void AddTocSource(sal_uInt16 nLevel, const OUString& sStyleName);
 
 private:
     enumXFIndex     m_eType;
@@ -192,27 +192,27 @@ inline XFIndexTemplate::XFIndexTemplate()
     m_nLevel = OUString::number(0);
 }
 
-inline void XFIndexTemplate::SetLevel(OUString level)
+inline void XFIndexTemplate::SetLevel(const OUString& level)
 {
     m_nLevel = level;
 }
-inline void XFIndexTemplate::SetStyleName(OUString style)
+inline void XFIndexTemplate::SetStyleName(const OUString& style)
 {
     m_strStyle = style;
 }
 
-inline void XFIndexTemplate::SetTagName(OUString tag)
+inline void XFIndexTemplate::SetTagName(const OUString& tag)
 {
     m_strTagName = tag;
 }
 
-inline void XFIndexTemplate::AddEntry(enumXFIndexTemplate entry, OUString styleName)
+inline void XFIndexTemplate::AddEntry(enumXFIndexTemplate entry, const OUString& styleName)
 {
     std::pair<enumXFIndexTemplate, OUString> pair(entry, styleName);
     m_aEntries.push_back(pair);
 }
 
-inline void XFIndexTemplate::AddTabEntry(enumXFTab type, double len, sal_Unicode leader, sal_Unicode delimiter, OUString styleName)
+inline void XFIndexTemplate::AddTabEntry(enumXFTab type, double len, sal_Unicode leader, sal_Unicode delimiter, const OUString& styleName)
 {
     m_eTabType = type;
     m_strTabLeader = OUString( leader );
@@ -222,7 +222,7 @@ inline void XFIndexTemplate::AddTabEntry(enumXFTab type, double len, sal_Unicode
     AddEntry(enumXFIndexTemplateTab, styleName);
 }
 
-inline void XFIndexTemplate::AddTextEntry(OUString sText, OUString styleName)
+inline void XFIndexTemplate::AddTextEntry(const OUString& sText, const OUString& styleName)
 {
     sal_uInt16 nLen = m_aEntries.size();
     AddEntry(enumXFIndexTemplateSpan, styleName);
diff --git a/lotuswordpro/source/filter/xfilter/xfinputlist.hxx b/lotuswordpro/source/filter/xfilter/xfinputlist.hxx
index a49bbfa46e74..965226a52762 100644
--- a/lotuswordpro/source/filter/xfilter/xfinputlist.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfinputlist.hxx
@@ -69,7 +69,7 @@
 class XFInputList : public XFContent
 {
 public:
-    void SetName(OUString sName);
+    void SetName(const OUString& sName);
     void SetLabels(std::vector<OUString> list);
     virtual void    ToXml(IXFStream *pStrm);
 private:
@@ -77,7 +77,7 @@ private:
     std::vector<OUString> m_list;
 };
 
-inline void XFInputList::SetName(OUString sName)
+inline void XFInputList::SetName(const OUString& sName)
 {
     m_strName = sName;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xflinenumberconfig.hxx b/lotuswordpro/source/filter/xfilter/xflinenumberconfig.hxx
index 9cee394ecaf6..f637af14e74d 100644
--- a/lotuswordpro/source/filter/xfilter/xflinenumberconfig.hxx
+++ b/lotuswordpro/source/filter/xfilter/xflinenumberconfig.hxx
@@ -74,11 +74,11 @@ public:
 
     void    SetNumberIncrement(sal_Int32 increment);
 
-    void    SetSeparator(sal_Int32 increment, OUString separator);
+    void    SetSeparator(sal_Int32 increment, const OUString& separator);
 
-    void    SetNumberFormat(OUString numfmt = "1");
+    void    SetNumberFormat(const OUString& numfmt = "1");
 
-    void    SetTextStyle(OUString style);
+    void    SetTextStyle(const OUString& style);
 
     void    SetRestartOnPage(sal_Bool restart = sal_True);
 
@@ -127,18 +127,18 @@ inline void XFLineNumberConfig::SetNumberIncrement(sal_Int32 increment)
     m_nIncrement = increment;
 }
 
-inline void XFLineNumberConfig::SetSeparator(sal_Int32 increment, OUString separator)
+inline void XFLineNumberConfig::SetSeparator(sal_Int32 increment, const OUString& separator)
 {
     m_nSepIncrement = increment;
     m_strSeparator = separator;
 }
 
-inline void XFLineNumberConfig::SetNumberFormat(OUString numfmt)
+inline void XFLineNumberConfig::SetNumberFormat(const OUString& numfmt)
 {
     m_strNumFmt = numfmt;
 }
 
-inline void XFLineNumberConfig::SetTextStyle(OUString style)
+inline void XFLineNumberConfig::SetTextStyle(const OUString& style)
 {
     m_strTextStyle = style;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfliststyle.cxx b/lotuswordpro/source/filter/xfilter/xfliststyle.cxx
index 23f98fc4a3a2..7f7050aff846 100644
--- a/lotuswordpro/source/filter/xfilter/xfliststyle.cxx
+++ b/lotuswordpro/source/filter/xfilter/xfliststyle.cxx
@@ -270,9 +270,9 @@ void    XFListStyle::SetListPosition(sal_Int32 level,
 
 void    XFListStyle::SetListBullet(sal_Int32 level,
                                    UChar32 bullet,
-                                   OUString fontname,
-                                   OUString prefix,
-                                   OUString suffix
+                                   const OUString& fontname,
+                                   const OUString& prefix,
+                                   const OUString& suffix
                                    )
 {
     assert(level>=1&&level<=10);
diff --git a/lotuswordpro/source/filter/xfilter/xfliststyle.hxx b/lotuswordpro/source/filter/xfilter/xfliststyle.hxx
index bdca59b1772b..dd866c47a0ed 100644
--- a/lotuswordpro/source/filter/xfilter/xfliststyle.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfliststyle.hxx
@@ -150,15 +150,15 @@ public:
     {
         m_chBullet = ch;
     }
-    void    SetPrefix(OUString prefix)
+    void    SetPrefix(const OUString& prefix)
     {
         m_aNumFmt.SetPrefix(prefix);
     }
-    void    SetSuffix(OUString suffix)
+    void    SetSuffix(const OUString& suffix)
     {
         m_aNumFmt.SetSuffix(suffix);
     }
-    void    SetFontName(OUString name)
+    void    SetFontName(const OUString& name)
     {
         m_strFontName = name;
     }
@@ -204,9 +204,9 @@ public:
 
     void    SetListBullet(sal_Int32 level,
                             UChar32 bullet_char,
-                            OUString fontname = "",
-                            OUString prefix = "",
-                            OUString suffix = ""
+                            const OUString& fontname = "",
+                            const OUString& prefix = "",
+                            const OUString& suffix = ""
                             );
 
     void    SetListNumber( sal_Int32 level, XFNumFmt& numFmt,   sal_Int16 nStartValue = 1 );
diff --git a/lotuswordpro/source/filter/xfilter/xfmasterpage.cxx b/lotuswordpro/source/filter/xfilter/xfmasterpage.cxx
index 785f3136c449..2efc78decb80 100644
--- a/lotuswordpro/source/filter/xfilter/xfmasterpage.cxx
+++ b/lotuswordpro/source/filter/xfilter/xfmasterpage.cxx
@@ -96,7 +96,7 @@ enumXFStyle XFMasterPage::GetStyleFamily()
     return enumXFStyleMasterPage;
 }
 
-void    XFMasterPage::SetPageMaster(OUString pm)
+void    XFMasterPage::SetPageMaster(const OUString& pm)
 {
     m_strPageMaster = pm;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfmasterpage.hxx b/lotuswordpro/source/filter/xfilter/xfmasterpage.hxx
index f61b67cf0a56..b6aacf42e3a3 100644
--- a/lotuswordpro/source/filter/xfilter/xfmasterpage.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfmasterpage.hxx
@@ -73,7 +73,7 @@ public:
     virtual ~XFMasterPage();
 
 public:
-    void    SetPageMaster(OUString pm);
+    void    SetPageMaster(const OUString& pm);
 
     void    SetHeader(XFHeader *pHeader);
 
diff --git a/lotuswordpro/source/filter/xfilter/xfnumberstyle.hxx b/lotuswordpro/source/filter/xfilter/xfnumberstyle.hxx
index 749a42257243..df07de6f0247 100644
--- a/lotuswordpro/source/filter/xfilter/xfnumberstyle.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfnumberstyle.hxx
@@ -82,15 +82,15 @@ public:
     void    SetColor(const XFColor& color);
     XFColor GetColor(){return m_aColor;}
 
-    void    SetPrefix(OUString prefix);
+    void    SetPrefix(const OUString& prefix);
 
-    void    SetSurfix(OUString surfix);
+    void    SetSurfix(const OUString& surfix);
 
-    void    SetNegativeStyle(OUString prefix, OUString suffix, const XFColor& color=XFColor(255,0,0));
+    void    SetNegativeStyle(const OUString& prefix, const OUString& suffix, const XFColor& color=XFColor(255,0,0));
 
     void    SetNumberType(enumXFNumberType type);
 
-    void    SetCurrencySymbol(sal_Bool post, OUString symbol, sal_Bool bShowSpace=sal_False);
+    void    SetCurrencySymbol(sal_Bool post, const OUString& symbol, sal_Bool bShowSpace=sal_False);
 
     virtual enumXFStyle GetStyleFamily();
 
@@ -142,7 +142,7 @@ inline void XFNumberStyle::SetMinExponent(sal_Int32 exponent)
     m_nMinExponent = exponent;
 }
 
-inline void XFNumberStyle::SetNegativeStyle(OUString prefix, OUString suffix, const XFColor& color)
+inline void XFNumberStyle::SetNegativeStyle(const OUString& prefix, const OUString& suffix, const XFColor& color)
 {
     m_bRedIfNegative = sal_True;
     m_aNegativeColor = color;
@@ -165,17 +165,17 @@ inline void XFNumberStyle::SetNumberType(enumXFNumberType type)
     m_eType = type;
 }
 
-inline void XFNumberStyle::SetPrefix(OUString prefix)
+inline void XFNumberStyle::SetPrefix(const OUString& prefix)
 {
     m_strPrefix = prefix;
 }
 
-inline void XFNumberStyle::SetSurfix(OUString surfix)
+inline void XFNumberStyle::SetSurfix(const OUString& surfix)
 {
     m_strSuffix = surfix;
 }
 
-inline void XFNumberStyle::SetCurrencySymbol(sal_Bool post, OUString symbol, sal_Bool bShowSpace)
+inline void XFNumberStyle::SetCurrencySymbol(sal_Bool post, const OUString& symbol, sal_Bool bShowSpace)
 {
     m_bCurrencySymbolPost = post;
     m_strCurrencySymbol = symbol;
diff --git a/lotuswordpro/source/filter/xfilter/xfnumfmt.hxx b/lotuswordpro/source/filter/xfilter/xfnumfmt.hxx
index 3122ae1607d5..de9584d89f3a 100644
--- a/lotuswordpro/source/filter/xfilter/xfnumfmt.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfnumfmt.hxx
@@ -82,7 +82,7 @@ public:
                     (2 item2
      * @param:      prefix
      *********************************************************************/
-    void    SetPrefix(OUString prefix)
+    void    SetPrefix(const OUString& prefix)
     {
         m_strPrefix = prefix;
     }
@@ -93,7 +93,7 @@ public:
                     2) item2
      * @param:      prefix
      *********************************************************************/
-    void    SetSuffix(OUString suffix)
+    void    SetSuffix(const OUString& suffix)
     {
         m_strSuffix = suffix;
     }
@@ -117,7 +117,7 @@ public:
                         '','','','','',
      * @param:      prefix
      *********************************************************************/
-    void    SetFormat(OUString format)
+    void    SetFormat(const OUString& format)
     {
         m_strFormat = format;
     }
diff --git a/lotuswordpro/source/filter/xfilter/xfofficemeta.cxx b/lotuswordpro/source/filter/xfilter/xfofficemeta.cxx
index 54e80963403b..fbeb52e4c104 100644
--- a/lotuswordpro/source/filter/xfilter/xfofficemeta.cxx
+++ b/lotuswordpro/source/filter/xfilter/xfofficemeta.cxx
@@ -61,27 +61,27 @@
 #include "ixfstream.hxx"
 #include "ixfattrlist.hxx"
 
-void    XFOfficeMeta::SetCreator(OUString creator)
+void    XFOfficeMeta::SetCreator(const OUString& creator)
 {
     m_strCreator = creator;
 }
-void    XFOfficeMeta::SetDescription(OUString dsr)
+void    XFOfficeMeta::SetDescription(const OUString& dsr)
 {
     m_strDsr = dsr;
 }
-void XFOfficeMeta::SetKeywords(OUString keywords)
+void XFOfficeMeta::SetKeywords(const OUString& keywords)
 {
     m_strKeywords = keywords;
 }
-void XFOfficeMeta::SetCreationTime(OUString crtime)
+void XFOfficeMeta::SetCreationTime(const OUString& crtime)
 {
     m_strCrtime = crtime;
 }
-void XFOfficeMeta::SetLastTime(OUString lstime)
+void XFOfficeMeta::SetLastTime(const OUString& lstime)
 {
     m_strLstime = lstime;
 }
-void XFOfficeMeta::SetEditTime(OUString edtime)
+void XFOfficeMeta::SetEditTime(const OUString& edtime)
 {
     m_strEdtime = edtime;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfofficemeta.hxx b/lotuswordpro/source/filter/xfilter/xfofficemeta.hxx
index 118fea5642eb..54535fdafb5b 100644
--- a/lotuswordpro/source/filter/xfilter/xfofficemeta.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfofficemeta.hxx
@@ -69,12 +69,12 @@ public:
     XFOfficeMeta(){}
     virtual ~XFOfficeMeta(){}
 
-    void    SetCreator(OUString creator);
-    void    SetDescription(OUString dsr);
-    void SetKeywords(OUString keywords);
-    void SetCreationTime(OUString crtime);
-    void SetLastTime(OUString lstime);
-    void SetEditTime(OUString edtime);
+    void SetCreator(const OUString& creator);
+    void SetDescription(const OUString& dsr);
+    void SetKeywords(const OUString& keywords);
+    void SetCreationTime(const OUString& crtime);
+    void SetLastTime(const OUString& lstime);
+    void SetEditTime(const OUString& edtime);
 
     virtual void ToXml(IXFStream *pStream);
 private:
diff --git a/lotuswordpro/source/filter/xfilter/xfpagenumber.hxx b/lotuswordpro/source/filter/xfilter/xfpagenumber.hxx
index 8517f0c15f8a..f398edec422c 100644
--- a/lotuswordpro/source/filter/xfilter/xfpagenumber.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfpagenumber.hxx
@@ -71,7 +71,7 @@
 class XFPageNumber : public XFContent
 {
 public:
-    void    SetNumFmt(OUString fmt);
+    void    SetNumFmt(const OUString& fmt);
 
     virtual void    ToXml(IXFStream *pStrm);
 
@@ -79,7 +79,7 @@ private:
     XFNumFmt    m_aNumFmt;
 };
 
-inline void XFPageNumber::SetNumFmt(OUString fmt)
+inline void XFPageNumber::SetNumFmt(const OUString& fmt)
 {
     m_aNumFmt.SetFormat(fmt);
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfparastyle.hxx b/lotuswordpro/source/filter/xfilter/xfparastyle.hxx
index 5cd91421c043..f24b7563cee9 100644
--- a/lotuswordpro/source/filter/xfilter/xfparastyle.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfparastyle.hxx
@@ -101,7 +101,7 @@ public:
      * @descr   Set layout for the paragraph.When such property was setted, this paragraph will
      *          start at an new page.
      */
-    void    SetMasterPage(OUString master);
+    void    SetMasterPage(const OUString& master);
 
     OUString GetMasterPage();
 
@@ -267,7 +267,7 @@ protected:
     sal_Bool m_bNumberRight;
 };
 
-inline void XFParaStyle::SetMasterPage(OUString master)
+inline void XFParaStyle::SetMasterPage(const OUString& master)
 {
     m_strMasterPage = master;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfplaceholder.hxx b/lotuswordpro/source/filter/xfilter/xfplaceholder.hxx
index 6d4e1dbb0ffb..ec761d406fa7 100644
--- a/lotuswordpro/source/filter/xfilter/xfplaceholder.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfplaceholder.hxx
@@ -71,9 +71,9 @@ class XFHolderStart : public XFContent
 public:
     XFHolderStart();
     ~XFHolderStart();
-    void SetType(OUString sType);
-    void SetDesc(OUString sDesc);
-    void SetPrompt(OUString sText);
+    void SetType(const OUString& sType);
+    void SetDesc(const OUString& sDesc);
+    void SetPrompt(const OUString& sText);
     void ToXml(IXFStream *pStrm);
 private:
     OUString m_strType;
@@ -89,17 +89,17 @@ XFHolderStart::~XFHolderStart()
 {
 }
 
-inline void XFHolderStart::SetType(OUString sType)
+inline void XFHolderStart::SetType(const OUString& sType)
 {
     m_strType = sType;
 }
 
-inline void XFHolderStart::SetDesc(OUString sDesc)
+inline void XFHolderStart::SetDesc(const OUString& sDesc)
 {
     m_strDesc = sDesc;
 }
 
-inline void XFHolderStart::SetPrompt(OUString sText)
+inline void XFHolderStart::SetPrompt(const OUString& sText)
 {
     m_strText = sText;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfruby.hxx b/lotuswordpro/source/filter/xfilter/xfruby.hxx
index 5521ba4de56e..0668631f76bb 100644
--- a/lotuswordpro/source/filter/xfilter/xfruby.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfruby.hxx
@@ -71,7 +71,7 @@ public:
 class XFRubyEnd : public XFContent
 {
 public:
-    void SetText(OUString sText);
+    void SetText(const OUString& sText);
     virtual void    ToXml(IXFStream *pStrm);
 private:
     OUString m_strText;
@@ -88,7 +88,7 @@ void XFRubyStart::ToXml(IXFStream *pStrm)
     pStrm->StartElement( "text:ruby-base" );
 }
 
-void XFRubyEnd::SetText(OUString sText)
+void XFRubyEnd::SetText(const OUString& sText)
 {
     m_strText = sText;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xfstylecont.cxx b/lotuswordpro/source/filter/xfilter/xfstylecont.cxx
index 850dba98bf70..1266538ac12a 100644
--- a/lotuswordpro/source/filter/xfilter/xfstylecont.cxx
+++ b/lotuswordpro/source/filter/xfilter/xfstylecont.cxx
@@ -165,7 +165,7 @@ IXFStyle*   XFStyleContainer::FindSameStyle(IXFStyle *pStyle)
     return NULL;
 }
 
-IXFStyle*   XFStyleContainer::FindStyle(OUString name)
+IXFStyle*   XFStyleContainer::FindStyle(const OUString& name)
 {
     std::vector<IXFStyle*>::iterator it;
     for( it = m_aStyles.begin(); it != m_aStyles.end(); ++it )
diff --git a/lotuswordpro/source/filter/xfilter/xfstylecont.hxx b/lotuswordpro/source/filter/xfilter/xfstylecont.hxx
index 89d58444838d..ba8b0931c24f 100644
--- a/lotuswordpro/source/filter/xfilter/xfstylecont.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfstylecont.hxx
@@ -97,7 +97,7 @@ public:
     /**
      * @descr   get style by name.
      */
-    IXFStyle*       FindStyle(OUString name);
+    IXFStyle*       FindStyle(const OUString& name);
 
     /**
      * @descr   clear container.
diff --git a/lotuswordpro/source/filter/xfilter/xfstylemanager.cxx b/lotuswordpro/source/filter/xfilter/xfstylemanager.cxx
index 2d9d6c20c0cb..0e17576cc273 100644
--- a/lotuswordpro/source/filter/xfilter/xfstylemanager.cxx
+++ b/lotuswordpro/source/filter/xfilter/xfstylemanager.cxx
@@ -219,7 +219,7 @@ IXFStyle*   XFStyleManager::AddStyle(IXFStyle *pStyle)
     return pStyleRet;
 }
 
-IXFStyle*   XFStyleManager::FindStyle(OUString name)
+IXFStyle*   XFStyleManager::FindStyle(const OUString& name)
 {
     IXFStyle *pStyle = (IXFStyle*)FindParaStyle(name);
     if( pStyle )
@@ -272,7 +272,7 @@ IXFStyle*   XFStyleManager::FindStyle(OUString name)
     return NULL;
 }
 
-XFParaStyle*    XFStyleManager::FindParaStyle(OUString name)
+XFParaStyle*    XFStyleManager::FindParaStyle(const OUString& name)
 {
     IXFStyle *pStyle = s_aParaStyles.FindStyle(name);
     if( pStyle )
@@ -281,7 +281,7 @@ XFParaStyle*    XFStyleManager::FindParaStyle(OUString name)
         return (XFParaStyle*)s_aStdParaStyles.FindStyle(name);
 }
 
-XFTextStyle*    XFStyleManager::FindTextStyle(OUString name)
+XFTextStyle*    XFStyleManager::FindTextStyle(const OUString& name)
 {
     IXFStyle *pStyle = s_aTextStyles.FindStyle(name);
     if( pStyle )
diff --git a/lotuswordpro/source/filter/xfilter/xfstylemanager.hxx b/lotuswordpro/source/filter/xfilter/xfstylemanager.hxx
index 017735458419..db22ac10803e 100644
--- a/lotuswordpro/source/filter/xfilter/xfstylemanager.hxx
+++ b/lotuswordpro/source/filter/xfilter/xfstylemanager.hxx
@@ -97,11 +97,11 @@ public:
 
     IXFStyle*   AddStyle(IXFStyle *pStyle);
 
-    IXFStyle*   FindStyle(OUString name);
+    IXFStyle*   FindStyle(const OUString& name);
 
-    XFParaStyle*    FindParaStyle(OUString name);
+    XFParaStyle*    FindParaStyle(const OUString& name);
 
-    XFTextStyle*    FindTextStyle(OUString name);
+    XFTextStyle*    FindTextStyle(const OUString& name);
 
     void        SetLineNumberConfig(XFLineNumberConfig *pLNConfig);
 
diff --git a/lotuswordpro/source/filter/xfilter/xftable.cxx b/lotuswordpro/source/filter/xfilter/xftable.cxx
index f2da0c601ef6..38a7bd3f5144 100644
--- a/lotuswordpro/source/filter/xfilter/xftable.cxx
+++ b/lotuswordpro/source/filter/xfilter/xftable.cxx
@@ -123,7 +123,7 @@ XFTable::~XFTable()
     m_aColumns.clear();
 }
 
-void    XFTable::SetColumnStyle(sal_Int32 col, OUString style)
+void    XFTable::SetColumnStyle(sal_Int32 col, const OUString& style)
 {
     m_aColumns[col] = style;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xftable.hxx b/lotuswordpro/source/filter/xfilter/xftable.hxx
index 387eac7b4c2a..0554b049520e 100644
--- a/lotuswordpro/source/filter/xfilter/xftable.hxx
+++ b/lotuswordpro/source/filter/xfilter/xftable.hxx
@@ -79,19 +79,19 @@ public:
     virtual ~XFTable();
 
 public:
-    void    SetTableName(OUString name);
+    void    SetTableName(const OUString& name);
 
-    void    SetColumnStyle(sal_Int32 col, OUString style);
+    void    SetColumnStyle(sal_Int32 col, const OUString& style);
 
     void    AddRow(XFRow *pRow);
 
     void    AddHeaderRow(XFRow *pRow);
 
-    void    SetDefaultCellStyle(OUString style);
+    void    SetDefaultCellStyle(const OUString& style);
 
-    void    SetDefaultRowStyle(OUString style);
+    void    SetDefaultRowStyle(const OUString& style);
 
-    void    SetDefaultColStyle(OUString style);
+    void    SetDefaultColStyle(const OUString& style);
 
 public:
     void    SetOwnerCell(XFCell *pCell);
@@ -129,7 +129,7 @@ private:
     OUString   m_strDefColStyle;
 };
 
-inline void XFTable::SetTableName(OUString name)
+inline void XFTable::SetTableName(const OUString& name)
 {
     m_strName = name;
 }
@@ -145,17 +145,17 @@ inline sal_Bool XFTable::IsSubTable()
     return m_bSubTable;
 }
 
-inline void XFTable::SetDefaultCellStyle(OUString style)
+inline void XFTable::SetDefaultCellStyle(const OUString& style)
 {
     m_strDefCellStyle = style;
 }
 
-inline void XFTable::SetDefaultRowStyle(OUString style)
+inline void XFTable::SetDefaultRowStyle(const OUString& style)
 {
     m_strDefRowStyle = style;
 }
 
-inline void XFTable::SetDefaultColStyle(OUString style)
+inline void XFTable::SetDefaultColStyle(const OUString& style)
 {
     m_strDefColStyle = style;
 }
diff --git a/lotuswordpro/source/filter/xfilter/xftextcontent.cxx b/lotuswordpro/source/filter/xfilter/xftextcontent.cxx
index 7d47ea79b60d..391b65a67c89 100644
--- a/lotuswordpro/source/filter/xfilter/xftextcontent.cxx
+++ b/lotuswordpro/source/filter/xfilter/xftextcontent.cxx
@@ -60,7 +60,7 @@
 #include "xftextcontent.hxx"
 #include "ixfstream.hxx"
 
-XFTextContent::XFTextContent(OUString text):m_strText(text)
+XFTextContent::XFTextContent(const OUString& text):m_strText(text)
 {
 }
 
diff --git a/lotuswordpro/source/filter/xfilter/xftextcontent.hxx b/lotuswordpro/source/filter/xfilter/xftextcontent.hxx
index 7f55f2149392..7b4da82416de 100644
--- a/lotuswordpro/source/filter/xfilter/xftextcontent.hxx
+++ b/lotuswordpro/source/filter/xfilter/xftextcontent.hxx
@@ -74,7 +74,7 @@ class XFTextContent : public XFContent
 public:
     XFTextContent(){}
 
-    XFTextContent(OUString text);
+    XFTextContent(const OUString& text);
 
     virtual ~XFTextContent();
 
diff --git a/lotuswordpro/source/filter/xfilter/xftextspan.cxx b/lotuswordpro/source/filter/xfilter/xftextspan.cxx
index 6f667bc0e29c..55e37280cb34 100644
--- a/lotuswordpro/source/filter/xfilter/xftextspan.cxx
+++ b/lotuswordpro/source/filter/xfilter/xftextspan.cxx
@@ -67,8 +67,8 @@ XFTextSpan::XFTextSpan()
 
 }
 
-XFTextSpan::XFTextSpan(OUString& text,
-                       OUString& style
+XFTextSpan::XFTextSpan(const OUString& text,
+                       const OUString& style
                        )
 {
     Add(text);
@@ -99,7 +99,7 @@ void    XFTextSpan::Add(IXFContent *pContent)
     m_aContents.push_back(pContent);
 }
 
-void    XFTextSpan::Add(OUString& text)
+void    XFTextSpan::Add(const OUString& text)
 {
     IXFContent *pText = new XFTextContent(text);
     Add(pText);
diff --git a/lotuswordpro/source/filter/xfilter/xftextspan.hxx b/lotuswordpro/source/filter/xfilter/xftextspan.hxx
index 4b5b349d91b9..96dbde40760b 100644
--- a/lotuswordpro/source/filter/xfilter/xftextspan.hxx
+++ b/lotuswordpro/source/filter/xfilter/xftextspan.hxx
@@ -70,12 +70,12 @@ class XFTextSpan : public XFContent
 {
 public:
     XFTextSpan();
-    XFTextSpan(OUString& text, OUString& style );
+    XFTextSpan(const OUString& text, const OUString& style );
 
     virtual ~XFTextSpan();
 
     void            Add(IXFContent *pContent);
-    void            Add(OUString& text);
+    void            Add(const OUString& text);
 
     virtual enumXFContent GetContentType();
     virtual void    ToXml(IXFStream *pStrm);
diff --git a/lotuswordpro/source/filter/xfilter/xftimestyle.hxx b/lotuswordpro/source/filter/xfilter/xftimestyle.hxx
index 88977fafe993..5a1a2d95190c 100644
--- a/lotuswordpro/source/filter/xfilter/xftimestyle.hxx
+++ b/lotuswordpro/source/filter/xfilter/xftimestyle.hxx
@@ -80,7 +80,7 @@ public:
 
     void    SetLongFmt(sal_Bool bLongFmt);
 
-    void    SetText(OUString& text);
+    void    SetText(const OUString& text);
 
 protected:
     enumXFDatePart  m_ePart;
@@ -120,7 +120,7 @@ public:
 
     void    SetAmPm(sal_Bool bAmPm);
 
-    void    AddText( OUString part );
+    void    AddText( const OUString& part );
 
     virtual enumXFStyle GetStyleFamily();
 
@@ -145,7 +145,7 @@ inline void XFDateTimePart::SetLongFmt(sal_Bool bLongFmt)
     m_bLongFmt = bLongFmt;
 }
 
-inline void XFDateTimePart::SetText(OUString& text)
+inline void XFDateTimePart::SetText(const OUString& text)
 {
     m_strText = text;
 }
@@ -185,7 +185,7 @@ inline void XFTimeStyle::SetAmPm(sal_Bool bAmPm)
     m_bAmPm = bAmPm;
 }
 
-inline void XFTimeStyle::AddText( OUString text )
+inline void XFTimeStyle::AddText( const OUString& text )
 {
     XFTimePart  part;
     part.SetPartType(enumXFDateText);