CWS gnumake3: resync to m99

20 files changed, 746 insertions, 570 deletions

diff --git a/starmath/inc/dialog.hxx b/starmath/inc/dialog.hxx
index a421cc8a164e..818fec8009c9 100644..100755
--- a/starmath/inc/dialog.hxx
+++ b/starmath/inc/dialog.hxx
@@ -71,6 +71,7 @@ class SmPrintOptionsTabPage : public SfxTabPage
     MetricField     aZoom;
     FixedLine       aFixedLine3;
     CheckBox        aNoRightSpaces;
+    CheckBox        aSaveOnlyUsedSymbols;
 
     DECL_LINK(SizeButtonClickHdl, Button *);
 
diff --git a/starmath/inc/document.hxx b/starmath/inc/document.hxx
index f03cd43fc965..f8ffef16dfcd 100644..100755
--- a/starmath/inc/document.hxx
+++ b/starmath/inc/document.hxx
@@ -29,19 +29,21 @@
 
 #define SMDLL   1
 
-#include <sot/storage.hxx>
-#include <sot/sotref.hxx>
+#include <rtl/ustring.hxx>
+#include <sfx2/docfac.hxx>
 #include <sfx2/objsh.hxx>
+#include <sot/sotref.hxx>
+#include <sot/storage.hxx>
 #include <svl/lstner.hxx>
-#include <sfx2/docfac.hxx>
+#include <vcl/jobset.hxx>
 #include <vcl/virdev.hxx>
 
+#include <set>
+
 #include "format.hxx"
 #include "parse.hxx"
 #include "smmod.hxx"
 
-#include <vcl/jobset.hxx>
-
 class SmNode;
 class SfxMenuBarManager;
 class SfxPrinter;
@@ -124,6 +126,8 @@ class SmDocShell : public SfxObjectShell, public SfxListener
     USHORT              nModifyCount;
     BOOL                bIsFormulaArranged;
 
+    std::set< rtl::OUString >    aUsedSymbols;   // to export used symbols only when saving
+
 
 
     virtual void SFX_NOTIFY(SfxBroadcaster& rBC, const TypeId& rBCType,
@@ -200,6 +204,8 @@ public:
     const SmNode *  GetFormulaTree() const  { return pTree; }
     void            SetFormulaTree(SmNode *&rTree) { pTree = rTree; }
 
+    const std::set< rtl::OUString > &    GetUsedSymbols() const  { return aUsedSymbols; }
+
     String          GetAccessibleText();
 
     EditEngine &    GetEditEngine();
@@ -210,7 +216,7 @@ public:
 
     void        Repaint();
 
-    virtual     SfxUndoManager *GetUndoManager ();
+    virtual     ::svl::IUndoManager *GetUndoManager ();
 
     virtual     SfxItemPool& GetPool() const;
 
diff --git a/starmath/inc/parse.hxx b/starmath/inc/parse.hxx
index facf17d561e2..e30193490539 100644..100755
--- a/starmath/inc/parse.hxx
+++ b/starmath/inc/parse.hxx
@@ -33,11 +33,16 @@
 #include <tools/list.hxx>
 #include <tools/string.hxx>
 
+#include <set>
+#include <stack>
+#include <list>
+
 #include "types.hxx"
 
 class SmNode;
 class SmDocShell;
 
+//////////////////////////////////////////////////////////////////////
 
 // TokenGroups
 #define TGOPER          0x00000001
@@ -113,17 +118,18 @@ enum SmTokenType
 
 struct SmToken
 {
-    // token text
-    String  aText;
-    // token info
-    SmTokenType eType;
+
+    String          aText;      // token text
+    SmTokenType     eType;      // token info
     sal_Unicode     cMathChar;
+
     // parse-help info
-    ULONG       nGroup;
-    USHORT      nLevel;
+    ULONG           nGroup;
+    USHORT          nLevel;
+
     // token position
-    USHORT      nRow;
-    xub_StrLen  nCol;
+    USHORT          nRow;
+    xub_StrLen      nCol;
 
     SmToken();
 };
@@ -152,6 +158,7 @@ struct SmErrorDesc
     String        Text;
 };
 
+
 DECLARE_STACK(SmNodeStack,  SmNode *)
 DECLARE_LIST(SmErrDescList, SmErrorDesc *)
 
@@ -170,19 +177,22 @@ enum SmConvert
 
 class SmParser
 {
-    String          BufferString;
-    SmToken         CurToken;
-    SmNodeStack     NodeStack;
-    SmErrDescList   ErrDescList;
-    int             CurError;
-    LanguageType    nLang;
-    xub_StrLen      BufferIndex,
-                    nTokenIndex;
-    USHORT          Row,
-                    ColOff;
-    SmConvert       eConversion;
-    BOOL            bImportSymNames,
-                    bExportSymNames;
+    String          m_aBufferString;
+    SmToken         m_aCurToken;
+    SmNodeStack     m_aNodeStack;
+    SmErrDescList   m_aErrDescList;
+    int             m_nCurError;
+    LanguageType    m_nLang;
+    xub_StrLen      m_nBufferIndex,
+                    m_nTokenIndex;
+    USHORT          m_Row,
+                    m_nColOff;
+    SmConvert       m_eConversion;
+    BOOL            m_bImportSymNames,
+                    m_bExportSymNames;
+
+    // map of used symbols (used to reduce file size by exporting only actually used symbols)
+    std::set< rtl::OUString >   m_aUsedSymbols;
 
     // declare copy-constructor and assignment-operator private
     SmParser(const SmParser &);
@@ -193,7 +203,7 @@ protected:
     BOOL            IsDelimiter( const String &rTxt, xub_StrLen nPos );
 #endif
     void            NextToken();
-    xub_StrLen      GetTokenIndex() const   { return nTokenIndex; }
+    xub_StrLen      GetTokenIndex() const   { return m_nTokenIndex; }
     void            Insert(const String &rText, USHORT nPos);
     void            Replace( USHORT nPos, USHORT nLen, const String &rText );
 
@@ -231,37 +241,43 @@ protected:
     void    GlyphSpecial();
     // end of grammar
 
-    LanguageType    GetLanguage() const { return nLang; }
-    void            SetLanguage( LanguageType nNewLang ) { nLang = nNewLang; }
+    LanguageType    GetLanguage() const { return m_nLang; }
+    void            SetLanguage( LanguageType nNewLang ) { m_nLang = nNewLang; }
 
     void    Error(SmParseError Error);
 
+    void    ClearUsedSymbols()                              { m_aUsedSymbols.clear(); }
+    void    AddToUsedSymbols( const String &rSymbolName )   { m_aUsedSymbols.insert( rSymbolName ); }
+
 public:
                  SmParser();
 
     SmNode      *Parse(const String &rBuffer);
 
-    const String & GetText() const { return BufferString; };
+    const String & GetText() const { return m_aBufferString; };
 
-    SmConvert    GetConversion() const              { return eConversion; }
-    void         SetConversion(SmConvert eConv)     { eConversion = eConv; }
+    SmConvert    GetConversion() const              { return m_eConversion; }
+    void         SetConversion(SmConvert eConv)     { m_eConversion = eConv; }
 
-    BOOL         IsImportSymbolNames() const        { return bImportSymNames; }
-    void         SetImportSymbolNames(BOOL bVal)    { bImportSymNames = bVal; }
-    BOOL         IsExportSymbolNames() const        { return bExportSymNames; }
-    void         SetExportSymbolNames(BOOL bVal)    { bExportSymNames = bVal; }
+    BOOL         IsImportSymbolNames() const        { return m_bImportSymNames; }
+    void         SetImportSymbolNames(BOOL bVal)    { m_bImportSymNames = bVal; }
+    BOOL         IsExportSymbolNames() const        { return m_bExportSymNames; }
+    void         SetExportSymbolNames(BOOL bVal)    { m_bExportSymNames = bVal; }
 
     USHORT       AddError(SmParseError Type, SmNode *pNode);
 
     const SmErrorDesc * NextError();
     const SmErrorDesc * PrevError();
     const SmErrorDesc * GetError(USHORT i = 0xFFFF);
+
+    bool    IsUsedSymbol( const String &rSymbolName ) const { return m_aUsedSymbols.find( rSymbolName ) != m_aUsedSymbols.end(); }
+    std::set< rtl::OUString >   GetUsedSymbols() const      { return m_aUsedSymbols; }
 };
 
 
 inline BOOL SmParser::TokenInGroup(ULONG nGroup)
 {
-    return (CurToken.nGroup & nGroup) ? TRUE : FALSE;
+    return (m_aCurToken.nGroup & nGroup) ? TRUE : FALSE;
 }
 
 
diff --git a/starmath/inc/starmath.hrc b/starmath/inc/starmath.hrc
index 1b919471115c..7acefec94808 100755
--- a/starmath/inc/starmath.hrc
+++ b/starmath/inc/starmath.hrc
@@ -82,10 +82,9 @@
 #define SID_CMDBOXWINDOW            (SID_SMA_START + 122)
 #define SID_TOOLBOXWINDOW           (SID_SMA_START + 123)
 #define SID_NO_RIGHT_SPACES         (SID_SMA_START + 124)
+#define SID_SAVE_ONLY_USED_SYMBOLS  (SID_SMA_START + 125)
 #define SID_DUMMY                   (SID_SMA_START + 254)
 
-//#define GID_FORMEL                            (RID_GROUPS_OFFSET + 1)
-//#define GID_ERROR                             (RID_GROUPS_OFFSET + 2)
 
 //#define RID_OPTIONSDIALOG         (RID_APP_START + 1)
 #define RID_FONTDIALOG              (RID_APP_START + 2)
@@ -100,8 +99,6 @@
 #define RID_PRINTUIOPTIONS          (RID_APP_START + 11)
 
 #define RID_MATH_TOOLBOX            (RID_APP_START + 50)
-// wegen #58705# entfernt
-//#define RID_DRAW_OBJECTBAR            (RID_APP_START + 51)
 
 #define RID_DEFAULTSAVEQUERY        (RID_APP_START + 102)
 #define RID_WRITESYMBOLERROR        (RID_APP_START + 202)
diff --git a/starmath/source/cfgitem.cxx b/starmath/source/cfgitem.cxx
index c8db4720b943..b654b22b2d66 100644
--- a/starmath/source/cfgitem.cxx
+++ b/starmath/source/cfgitem.cxx
@@ -111,7 +111,8 @@ static const char * aMathPropNames[] =
     "Print/Frame",
     "Print/Size",
     "Print/ZoomFactor",
-    //"Misc/NoSymbolsWarning",
+    "LoadSave/IsSaveOnlyUsedSymbols",
+    //"Misc/NoSymbolsWarning",  @deprecated
     "Misc/IgnoreSpacesRight",
     "View/ToolboxVisible",
     "View/AutoRedraw",
@@ -206,6 +207,7 @@ struct SmCfgOther
     BOOL            bPrintTitle;
     BOOL            bPrintFormulaText;
     BOOL            bPrintFrame;
+    BOOL            bIsSaveOnlyUsedSymbols;
     BOOL            bIgnoreSpacesRight;
     BOOL            bToolboxVisible;
     BOOL            bAutoRedraw;
@@ -223,7 +225,7 @@ SmCfgOther::SmCfgOther()
     bPrintTitle         = bPrintFormulaText   =
     bPrintFrame         = bIgnoreSpacesRight  =
     bToolboxVisible     = bAutoRedraw         =
-    bFormulaCursor      = /*bNoSymbolsWarning   =*/ TRUE;
+    bFormulaCursor      = bIsSaveOnlyUsedSymbols = TRUE;
 }
 
 /////////////////////////////////////////////////////////////////
@@ -900,6 +902,10 @@ void SmMathConfig::LoadOther()
         // Print/ZoomFactor
         if (pVal->hasValue()  &&  (*pVal >>= nTmp16))
             pOther->nPrintZoomFactor = nTmp16;
+        ++pVal;
+        // LoadSave/IsSaveOnlyUsedSymbols
+        if (pVal->hasValue()  &&  (*pVal >>= bTmp))
+            pOther->bIsSaveOnlyUsedSymbols = bTmp;
 /*        ++pVal;
         // Misc/NoSymbolsWarning
         if (pVal->hasValue()  &&  (*pVal >>= bTmp))
@@ -951,6 +957,8 @@ void SmMathConfig::SaveOther()
     *pValue++ <<= (INT16) pOther->ePrintSize;
     // Print/ZoomFactor
     *pValue++ <<= (INT16) pOther->nPrintZoomFactor;
+    // LoadSave/IsSaveOnlyUsedSymbols
+    *pValue++ <<= (BOOL) pOther->bIsSaveOnlyUsedSymbols;
 /*    // Misc/NoSymbolsWarning
     *pValue++ <<= (BOOL) pOther->bNoSymbolsWarning;
 */
@@ -1235,6 +1243,22 @@ void SmMathConfig::SetPrintFrame( BOOL bVal )
 }
 
 
+BOOL SmMathConfig::IsSaveOnlyUsedSymbols() const
+{
+    if (!pOther)
+        ((SmMathConfig *) this)->LoadOther();
+    return pOther->bIsSaveOnlyUsedSymbols;
+}
+
+
+void SmMathConfig::SetSaveOnlyUsedSymbols( BOOL bVal )
+{
+    if (!pOther)
+        LoadOther();
+    SetOtherIfNotEqual( pOther->bIsSaveOnlyUsedSymbols, bVal );
+}
+
+
 BOOL SmMathConfig::IsIgnoreSpacesRight() const
 {
     if (!pOther)
diff --git a/starmath/source/cfgitem.hxx b/starmath/source/cfgitem.hxx
index 8e3330a6466f..25cfdae309b6 100644
--- a/starmath/source/cfgitem.hxx
+++ b/starmath/source/cfgitem.hxx
@@ -196,6 +196,9 @@ public:
     USHORT          GetPrintZoomFactor() const;
     void            SetPrintZoomFactor( USHORT nVal );
 
+    BOOL            IsSaveOnlyUsedSymbols() const;
+    void            SetSaveOnlyUsedSymbols( BOOL bVal );
+
     BOOL            IsIgnoreSpacesRight() const;
     void            SetIgnoreSpacesRight( BOOL bVal );
     BOOL            IsAutoRedraw() const;
diff --git a/starmath/source/config.cxx b/starmath/source/config.cxx
index 16b3b97afd96..c7adf9e07446 100644..100755
--- a/starmath/source/config.cxx
+++ b/starmath/source/config.cxx
@@ -101,6 +101,10 @@ void SmConfig::ItemSetToConfig(const SfxItemSet &rSet)
             Broadcast(SfxSimpleHint(HINT_FORMATCHANGED));
         }
     }
+    if (rSet.GetItemState(SID_SAVE_ONLY_USED_SYMBOLS, TRUE, &pItem) == SFX_ITEM_SET)
+    {   bVal = ((const SfxBoolItem *) pItem)->GetValue();
+        SetSaveOnlyUsedSymbols( bVal );
+    }
 
     SaveOther();
 }
@@ -120,6 +124,7 @@ void SmConfig::ConfigToItemSet(SfxItemSet &rSet) const
     rSet.Put(SfxBoolItem(pPool->GetWhich(SID_PRINTFRAME), IsPrintFrame()));
     rSet.Put(SfxBoolItem(pPool->GetWhich(SID_AUTOREDRAW), IsAutoRedraw()));
     rSet.Put(SfxBoolItem(pPool->GetWhich(SID_NO_RIGHT_SPACES), IsIgnoreSpacesRight()));
+    rSet.Put(SfxBoolItem(pPool->GetWhich(SID_SAVE_ONLY_USED_SYMBOLS), IsSaveOnlyUsedSymbols()));
 }
 
 
diff --git a/starmath/source/dialog.cxx b/starmath/source/dialog.cxx
index a33ab14a98bf..15a644fcfba5 100755
--- a/starmath/source/dialog.cxx
+++ b/starmath/source/dialog.cxx
@@ -188,8 +188,9 @@ SmPrintOptionsTabPage::SmPrintOptionsTabPage(Window *pParent, const SfxItemSet &
     aSizeScaled     (this, SmResId( RB_FIT_TO_PAGE )),
     aSizeZoomed     (this, SmResId( RB_ZOOM )),
     aZoom           (this, SmResId( MF_ZOOM )),
-    aFixedLine3      (this, SmResId( FL_MISC_OPTIONS )),
-    aNoRightSpaces  (this, SmResId( CB_IGNORE_SPACING ))
+    aFixedLine3     (this, SmResId( FL_MISC_OPTIONS )),
+    aNoRightSpaces  (this, SmResId( CB_IGNORE_SPACING )),
+    aSaveOnlyUsedSymbols  (this, SmResId( CB_SAVE_ONLY_USED_SYMBOLS ))
 {
     FreeResource();
 
@@ -217,6 +218,7 @@ BOOL SmPrintOptionsTabPage::FillItemSet(SfxItemSet& rSet)
     rSet.Put(SfxBoolItem(GetWhich(SID_PRINTTEXT), aText.IsChecked()));
     rSet.Put(SfxBoolItem(GetWhich(SID_PRINTFRAME), aFrame.IsChecked()));
     rSet.Put(SfxBoolItem(GetWhich(SID_NO_RIGHT_SPACES), aNoRightSpaces.IsChecked()));
+    rSet.Put(SfxBoolItem(GetWhich(SID_SAVE_ONLY_USED_SYMBOLS), aSaveOnlyUsedSymbols.IsChecked()));
 
     return TRUE;
 }
@@ -238,6 +240,7 @@ void SmPrintOptionsTabPage::Reset(const SfxItemSet& rSet)
     aText.Check(((const SfxBoolItem &)rSet.Get(GetWhich(SID_PRINTTEXT))).GetValue());
     aFrame.Check(((const SfxBoolItem &)rSet.Get(GetWhich(SID_PRINTFRAME))).GetValue());
     aNoRightSpaces.Check(((const SfxBoolItem &)rSet.Get(GetWhich(SID_NO_RIGHT_SPACES))).GetValue());
+    aSaveOnlyUsedSymbols.Check(((const SfxBoolItem &)rSet.Get(GetWhich(SID_SAVE_ONLY_USED_SYMBOLS))).GetValue());
 }
 
 
diff --git a/starmath/source/dialog.hrc b/starmath/source/dialog.hrc
index 29d87ba1d287..9e3e58493ab3 100644..100755
--- a/starmath/source/dialog.hrc
+++ b/starmath/source/dialog.hrc
@@ -31,17 +31,18 @@
 
 #define FL_PRINTOPTIONS         10
 #define CB_TITLEROW             11
-#define CB_EQUATION_TEXT    12
+#define CB_EQUATION_TEXT        12
 #define CB_FRAME                13
 
 #define FL_PRINT_FORMAT         20
-#define RB_ORIGINAL_SIZE    21
-#define RB_FIT_TO_PAGE      22
+#define RB_ORIGINAL_SIZE        21
+#define RB_FIT_TO_PAGE          22
 #define RB_ZOOM                 23
 #define MF_ZOOM                 24
 
 #define FL_MISC_OPTIONS         30
-#define CB_IGNORE_SPACING   31
+#define CB_IGNORE_SPACING       31
+#define CB_SAVE_ONLY_USED_SYMBOLS       32
 
 #define FT_FONTS_SUBSET         110
 #define LB_FONTS_SUBSET         111
diff --git a/starmath/source/document.cxx b/starmath/source/document.cxx
index 53399212da97..1f7271168e0a 100644..100755
--- a/starmath/source/document.cxx
+++ b/starmath/source/document.cxx
@@ -98,6 +98,7 @@
 #include "mathmlexport.hxx"
 #include <sfx2/sfxsids.hrc>
 #include <svx/svxids.hrc>
+#include <tools/diagnose_ex.h>
 
 using namespace ::com::sun::star;
 using namespace ::com::sun::star::accessibility;
@@ -260,6 +261,8 @@ void SmDocShell::Parse()
     pTree = aInterpreter.Parse(aText);
     nModifyCount++;     //! see comment for SID_GAPHIC_SM in SmDocShell::GetState
     SetFormulaArranged( FALSE );
+
+    aUsedSymbols = aInterpreter.GetUsedSymbols();
 }
 
 
@@ -1006,7 +1009,7 @@ void SmDocShell::Execute(SfxRequest& rReq)
             SmFormat aNewFormat( aOldFormat );
             aNewFormat.SetTextmode(!aOldFormat.IsTextmode());
 
-            SfxUndoManager *pTmpUndoMgr = GetUndoManager();
+            ::svl::IUndoManager *pTmpUndoMgr = GetUndoManager();
             if (pTmpUndoMgr)
                 pTmpUndoMgr->AddUndoAction(
                     new SmFormatAction(this, aOldFormat, aNewFormat));
@@ -1049,7 +1052,7 @@ void SmDocShell::Execute(SfxRequest& rReq)
                 SmFormat aNewFormat( aOldFormat );
 
                 pFontTypeDialog->WriteTo(aNewFormat);
-                SfxUndoManager *pTmpUndoMgr = GetUndoManager();
+                ::svl::IUndoManager *pTmpUndoMgr = GetUndoManager();
                 if (pTmpUndoMgr)
                     pTmpUndoMgr->AddUndoAction(
                         new SmFormatAction(this, aOldFormat, aNewFormat));
@@ -1073,7 +1076,7 @@ void SmDocShell::Execute(SfxRequest& rReq)
 
                 pFontSizeDialog->WriteTo(aNewFormat);
 
-                SfxUndoManager *pTmpUndoMgr = GetUndoManager();
+                ::svl::IUndoManager *pTmpUndoMgr = GetUndoManager();
                 if (pTmpUndoMgr)
                     pTmpUndoMgr->AddUndoAction(
                         new SmFormatAction(this, aOldFormat, aNewFormat));
@@ -1097,7 +1100,7 @@ void SmDocShell::Execute(SfxRequest& rReq)
 
                 pDistanceDialog->WriteTo(aNewFormat);
 
-                SfxUndoManager *pTmpUndoMgr = GetUndoManager();
+                ::svl::IUndoManager *pTmpUndoMgr = GetUndoManager();
                 if (pTmpUndoMgr)
                     pTmpUndoMgr->AddUndoAction(
                         new SmFormatAction(this, aOldFormat, aNewFormat));
@@ -1126,7 +1129,7 @@ void SmDocShell::Execute(SfxRequest& rReq)
                 pAlignDialog->WriteTo( aFmt );
                 pp->GetConfig()->SetStandardFormat( aFmt );
 
-                SfxUndoManager *pTmpUndoMgr = GetUndoManager();
+                ::svl::IUndoManager *pTmpUndoMgr = GetUndoManager();
                 if (pTmpUndoMgr)
                     pTmpUndoMgr->AddUndoAction(
                         new SmFormatAction(this, aOldFormat, aNewFormat));
@@ -1149,7 +1152,7 @@ void SmDocShell::Execute(SfxRequest& rReq)
         case SID_UNDO:
         case SID_REDO:
         {
-            SfxUndoManager* pTmpUndoMgr = GetUndoManager();
+            ::svl::IUndoManager* pTmpUndoMgr = GetUndoManager();
             if( pTmpUndoMgr )
             {
                 USHORT nId = rReq.GetSlot(), nCnt = 1;
@@ -1158,22 +1161,29 @@ void SmDocShell::Execute(SfxRequest& rReq)
                 if( pArgs && SFX_ITEM_SET == pArgs->GetItemState( nId, FALSE, &pItem ))
                     nCnt = ((SfxUInt16Item*)pItem)->GetValue();
 
-                BOOL (SfxUndoManager:: *fnDo)( USHORT );
+                BOOL (::svl::IUndoManager:: *fnDo)();
 
                 sal_uInt16 nCount;
                 if( SID_UNDO == rReq.GetSlot() )
                 {
                     nCount = pTmpUndoMgr->GetUndoActionCount();
-                    fnDo = &SfxUndoManager::Undo;
+                    fnDo = &::svl::IUndoManager::Undo;
                 }
                 else
                 {
                     nCount = pTmpUndoMgr->GetRedoActionCount();
-                    fnDo = &SfxUndoManager::Redo;
+                    fnDo = &::svl::IUndoManager::Redo;
                 }
 
-                for( ; nCnt && nCount; --nCnt, --nCount )
-                    (pTmpUndoMgr->*fnDo)( 0 );
+                try
+                {
+                    for( ; nCnt && nCount; --nCnt, --nCount )
+                        (pTmpUndoMgr->*fnDo)();
+                }
+                catch( const Exception& e )
+                {
+                    DBG_UNHANDLED_EXCEPTION();
+                }
             }
             Repaint();
             SfxViewFrame* pFrm = SfxViewFrame::GetFirst( this );
@@ -1256,27 +1266,27 @@ void SmDocShell::GetState(SfxItemSet &rSet)
         case SID_GETUNDOSTRINGS:
         case SID_GETREDOSTRINGS:
             {
-                SfxUndoManager* pTmpUndoMgr = GetUndoManager();
+                ::svl::IUndoManager* pTmpUndoMgr = GetUndoManager();
                 if( pTmpUndoMgr )
                 {
-                    UniString(SfxUndoManager:: *fnGetComment)( USHORT ) const;
+                    UniString(::svl::IUndoManager:: *fnGetComment)( size_t, bool const ) const;
 
                     sal_uInt16 nCount;
                     if( SID_GETUNDOSTRINGS == nWh )
                     {
                         nCount = pTmpUndoMgr->GetUndoActionCount();
-                        fnGetComment = &SfxUndoManager::GetUndoActionComment;
+                        fnGetComment = &::svl::IUndoManager::GetUndoActionComment;
                     }
                     else
                     {
                         nCount = pTmpUndoMgr->GetRedoActionCount();
-                        fnGetComment = &SfxUndoManager::GetRedoActionComment;
+                        fnGetComment = &::svl::IUndoManager::GetRedoActionComment;
                     }
                     if( nCount )
                     {
                         String sList;
                         for( sal_uInt16 n = 0; n < nCount; ++n )
-                            ( sList += (pTmpUndoMgr->*fnGetComment)( n ) )
+                            ( sList += (pTmpUndoMgr->*fnGetComment)( n, ::svl::IUndoManager::TopLevel ) )
                                     += '\n';
 
                         SfxStringListItem aItem( nWh );
@@ -1293,7 +1303,7 @@ void SmDocShell::GetState(SfxItemSet &rSet)
 }
 
 
-SfxUndoManager *SmDocShell::GetUndoManager()
+::svl::IUndoManager *SmDocShell::GetUndoManager()
 {
     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::GetUndoManager" );
 
diff --git a/starmath/source/makefile.mk b/starmath/source/makefile.mk
index 5900fae65b87..c9f0226c8df4 100644..100755
--- a/starmath/source/makefile.mk
+++ b/starmath/source/makefile.mk
@@ -52,31 +52,31 @@ SRC2FILES = smres.src   \
 
 SLO1FILES =  \
         $(SLO)$/accessibility.obj \
-        $(SLO)$/edit.obj \
-        $(SLO)$/eqnolefilehdr.obj \
-        $(SLO)$/mathmlexport.obj \
-        $(SLO)$/mathmlimport.obj \
-        $(SLO)$/symbol.obj \
-        $(SLO)$/types.obj \
-        $(SLO)$/unodoc.obj \
         $(SLO)$/action.obj \
         $(SLO)$/cfgitem.obj \
         $(SLO)$/config.obj \
         $(SLO)$/dialog.obj \
         $(SLO)$/document.obj \
+        $(SLO)$/edit.obj \
+        $(SLO)$/eqnolefilehdr.obj \
         $(SLO)$/format.obj \
+        $(SLO)$/mathmlexport.obj \
+        $(SLO)$/mathmlimport.obj \
         $(SLO)$/mathtype.obj \
         $(SLO)$/node.obj \
         $(SLO)$/parse.obj \
+        $(SLO)$/rect.obj \
         $(SLO)$/register.obj \
         $(SLO)$/smdll.obj \
+        $(SLO)$/smmod.obj \
+        $(SLO)$/symbol.obj \
         $(SLO)$/toolbox.obj \
         $(SLO)$/typemap.obj \
-        $(SLO)$/smmod.obj \
+        $(SLO)$/types.obj \
+        $(SLO)$/unodoc.obj \
         $(SLO)$/utility.obj \
-        $(SLO)$/rect.obj \
-        $(SLO)$/unomodel.obj \
-        $(SLO)$/view.obj
+        $(SLO)$/view.obj \
+        $(SLO)$/unomodel.obj
 
 SLO2FILES =  \
         $(SLO)$/register.obj  \
diff --git a/starmath/source/mathmlexport.cxx b/starmath/source/mathmlexport.cxx
index bec69eb01b95..711ac2535a9b 100644..100755
--- a/starmath/source/mathmlexport.cxx
+++ b/starmath/source/mathmlexport.cxx
@@ -79,6 +79,7 @@
 #include <unomodel.hxx>
 #include <document.hxx>
 #include <utility.hxx>
+#include <config.hxx>
 
 using namespace ::com::sun::star::beans;
 using namespace ::com::sun::star::container;
@@ -742,6 +743,9 @@ void SmXMLExport::GetConfigurationSettings( Sequence < PropertyValue > & rProps)
                 PropertyValue* pProps = rProps.getArray();
                 if (pProps)
                 {
+                    SmConfig *pConfig = SM_MOD()->GetConfig();
+                    const bool bUsedSymbolsOnly = pConfig ? pConfig->IsSaveOnlyUsedSymbols() : false;
+
                     const OUString sFormula ( RTL_CONSTASCII_USTRINGPARAM ( "Formula" ) );
                     const OUString sBasicLibraries ( RTL_CONSTASCII_USTRINGPARAM ( "BasicLibraries" ) );
                     const OUString sDialogLibraries ( RTL_CONSTASCII_USTRINGPARAM ( "DialogLibraries" ) );
@@ -755,7 +759,14 @@ void SmXMLExport::GetConfigurationSettings( Sequence < PropertyValue > & rProps)
                             rPropName != sRuntimeUID)
                         {
                             pProps->Name = rPropName;
-                            pProps->Value = xProps->getPropertyValue(rPropName);
+
+                            rtl::OUString aActualName( rPropName );
+
+                            // handle 'save used symbols only'
+                            if (bUsedSymbolsOnly && rPropName.equalsAscii("Symbols"))
+                                aActualName = OUString( RTL_CONSTASCII_USTRINGPARAM ( "UserDefinedSymbolsInUse" ) );
+
+                            pProps->Value = xProps->getPropertyValue( aActualName );
                         }
                     }
                 }
@@ -784,7 +795,8 @@ void SmXMLExport::ExportExpression(const SmNode *pNode, int nLevel)
     SvXMLElementExport *pRow=0;
     ULONG  nSize = pNode->GetNumSubNodes();
 
-    if (nSize > 1)
+    // #i115443: nodes of type expression always need to be grouped with mrow statement
+    if (nSize > 1 || (pNode && pNode->GetType() == NEXPRESSION))
         pRow = new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MROW, sal_True, sal_True);
 
     //if (nSize)
diff --git a/starmath/source/mathmlimport.cxx b/starmath/source/mathmlimport.cxx
index 36c009757eac..4364c60b9e10 100644..100755
--- a/starmath/source/mathmlimport.cxx
+++ b/starmath/source/mathmlimport.cxx
@@ -1613,8 +1613,11 @@ public:
 void SmXMLSubContext_Impl::GenericEndElement(SmTokenType eType, SmSubSup eSubSup)
 {
     /*The <msub> element requires exactly 2 arguments.*/
-    DBG_ASSERT(GetSmImport().GetNodeStack().Count() - nElementCount == 2,
-        "Sub has not two arguments");
+    const bool bNodeCheck = GetSmImport().GetNodeStack().Count() - nElementCount == 2;
+    DBG_ASSERT( bNodeCheck, "Sub has not two arguments" );
+    if (!bNodeCheck)
+        return;
+
     SmToken aToken;
     aToken.cMathChar = '\0';
     aToken.nGroup = 0;
@@ -1672,8 +1675,10 @@ void SmXMLSubSupContext_Impl::GenericEndElement(SmTokenType eType,
         SmSubSup aSub,SmSubSup aSup)
 {
     /*The <msub> element requires exactly 3 arguments.*/
-    DBG_ASSERT(GetSmImport().GetNodeStack().Count() - nElementCount == 3,
-        "SubSup has not three arguments");
+    const bool bNodeCheck = GetSmImport().GetNodeStack().Count() - nElementCount == 3;
+    DBG_ASSERT( bNodeCheck, "SubSup has not three arguments" );
+    if (!bNodeCheck)
+        return;
 
     SmToken aToken;
     aToken.cMathChar = '\0';
@@ -1721,8 +1726,10 @@ void SmXMLUnderContext_Impl::StartElement(const uno::Reference<
 
 void SmXMLUnderContext_Impl::HandleAccent()
 {
-    DBG_ASSERT(GetSmImport().GetNodeStack().Count() - nElementCount == 2,
-        "Sub has not two arguments");
+    const bool bNodeCheck = GetSmImport().GetNodeStack().Count() - nElementCount == 2;
+    DBG_ASSERT( bNodeCheck, "Sub has not two arguments" );
+    if (!bNodeCheck)
+        return;
 
     /*Just one special case for the underline thing*/
     SmNodeStack &rNodeStack = GetSmImport().GetNodeStack();
@@ -1803,8 +1810,11 @@ void SmXMLOverContext_Impl::EndElement()
 
 void SmXMLOverContext_Impl::HandleAccent()
 {
-    DBG_ASSERT(GetSmImport().GetNodeStack().Count() - nElementCount == 2,
-        "Sub has not two arguments");
+    const bool bNodeCheck = GetSmImport().GetNodeStack().Count() - nElementCount == 2;
+    DBG_ASSERT( bNodeCheck, "Sub has not two arguments" );
+    if (!bNodeCheck)
+        return;
+
     SmToken aToken;
     aToken.cMathChar = '\0';
     aToken.nGroup = 0;
@@ -2352,6 +2362,12 @@ void SmXMLDocContext_Impl::EndElement()
 
 void SmXMLFracContext_Impl::EndElement()
 {
+    SmNodeStack &rNodeStack = GetSmImport().GetNodeStack();
+    const bool bNodeCheck = rNodeStack.Count() - nElementCount == 2;
+    DBG_ASSERT( bNodeCheck, "Fraction (mfrac) tag is missing component" );
+    if (!bNodeCheck)
+        return;
+
     SmToken aToken;
     aToken.cMathChar = '\0';
     aToken.nGroup = 0;
@@ -2359,23 +2375,19 @@ void SmXMLFracContext_Impl::EndElement()
     aToken.eType = TOVER;
     SmStructureNode *pSNode = new SmBinVerNode(aToken);
     SmNode *pOper = new SmRectangleNode(aToken);
-    SmNodeStack &rNodeStack = GetSmImport().GetNodeStack();
-    DBG_ASSERT(rNodeStack.Count() - nElementCount == 2,
-        "Fraction (mfrac) tag is missing component");
-    if (rNodeStack.Count() - nElementCount == 2)
-    {
-        SmNode *pSecond = rNodeStack.Pop();
-        SmNode *pFirst = rNodeStack.Pop();
-        pSNode->SetSubNodes(pFirst,pOper,pSecond);
-        rNodeStack.Push(pSNode);
-    }
+    SmNode *pSecond = rNodeStack.Pop();
+    SmNode *pFirst = rNodeStack.Pop();
+    pSNode->SetSubNodes(pFirst,pOper,pSecond);
+    rNodeStack.Push(pSNode);
 }
 
 void SmXMLRootContext_Impl::EndElement()
 {
     /*The <mroot> element requires exactly 2 arguments.*/
-    DBG_ASSERT(GetSmImport().GetNodeStack().Count() - nElementCount == 2,
-        "Root tag is missing component");
+    const bool bNodeCheck = GetSmImport().GetNodeStack().Count() - nElementCount == 2;
+    DBG_ASSERT( bNodeCheck, "Root tag is missing component" );
+    if (!bNodeCheck)
+        return;
 
     SmToken aToken;
     aToken.cMathChar = MS_SQRT;  //Temporary: alert, based on StarSymbol font
@@ -2612,9 +2624,8 @@ void SmXMLMultiScriptsContext_Impl::MiddleElement()
 {
     bHasPrescripts=sal_True;
 
-    DBG_ASSERT(GetSmImport().GetNodeStack().Count() - nElementCount > 0,
-        "Sub has no arguments");
     SmNodeStack &rNodeStack = GetSmImport().GetNodeStack();
+    DBG_ASSERT( rNodeStack.Count() - nElementCount > 0, "Sub has no arguments" );
     if (rNodeStack.Count()-nElementCount > 1)
     {
         SmToken aToken;
@@ -3168,8 +3179,14 @@ void SmXMLImport::SetConfigurationSettings(const Sequence<PropertyValue>& aConfP
                         if ( xInfo->hasPropertyByName( pValues->Name ) )
                             xProps->setPropertyValue( pValues->Name, pValues->Value );
                     }
-                    catch( Exception& )
+                    catch (beans::PropertyVetoException &e)
+                    {
+                        (void) e;
+                        // dealing with read-only properties here. Nothing to do...
+                    }
+                    catch( Exception& e)
                     {
+                        (void) e;
                         DBG_ERROR( "SmXMLImport::SetConfigurationSettings: Exception!" );
                     }
                 }
diff --git a/starmath/source/mathmlimport.hxx b/starmath/source/mathmlimport.hxx
index 22c2017c61b1..3225c2f85eb6 100644..100755
--- a/starmath/source/mathmlimport.hxx
+++ b/starmath/source/mathmlimport.hxx
@@ -251,10 +251,10 @@ public:
     const SvXMLTokenMap &GetPresTableElemTokenMap();
     const SvXMLTokenMap &GetColorTokenMap();
 
-    SmNodeStack & GetNodeStack() {return aNodeStack;}
-    SmNode *GetTree() { return aNodeStack.Pop();}
-    sal_Bool GetSuccess() { return bSuccess; }
-    String &GetText() { return aText;}
+    SmNodeStack & GetNodeStack()    { return aNodeStack; }
+    SmNode *GetTree()               { return aNodeStack.Pop(); }
+    sal_Bool GetSuccess()           { return bSuccess; }
+    String &GetText()               { return aText; }
 
     virtual void SetViewSettings(const com::sun::star::uno::Sequence<com::sun::star::beans::PropertyValue>& aViewProps);
     virtual void SetConfigurationSettings(const com::sun::star::uno::Sequence<com::sun::star::beans::PropertyValue>& aViewProps);
diff --git a/starmath/source/parse.cxx b/starmath/source/parse.cxx
index 697e18362d87..042997ee3bea 100755
--- a/starmath/source/parse.cxx
+++ b/starmath/source/parse.cxx
@@ -392,22 +392,22 @@ BOOL SmParser::IsDelimiter( const String &rTxt, xub_StrLen nPos )
 
 void SmParser::Insert(const String &rText, USHORT nPos)
 {
-    BufferString.Insert(rText, nPos);
+    m_aBufferString.Insert(rText, nPos);
 
     xub_StrLen  nLen = rText.Len();
-    BufferIndex = BufferIndex + nLen;
-    nTokenIndex = nTokenIndex + nLen;
+    m_nBufferIndex = m_nBufferIndex + nLen;
+    m_nTokenIndex  = m_nTokenIndex + nLen;
 }
 
 
 void SmParser::Replace( USHORT nPos, USHORT nLen, const String &rText )
 {
-    DBG_ASSERT( nPos + nLen <= BufferString.Len(), "argument mismatch" );
+    DBG_ASSERT( nPos + nLen <= m_aBufferString.Len(), "argument mismatch" );
 
-    BufferString.Replace( nPos, nLen, rText );
+    m_aBufferString.Replace( nPos, nLen, rText );
     INT16  nChg = rText.Len() - nLen;
-    BufferIndex = BufferIndex + nChg;
-    nTokenIndex = nTokenIndex + nChg;
+    m_nBufferIndex = m_nBufferIndex + nChg;
+    m_nTokenIndex = m_nTokenIndex + nChg;
 }
 
 
@@ -434,7 +434,7 @@ void SmParser::NextToken()
 {
     static const String aEmptyStr;
 
-    xub_StrLen  nBufLen = BufferString.Len();
+    xub_StrLen  nBufLen = m_aBufferString.Len();
     ParseResult aRes;
     xub_StrLen  nRealStart;
     BOOL        bCont;
@@ -444,12 +444,12 @@ void SmParser::NextToken()
     {
         // skip white spaces
         while (UnicodeType::SPACE_SEPARATOR ==
-                        aCC.getType( BufferString, BufferIndex ))
-           ++BufferIndex;
+                        aCC.getType( m_aBufferString, m_nBufferIndex ))
+           ++m_nBufferIndex;
 
         sal_Int32 nStartFlags = coStartFlags;
         sal_Int32 nContFlags  = coContFlags;
-        sal_Unicode cFirstChar = BufferString.GetChar( BufferIndex );
+        sal_Unicode cFirstChar = m_aBufferString.GetChar( m_nBufferIndex );
 /*
         removed because of #i11752#
         bNumStart = cFirstChar == '.' || ('0' <= cFirstChar && cFirstChar <= '9');
@@ -459,7 +459,7 @@ void SmParser::NextToken()
             nContFlags  = coNumContFlags;
         }
 */
-        aRes = aCC.parseAnyToken( BufferString, BufferIndex,
+        aRes = aCC.parseAnyToken( m_aBufferString, m_nBufferIndex,
                                             nStartFlags, aEmptyStr,
                                             nContFlags, aEmptyStr );
 
@@ -476,7 +476,7 @@ void SmParser::NextToken()
             aCC.setLocale( aDotLoc );
             aTmpRes = aCC.parsePredefinedToken(
                             KParseType::ASC_NUMBER,
-                            BufferString, BufferIndex,
+                            m_aBufferString, m_nBufferIndex,
                             KParseTokens::ASC_DIGIT, aEmptyStr,
                             KParseTokens::ASC_DIGIT | KParseTokens::ASC_DOT, aEmptyStr );
             aCC.setLocale( aOldLoc );
@@ -484,29 +484,29 @@ void SmParser::NextToken()
                 aRes.TokenType = aTmpRes.TokenType;
         }
 
-        nRealStart = BufferIndex + sal::static_int_cast< xub_StrLen >(aRes.LeadingWhiteSpace);
-        BufferIndex = nRealStart;
+        nRealStart = m_nBufferIndex + sal::static_int_cast< xub_StrLen >(aRes.LeadingWhiteSpace);
+        m_nBufferIndex = nRealStart;
 
         bCont = FALSE;
         if ( aRes.TokenType == 0  &&
                 nRealStart < nBufLen &&
-                '\n' == BufferString.GetChar( nRealStart ) )
+                '\n' == m_aBufferString.GetChar( nRealStart ) )
         {
             // keep data needed for tokens row and col entry up to date
-            ++Row;
-            BufferIndex = ColOff = nRealStart + 1;
+            ++m_Row;
+            m_nBufferIndex = m_nColOff = nRealStart + 1;
             bCont = TRUE;
         }
         else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
         {
-            String aName( BufferString.Copy( nRealStart, 2 ));
+            String aName( m_aBufferString.Copy( nRealStart, 2 ));
             if ( aName.EqualsAscii( "%%" ))
             {
                 //SkipComment
-                BufferIndex = nRealStart + 2;
-                while (BufferIndex < nBufLen  &&
-                    '\n' != BufferString.GetChar( BufferIndex ))
-                    ++BufferIndex;
+                m_nBufferIndex = nRealStart + 2;
+                while (m_nBufferIndex < nBufLen  &&
+                    '\n' != m_aBufferString.GetChar( m_nBufferIndex ))
+                    ++m_nBufferIndex;
                 bCont = TRUE;
             }
         }
@@ -514,33 +514,33 @@ void SmParser::NextToken()
     } while (bCont);
 
     // set index of current token
-    nTokenIndex = BufferIndex;
+    m_nTokenIndex = m_nBufferIndex;
 
-    CurToken.nRow   = Row;
-    CurToken.nCol   = nRealStart - ColOff + 1;
+    m_aCurToken.nRow   = m_Row;
+    m_aCurToken.nCol   = nRealStart - m_nColOff + 1;
 
     BOOL bHandled = TRUE;
     if (nRealStart >= nBufLen)
     {
-        CurToken.eType     = TEND;
-        CurToken.cMathChar = '\0';
-        CurToken.nGroup    = 0;
-        CurToken.nLevel    = 0;
-        CurToken.aText.Erase();
+        m_aCurToken.eType    = TEND;
+        m_aCurToken.cMathChar = '\0';
+        m_aCurToken.nGroup       = 0;
+        m_aCurToken.nLevel       = 0;
+        m_aCurToken.aText.Erase();
     }
     else if ((aRes.TokenType & (KParseType::ASC_NUMBER | KParseType::UNI_NUMBER))
              || (bNumStart && (aRes.TokenType & KParseType::IDENTNAME)))
     {
         INT32 n = aRes.EndPos - nRealStart;
         DBG_ASSERT( n >= 0, "length < 0" );
-        CurToken.eType      = TNUMBER;
-        CurToken.cMathChar  = '\0';
-        CurToken.nGroup     = 0;
-        CurToken.nLevel     = 5;
-        CurToken.aText      = BufferString.Copy( nRealStart, sal::static_int_cast< xub_StrLen >(n) );
+        m_aCurToken.eType      = TNUMBER;
+        m_aCurToken.cMathChar  = '\0';
+        m_aCurToken.nGroup     = 0;
+        m_aCurToken.nLevel     = 5;
+        m_aCurToken.aText      = m_aBufferString.Copy( nRealStart, sal::static_int_cast< xub_StrLen >(n) );
 
 #if OSL_DEBUG_LEVEL > 1
-        if (!IsDelimiter( BufferString, static_cast< xub_StrLen >(aRes.EndPos) ))
+        if (!IsDelimiter( m_aBufferString, static_cast< xub_StrLen >(aRes.EndPos) ))
         {
             DBG_WARNING( "identifier really finished? (compatibility!)" );
         }
@@ -548,59 +548,59 @@ void SmParser::NextToken()
     }
     else if (aRes.TokenType & KParseType::DOUBLE_QUOTE_STRING)
     {
-        CurToken.eType      = TTEXT;
-        CurToken.cMathChar  = '\0';
-        CurToken.nGroup     = 0;
-        CurToken.nLevel     = 5;
-        CurToken.aText      = aRes.DequotedNameOrString;
-        CurToken.nRow       = Row;
-        CurToken.nCol       = nRealStart - ColOff + 2;
+        m_aCurToken.eType      = TTEXT;
+        m_aCurToken.cMathChar  = '\0';
+        m_aCurToken.nGroup     = 0;
+        m_aCurToken.nLevel     = 5;
+        m_aCurToken.aText     = aRes.DequotedNameOrString;
+        m_aCurToken.nRow       = m_Row;
+        m_aCurToken.nCol       = nRealStart - m_nColOff + 2;
     }
     else if (aRes.TokenType & KParseType::IDENTNAME)
     {
         INT32 n = aRes.EndPos - nRealStart;
         DBG_ASSERT( n >= 0, "length < 0" );
-        String aName( BufferString.Copy( nRealStart, sal::static_int_cast< xub_StrLen >(n) ) );
+        String aName( m_aBufferString.Copy( nRealStart, sal::static_int_cast< xub_StrLen >(n) ) );
         const SmTokenTableEntry *pEntry = GetTokenTableEntry( aName );
 
         if (pEntry)
         {
-            CurToken.eType      = pEntry->eType;
-            CurToken.cMathChar  = pEntry->cMathChar;
-            CurToken.nGroup     = pEntry->nGroup;
-            CurToken.nLevel     = pEntry->nLevel;
-            CurToken.aText.AssignAscii( pEntry->pIdent );
+            m_aCurToken.eType      = pEntry->eType;
+            m_aCurToken.cMathChar  = pEntry->cMathChar;
+            m_aCurToken.nGroup     = pEntry->nGroup;
+            m_aCurToken.nLevel     = pEntry->nLevel;
+            m_aCurToken.aText.AssignAscii( pEntry->pIdent );
         }
         else
         {
-            CurToken.eType      = TIDENT;
-            CurToken.cMathChar  = '\0';
-            CurToken.nGroup     = 0;
-            CurToken.nLevel     = 5;
-            CurToken.aText      = aName;
+            m_aCurToken.eType      = TIDENT;
+            m_aCurToken.cMathChar  = '\0';
+            m_aCurToken.nGroup     = 0;
+            m_aCurToken.nLevel     = 5;
+            m_aCurToken.aText      = aName;
 
 #if OSL_DEBUG_LEVEL > 1
-            if (!IsDelimiter( BufferString, static_cast< xub_StrLen >(aRes.EndPos) ))
+            if (!IsDelimiter( m_aBufferString, static_cast< xub_StrLen >(aRes.EndPos) ))
             {
                 DBG_WARNING( "identifier really finished? (compatibility!)" );
             }
 #endif
         }
     }
-    else if (aRes.TokenType == 0  &&  '_' == BufferString.GetChar( nRealStart ))
+    else if (aRes.TokenType == 0  &&  '_' == m_aBufferString.GetChar( nRealStart ))
     {
-        CurToken.eType     = TRSUB;
-        CurToken.cMathChar = '\0';
-        CurToken.nGroup    = TGPOWER;
-        CurToken.nLevel    = 0;
-        CurToken.aText.AssignAscii( "_" );
+        m_aCurToken.eType    = TRSUB;
+        m_aCurToken.cMathChar = '\0';
+        m_aCurToken.nGroup       = TGPOWER;
+        m_aCurToken.nLevel       = 0;
+        m_aCurToken.aText.AssignAscii( "_" );
 
         aRes.EndPos = nRealStart + 1;
     }
     else if (aRes.TokenType & KParseType::BOOLEAN)
     {
         sal_Int32   &rnEndPos = aRes.EndPos;
-        String  aName( BufferString.Copy( nRealStart,
+        String  aName( m_aBufferString.Copy( nRealStart,
                         sal::static_int_cast< xub_StrLen >(rnEndPos - nRealStart) ));
         if (2 >= aName.Len())
         {
@@ -609,91 +609,91 @@ void SmParser::NextToken()
             {
                 case '<':
                     {
-                        if (BufferString.Copy( nRealStart, 2 ).
+                        if (m_aBufferString.Copy( nRealStart, 2 ).
                                 EqualsAscii( "<<" ))
                         {
-                            CurToken.eType     = TLL;
-                            CurToken.cMathChar = MS_LL;
-                            CurToken.nGroup    = TGRELATION;
-                            CurToken.nLevel    = 0;
-                            CurToken.aText.AssignAscii( "<<" );
+                            m_aCurToken.eType    = TLL;
+                            m_aCurToken.cMathChar = MS_LL;
+                            m_aCurToken.nGroup       = TGRELATION;
+                            m_aCurToken.nLevel       = 0;
+                            m_aCurToken.aText.AssignAscii( "<<" );
 
                             rnEndPos = nRealStart + 2;
                         }
-                        else if (BufferString.Copy( nRealStart, 2 ).
+                        else if (m_aBufferString.Copy( nRealStart, 2 ).
                                 EqualsAscii( "<=" ))
                         {
-                            CurToken.eType     = TLE;
-                            CurToken.cMathChar = MS_LE;
-                            CurToken.nGroup    = TGRELATION;
-                            CurToken.nLevel    = 0;
-                            CurToken.aText.AssignAscii( "<=" );
+                            m_aCurToken.eType    = TLE;
+                            m_aCurToken.cMathChar = MS_LE;
+                            m_aCurToken.nGroup       = TGRELATION;
+                            m_aCurToken.nLevel       = 0;
+                            m_aCurToken.aText.AssignAscii( "<=" );
 
                             rnEndPos = nRealStart + 2;
                         }
-                        else if (BufferString.Copy( nRealStart, 2 ).
+                        else if (m_aBufferString.Copy( nRealStart, 2 ).
                                 EqualsAscii( "<>" ))
                         {
-                            CurToken.eType     = TNEQ;
-                            CurToken.cMathChar = MS_NEQ;
-                            CurToken.nGroup    = TGRELATION;
-                            CurToken.nLevel    = 0;
-                            CurToken.aText.AssignAscii( "<>" );
+                            m_aCurToken.eType    = TNEQ;
+                            m_aCurToken.cMathChar = MS_NEQ;
+                            m_aCurToken.nGroup       = TGRELATION;
+                            m_aCurToken.nLevel       = 0;
+                            m_aCurToken.aText.AssignAscii( "<>" );
 
                             rnEndPos = nRealStart + 2;
                         }
-                        else if (BufferString.Copy( nRealStart, 3 ).
+                        else if (m_aBufferString.Copy( nRealStart, 3 ).
                                 EqualsAscii( "<?>" ))
                         {
-                            CurToken.eType     = TPLACE;
-                            CurToken.cMathChar = MS_PLACE;
-                            CurToken.nGroup    = 0;
-                            CurToken.nLevel    = 5;
-                            CurToken.aText.AssignAscii( "<?>" );
+                            m_aCurToken.eType    = TPLACE;
+                            m_aCurToken.cMathChar = MS_PLACE;
+                            m_aCurToken.nGroup       = 0;
+                            m_aCurToken.nLevel       = 5;
+                            m_aCurToken.aText.AssignAscii( "<?>" );
 
                             rnEndPos = nRealStart + 3;
                         }
                         else
                         {
-                            CurToken.eType     = TLT;
-                            CurToken.cMathChar = MS_LT;
-                            CurToken.nGroup    = TGRELATION;
-                            CurToken.nLevel    = 0;
-                            CurToken.aText.AssignAscii( "<" );
+                            m_aCurToken.eType    = TLT;
+                            m_aCurToken.cMathChar = MS_LT;
+                            m_aCurToken.nGroup       = TGRELATION;
+                            m_aCurToken.nLevel       = 0;
+                            m_aCurToken.aText.AssignAscii( "<" );
                         }
                     }
                     break;
                 case '>':
                     {
-                        if (BufferString.Copy( nRealStart, 2 ).
+                        if (m_aBufferString.Copy( nRealStart, 2 ).
                                 EqualsAscii( ">=" ))
                         {
-                            CurToken.eType     = TGE;
-                            CurToken.cMathChar = MS_GE;
-                            CurToken.nGroup    = TGRELATION;
-                            CurToken.nLevel    = 0;
-                            CurToken.aText.AssignAscii( ">=" );
+                            m_aCurToken.eType    = TGE;
+                            m_aCurToken.cMathChar = MS_GE;
+                            m_aCurToken.nGroup       = TGRELATION;
+                            m_aCurToken.nLevel       = 0;
+                            m_aCurToken.aText.AssignAscii( ">=" );
 
                             rnEndPos = nRealStart + 2;
                         }
-                        else if (BufferString.Copy( nRealStart, 2 ).
+                        else if (m_aBufferString.Copy( nRealStart, 2 ).
                                 EqualsAscii( ">>" ))
                         {
-                            CurToken.eType     = TGG;
-                            CurToken.cMathChar = MS_GG;
-                            CurToken.nGroup    = TGRELATION;
-                            CurToken.nLevel    = 0;
-                            CurToken.aText.AssignAscii( ">>" );
+                            m_aCurToken.eType    = TGG;
+                            m_aCurToken.cMathChar = MS_GG;
+                            m_aCurToken.nGroup       = TGRELATION;
+                            m_aCurToken.nLevel       = 0;
+                            m_aCurToken.aText.AssignAscii( ">>" );
 
                             rnEndPos = nRealStart + 2;
                         }
                         else
                         {
-                            CurToken.eType     = TGT;
-                            CurToken.cMathChar = MS_GT;
-                            CurToken.nGroup    = TGRELATION;
-                            CurToken.nLevel    = 0;
-                            CurToken.aText.AssignAscii( ">" );
+                            m_aCurToken.eType    = TGT;
+                            m_aCurToken.cMathChar = MS_GT;
+                            m_aCurToken.nGroup       = TGRELATION;
+                            m_aCurToken.nLevel       = 0;
+                            m_aCurToken.aText.AssignAscii( ">" );
                         }
                     }
                     break;
@@ -705,7 +705,7 @@ void SmParser::NextToken()
     else if (aRes.TokenType & KParseType::ONE_SINGLE_CHAR)
     {
         sal_Int32   &rnEndPos = aRes.EndPos;
-        String  aName( BufferString.Copy( nRealStart,
+        String  aName( m_aBufferString.Copy( nRealStart,
                             sal::static_int_cast< xub_StrLen >(rnEndPos - nRealStart) ) );
 
         if (1 == aName.Len())
@@ -718,12 +718,12 @@ void SmParser::NextToken()
                         //! modifies aRes.EndPos
 
                         DBG_ASSERT( rnEndPos >= nBufLen  ||
-                                    '%' != BufferString.GetChar( sal::static_int_cast< xub_StrLen >(rnEndPos) ),
+                                    '%' != m_aBufferString.GetChar( sal::static_int_cast< xub_StrLen >(rnEndPos) ),
                                 "unexpected comment start" );
 
                         // get identifier of user-defined character
                         ParseResult aTmpRes = aCC.parseAnyToken(
-                                BufferString, rnEndPos,
+                                m_aBufferString, rnEndPos,
                                 KParseTokens::ANY_LETTER,
                                 aEmptyStr,
                                 coContFlags,
@@ -735,20 +735,20 @@ void SmParser::NextToken()
                         // default setting for the case that no identifier
                         // i.e. a valid symbol-name is following the '%'
                         // character
-                        CurToken.eType      = TTEXT;
-                        CurToken.cMathChar  = '\0';
-                        CurToken.nGroup     = 0;
-                        CurToken.nLevel     = 5;
-                        CurToken.aText      = String();
-                        CurToken.nRow       = sal::static_int_cast< xub_StrLen >(Row);
-                        CurToken.nCol       = nTmpStart - ColOff;
+                        m_aCurToken.eType      = TTEXT;
+                        m_aCurToken.cMathChar  = '\0';
+                        m_aCurToken.nGroup     = 0;
+                        m_aCurToken.nLevel     = 5;
+                        m_aCurToken.aText      = String();
+                        m_aCurToken.nRow       = sal::static_int_cast< xub_StrLen >(m_Row);
+                        m_aCurToken.nCol       = nTmpStart - m_nColOff;
 
                         if (aTmpRes.TokenType & KParseType::IDENTNAME)
                         {
 
                             xub_StrLen n = sal::static_int_cast< xub_StrLen >(aTmpRes.EndPos - nTmpStart);
-                            CurToken.eType      = TSPECIAL;
-                            CurToken.aText      = BufferString.Copy( sal::static_int_cast< xub_StrLen >(nTmpStart-1), n+1 );
+                            m_aCurToken.eType      = TSPECIAL;
+                            m_aCurToken.aText      = m_aBufferString.Copy( sal::static_int_cast< xub_StrLen >(nTmpStart-1), n+1 );
 
                             DBG_ASSERT( aTmpRes.EndPos > rnEndPos,
                                     "empty identifier" );
@@ -765,187 +765,187 @@ void SmParser::NextToken()
                     break;
                 case '[':
                     {
-                        CurToken.eType     = TLBRACKET;
-                        CurToken.cMathChar = MS_LBRACKET;
-                        CurToken.nGroup    = TGLBRACES;
-                        CurToken.nLevel    = 5;
-                        CurToken.aText.AssignAscii( "[" );
+                        m_aCurToken.eType    = TLBRACKET;
+                        m_aCurToken.cMathChar = MS_LBRACKET;
+                        m_aCurToken.nGroup       = TGLBRACES;
+                        m_aCurToken.nLevel       = 5;
+                        m_aCurToken.aText.AssignAscii( "[" );
                     }
                     break;
                 case '\\':
                     {
-                        CurToken.eType     = TESCAPE;
-                        CurToken.cMathChar = '\0';
-                        CurToken.nGroup    = 0;
-                        CurToken.nLevel    = 5;
-                        CurToken.aText.AssignAscii( "\\" );
+                        m_aCurToken.eType    = TESCAPE;
+                        m_aCurToken.cMathChar = '\0';
+                        m_aCurToken.nGroup       = 0;
+                        m_aCurToken.nLevel       = 5;
+                        m_aCurToken.aText.AssignAscii( "\\" );
                     }
                     break;
                 case ']':
                     {
-                        CurToken.eType     = TRBRACKET;
-                        CurToken.cMathChar = MS_RBRACKET;
-                        CurToken.nGroup    = TGRBRACES;
-                        CurToken.nLevel    = 0;
-                        CurToken.aText.AssignAscii( "]" );
+                        m_aCurToken.eType    = TRBRACKET;
+                        m_aCurToken.cMathChar = MS_RBRACKET;
+                        m_aCurToken.nGroup       = TGRBRACES;
+                        m_aCurToken.nLevel       = 0;
+                        m_aCurToken.aText.AssignAscii( "]" );
                     }
                     break;
                 case '^':
                     {
-                        CurToken.eType     = TRSUP;
-                        CurToken.cMathChar = '\0';
-                        CurToken.nGroup    = TGPOWER;
-                        CurToken.nLevel    = 0;
-                        CurToken.aText.AssignAscii( "^" );
+                        m_aCurToken.eType    = TRSUP;
+                        m_aCurToken.cMathChar = '\0';
+                        m_aCurToken.nGroup       = TGPOWER;
+                        m_aCurToken.nLevel       = 0;
+                        m_aCurToken.aText.AssignAscii( "^" );
                     }
                     break;
                 case '`':
                     {
-                        CurToken.eType     = TSBLANK;
-                        CurToken.cMathChar = '\0';
-                        CurToken.nGroup    = TGBLANK;
-                        CurToken.nLevel    = 5;
-                        CurToken.aText.AssignAscii( "`" );
+                        m_aCurToken.eType    = TSBLANK;
+                        m_aCurToken.cMathChar = '\0';
+                        m_aCurToken.nGroup       = TGBLANK;
+                        m_aCurToken.nLevel       = 5;
+                        m_aCurToken.aText.AssignAscii( "`" );
                     }
                     break;
                 case '{':
                     {
-                        CurToken.eType     = TLGROUP;
-                        CurToken.cMathChar = MS_LBRACE;
-                        CurToken.nGroup    = 0;
-                        CurToken.nLevel    = 5;
-                        CurToken.aText.AssignAscii( "{" );
+                        m_aCurToken.eType    = TLGROUP;
+                        m_aCurToken.cMathChar = MS_LBRACE;
+                        m_aCurToken.nGroup       = 0;
+                        m_aCurToken.nLevel       = 5;
+                        m_aCurToken.aText.AssignAscii( "{" );
                     }
                     break;
                 case '|':
                     {
-                        CurToken.eType     = TOR;
-                        CurToken.cMathChar = MS_OR;
-                        CurToken.nGroup    = TGSUM;
-                        CurToken.nLevel    = 0;
-                        CurToken.aText.AssignAscii( "|" );
+                        m_aCurToken.eType    = TOR;
+                        m_aCurToken.cMathChar = MS_OR;
+                        m_aCurToken.nGroup       = TGSUM;
+                        m_aCurToken.nLevel       = 0;
+                        m_aCurToken.aText.AssignAscii( "|" );
                     }
                     break;
                 case '}':
                     {
-                        CurToken.eType     = TRGROUP;
-                        CurToken.cMathChar = MS_RBRACE;
-                        CurToken.nGroup    = 0;
-                        CurToken.nLevel    = 0;
-                        CurToken.aText.AssignAscii( "}" );
+                        m_aCurToken.eType    = TRGROUP;
+                        m_aCurToken.cMathChar = MS_RBRACE;
+                        m_aCurToken.nGroup       = 0;
+                        m_aCurToken.nLevel       = 0;
+                        m_aCurToken.aText.AssignAscii( "}" );
                     }
                     break;
                 case '~':
                     {
-                        CurToken.eType     = TBLANK;
-                        CurToken.cMathChar = '\0';
-                        CurToken.nGroup    = TGBLANK;
-                        CurToken.nLevel    = 5;
-                        CurToken.aText.AssignAscii( "~" );
+                        m_aCurToken.eType    = TBLANK;
+                        m_aCurToken.cMathChar = '\0';
+                        m_aCurToken.nGroup       = TGBLANK;
+                        m_aCurToken.nLevel       = 5;
+                        m_aCurToken.aText.AssignAscii( "~" );
                     }
                     break;
                 case '#':
                     {
-                        if (BufferString.Copy( nRealStart, 2 ).
+                        if (m_aBufferString.Copy( nRealStart, 2 ).
                                 EqualsAscii( "##" ))
                         {
-                            CurToken.eType     = TDPOUND;
-                            CurToken.cMathChar = '\0';
-                            CurToken.nGroup    = 0;
-                            CurToken.nLevel    = 0;
-                            CurToken.aText.AssignAscii( "##" );
+                            m_aCurToken.eType    = TDPOUND;
+                            m_aCurToken.cMathChar = '\0';
+                            m_aCurToken.nGroup       = 0;
+                            m_aCurToken.nLevel       = 0;
+                            m_aCurToken.aText.AssignAscii( "##" );
 
                             rnEndPos = nRealStart + 2;
                         }
                         else
                         {
-                            CurToken.eType     = TPOUND;
-                            CurToken.cMathChar = '\0';
-                            CurToken.nGroup    = 0;
-                            CurToken.nLevel    = 0;
-                            CurToken.aText.AssignAscii( "#" );
+                            m_aCurToken.eType    = TPOUND;
+                            m_aCurToken.cMathChar = '\0';
+                            m_aCurToken.nGroup       = 0;
+                            m_aCurToken.nLevel       = 0;
+                            m_aCurToken.aText.AssignAscii( "#" );
                         }
                     }
                     break;
                 case '&':
                     {
-                        CurToken.eType     = TAND;
-                        CurToken.cMathChar = MS_AND;
-                        CurToken.nGroup    = TGPRODUCT;
-                        CurToken.nLevel    = 0;
-                        CurToken.aText.AssignAscii( "&" );
+                        m_aCurToken.eType    = TAND;
+                        m_aCurToken.cMathChar = MS_AND;
+                        m_aCurToken.nGroup       = TGPRODUCT;
+                        m_aCurToken.nLevel       = 0;
+                        m_aCurToken.aText.AssignAscii( "&" );
                     }
                     break;
                 case '(':
                     {
-                        CurToken.eType     = TLPARENT;
-                        CurToken.cMathChar = MS_LPARENT;
-                        CurToken.nGroup    = TGLBRACES;
-                        CurToken.nLevel    = 5;     //! 0 to continue expression
-                        CurToken.aText.AssignAscii( "(" );
+                        m_aCurToken.eType    = TLPARENT;
+                        m_aCurToken.cMathChar = MS_LPARENT;
+                        m_aCurToken.nGroup       = TGLBRACES;
+                        m_aCurToken.nLevel       = 5;     //! 0 to continue expression
+                        m_aCurToken.aText.AssignAscii( "(" );
                     }
                     break;
                 case ')':
                     {
-                        CurToken.eType     = TRPARENT;
-                        CurToken.cMathChar = MS_RPARENT;
-                        CurToken.nGroup    = TGRBRACES;
-                        CurToken.nLevel    = 0;     //! 0 to terminate expression
-                        CurToken.aText.AssignAscii( ")" );
+                        m_aCurToken.eType    = TRPARENT;
+                        m_aCurToken.cMathChar = MS_RPARENT;
+                        m_aCurToken.nGroup       = TGRBRACES;
+                        m_aCurToken.nLevel       = 0;     //! 0 to terminate expression
+                        m_aCurToken.aText.AssignAscii( ")" );
                     }
                     break;
                 case '*':
                     {
-                        CurToken.eType     = TMULTIPLY;
-                        CurToken.cMathChar = MS_MULTIPLY;
-                        CurToken.nGroup    = TGPRODUCT;
-                        CurToken.nLevel    = 0;
-                        CurToken.aText.AssignAscii( "*" );
+                        m_aCurToken.eType    = TMULTIPLY;
+                        m_aCurToken.cMathChar = MS_MULTIPLY;
+                        m_aCurToken.nGroup       = TGPRODUCT;
+                        m_aCurToken.nLevel       = 0;
+                        m_aCurToken.aText.AssignAscii( "*" );
                     }
                     break;
                 case '+':
                     {
-                        if (BufferString.Copy( nRealStart, 2 ).
+                        if (m_aBufferString.Copy( nRealStart, 2 ).
                                 EqualsAscii( "+-" ))
                         {
-                            CurToken.eType     = TPLUSMINUS;
-                            CurToken.cMathChar = MS_PLUSMINUS;
-                            CurToken.nGroup    = TGUNOPER | TGSUM;
-                            CurToken.nLevel    = 5;
-                            CurToken.aText.AssignAscii( "+-" );
+                            m_aCurToken.eType    = TPLUSMINUS;
+                            m_aCurToken.cMathChar = MS_PLUSMINUS;
+                            m_aCurToken.nGroup       = TGUNOPER | TGSUM;
+                            m_aCurToken.nLevel       = 5;
+                            m_aCurToken.aText.AssignAscii( "+-" );
 
                             rnEndPos = nRealStart + 2;
                         }
                         else
                         {
-                            CurToken.eType     = TPLUS;
-                            CurToken.cMathChar = MS_PLUS;
-                            CurToken.nGroup    = TGUNOPER | TGSUM;
-                            CurToken.nLevel    = 5;
-                            CurToken.aText.AssignAscii( "+" );
+                            m_aCurToken.eType    = TPLUS;
+                            m_aCurToken.cMathChar = MS_PLUS;
+                            m_aCurToken.nGroup       = TGUNOPER | TGSUM;
+                            m_aCurToken.nLevel       = 5;
+                            m_aCurToken.aText.AssignAscii( "+" );
                         }
                     }
                     break;
                 case '-':
                     {
-                        if (BufferString.Copy( nRealStart, 2 ).
+                        if (m_aBufferString.Copy( nRealStart, 2 ).
                                 EqualsAscii( "-+" ))
                         {
-                            CurToken.eType     = TMINUSPLUS;
-                            CurToken.cMathChar = MS_MINUSPLUS;
-                            CurToken.nGroup    = TGUNOPER | TGSUM;
-                            CurToken.nLevel    = 5;
-                            CurToken.aText.AssignAscii( "-+" );
+                            m_aCurToken.eType    = TMINUSPLUS;
+                            m_aCurToken.cMathChar = MS_MINUSPLUS;
+                            m_aCurToken.nGroup       = TGUNOPER | TGSUM;
+                            m_aCurToken.nLevel       = 5;
+                            m_aCurToken.aText.AssignAscii( "-+" );
 
                             rnEndPos = nRealStart + 2;
                         }
                         else
                         {
-                            CurToken.eType     = TMINUS;
-                            CurToken.cMathChar = MS_MINUS;
-                            CurToken.nGroup    = TGUNOPER | TGSUM;
-                            CurToken.nLevel    = 5;
-                            CurToken.aText.AssignAscii( "-" );
+                            m_aCurToken.eType    = TMINUS;
+                            m_aCurToken.cMathChar = MS_MINUS;
+                            m_aCurToken.nGroup       = TGUNOPER | TGSUM;
+                            m_aCurToken.nLevel       = 5;
+                            m_aCurToken.aText.AssignAscii( "-" );
                         }
                     }
                     break;
@@ -954,40 +954,40 @@ void SmParser::NextToken()
                         // for compatibility with SO5.2
                         // texts like .34 ...56 ... h ...78..90
                         // will be treated as numbers
-                        CurToken.eType     = TNUMBER;
-                        CurToken.cMathChar = '\0';
-                        CurToken.nGroup    = 0;
-                        CurToken.nLevel    = 5;
+                        m_aCurToken.eType     = TNUMBER;
+                        m_aCurToken.cMathChar = '\0';
+                        m_aCurToken.nGroup       = 0;
+                        m_aCurToken.nLevel    = 5;
 
-                        xub_StrLen nTxtStart = BufferIndex;
+                        xub_StrLen nTxtStart = m_nBufferIndex;
                         sal_Unicode cChar;
                         do
                         {
-                            cChar = BufferString.GetChar( ++BufferIndex );
+                            cChar = m_aBufferString.GetChar( ++m_nBufferIndex );
                         }
                         while ( cChar == '.' || IsDigit( cChar ) );
 
-                        CurToken.aText = BufferString.Copy( sal::static_int_cast< xub_StrLen >(nTxtStart),
-                                                            sal::static_int_cast< xub_StrLen >(BufferIndex - nTxtStart) );
-                        aRes.EndPos = BufferIndex;
+                        m_aCurToken.aText = m_aBufferString.Copy( sal::static_int_cast< xub_StrLen >(nTxtStart),
+                                                            sal::static_int_cast< xub_StrLen >(m_nBufferIndex - nTxtStart) );
+                        aRes.EndPos = m_nBufferIndex;
                     }
                     break;
                 case '/':
                     {
-                        CurToken.eType     = TDIVIDEBY;
-                        CurToken.cMathChar = MS_SLASH;
-                        CurToken.nGroup    = TGPRODUCT;
-                        CurToken.nLevel    = 0;
-                        CurToken.aText.AssignAscii( "/" );
+                        m_aCurToken.eType    = TDIVIDEBY;
+                        m_aCurToken.cMathChar = MS_SLASH;
+                        m_aCurToken.nGroup       = TGPRODUCT;
+                        m_aCurToken.nLevel       = 0;
+                        m_aCurToken.aText.AssignAscii( "/" );
                     }
                     break;
                 case '=':
                     {
-                        CurToken.eType     = TASSIGN;
-                        CurToken.cMathChar = MS_ASSIGN;
-                        CurToken.nGroup    = TGRELATION;
-                        CurToken.nLevel    = 0;
-                        CurToken.aText.AssignAscii( "=" );
+                        m_aCurToken.eType    = TASSIGN;
+                        m_aCurToken.cMathChar = MS_ASSIGN;
+                        m_aCurToken.nGroup       = TGRELATION;
+                        m_aCurToken.nLevel       = 0;
+                        m_aCurToken.aText.AssignAscii( "=" );
                     }
                     break;
                 default:
@@ -1000,17 +1000,17 @@ void SmParser::NextToken()
 
     if (!bHandled)
     {
-        CurToken.eType      = TCHARACTER;
-        CurToken.cMathChar  = '\0';
-        CurToken.nGroup     = 0;
-        CurToken.nLevel     = 5;
-        CurToken.aText      = BufferString.Copy( nRealStart, 1 );
+        m_aCurToken.eType      = TCHARACTER;
+        m_aCurToken.cMathChar  = '\0';
+        m_aCurToken.nGroup     = 0;
+        m_aCurToken.nLevel     = 5;
+        m_aCurToken.aText      = m_aBufferString.Copy( nRealStart, 1 );
 
         aRes.EndPos = nRealStart + 1;
     }
 
-    if (TEND != CurToken.eType)
-        BufferIndex = sal::static_int_cast< xub_StrLen >(aRes.EndPos);
+    if (TEND != m_aCurToken.eType)
+        m_nBufferIndex = sal::static_int_cast< xub_StrLen >(aRes.EndPos);
 }
 
 
@@ -1024,25 +1024,25 @@ void SmParser::Table()
     SmNodeArray  LineArray;
 
     Line();
-    while (CurToken.eType == TNEWLINE)
+    while (m_aCurToken.eType == TNEWLINE)
     {
         NextToken();
         Line();
     }
 
-    if (CurToken.eType != TEND)
+    if (m_aCurToken.eType != TEND)
         Error(PE_UNEXPECTED_CHAR);
 
-    ULONG n = NodeStack.Count();
+    ULONG n = m_aNodeStack.Count();
 
     LineArray.resize(n);
 
     for (ULONG i = 0; i < n; i++)
-        LineArray[n - (i + 1)] = NodeStack.Pop();
+        LineArray[n - (i + 1)] = m_aNodeStack.Pop();
 
-    SmStructureNode *pSNode = new SmTableNode(CurToken);
+    SmStructureNode *pSNode = new SmTableNode(m_aCurToken);
     pSNode->SetSubNodes(LineArray);
-    NodeStack.Push(pSNode);
+    m_aNodeStack.Push(pSNode);
 }
 
 
@@ -1064,19 +1064,21 @@ void SmParser::Align()
             // (the dominant one in 4.0) and erase all others (especially old
             // discarded tokens) from command string.
             while (TokenInGroup(TGALIGN))
-            {   if (TokenInGroup(TGDISCARDED) || pSNode)
-                {   BufferIndex = GetTokenIndex();
-                    BufferString.Erase(BufferIndex, CurToken.aText.Len());
+            {
+                if (TokenInGroup(TGDISCARDED) || pSNode)
+                {
+                    m_nBufferIndex = GetTokenIndex();
+                    m_aBufferString.Erase(m_nBufferIndex, m_aCurToken.aText.Len());
                 }
                 else
-                    pSNode = new SmAlignNode(CurToken);
+                    pSNode = new SmAlignNode(m_aCurToken);
 
                 NextToken();
             }
         }
         else
         {
-            pSNode = new SmAlignNode(CurToken);
+            pSNode = new SmAlignNode(m_aCurToken);
 
             NextToken();
 
@@ -1094,8 +1096,8 @@ void SmParser::Align()
         Insert('}', GetTokenIndex());
 
     if (pSNode)
-    {   pSNode->SetSubNodes(NodeStack.Pop(), 0);
-        NodeStack.Push(pSNode);
+    {   pSNode->SetSubNodes(m_aNodeStack.Pop(), 0);
+        m_aNodeStack.Push(pSNode);
     }
 }
 
@@ -1110,37 +1112,37 @@ void SmParser::Line()
     // start with single expression that may have an alignment statement
     // (and go on with expressions that must not have alignment
     // statements in 'while' loop below. See also 'Expression()'.)
-    if (CurToken.eType != TEND  &&  CurToken.eType != TNEWLINE)
+    if (m_aCurToken.eType != TEND  &&  m_aCurToken.eType != TNEWLINE)
     {   Align();
         ExpressionArray.resize(++n);
-        ExpressionArray[n - 1] = NodeStack.Pop();
+        ExpressionArray[n - 1] = m_aNodeStack.Pop();
     }
 
-    while (CurToken.eType != TEND  &&  CurToken.eType != TNEWLINE)
+    while (m_aCurToken.eType != TEND  &&  m_aCurToken.eType != TNEWLINE)
     {   if (CONVERT_40_TO_50 != GetConversion())
             Expression();
         else
             Align();
         ExpressionArray.resize(++n);
-        ExpressionArray[n - 1] = NodeStack.Pop();
+        ExpressionArray[n - 1] = m_aNodeStack.Pop();
     }
 
-    SmStructureNode *pSNode = new SmLineNode(CurToken);
+    SmStructureNode *pSNode = new SmLineNode(m_aCurToken);
     pSNode->SetSubNodes(ExpressionArray);
-    NodeStack.Push(pSNode);
+    m_aNodeStack.Push(pSNode);
 }
 
 
 void SmParser::Expression()
 {
     BOOL bUseExtraSpaces = TRUE;
-    SmNode *pNode = NodeStack.Pop();
+    SmNode *pNode = m_aNodeStack.Pop();
     if (pNode)
     {
         if (pNode->GetToken().eType == TNOSPACE)
             bUseExtraSpaces = FALSE;
         else
-            NodeStack.Push(pNode);  // push the node from above again (now to be used as argument to this current 'nospace' node)
+            m_aNodeStack.Push(pNode);  // push the node from above again (now to be used as argument to this current 'nospace' node)
     }
 
     USHORT       n = 0;
@@ -1150,18 +1152,18 @@ void SmParser::Expression()
 
     Relation();
     RelationArray.resize(++n);
-    RelationArray[n - 1] = NodeStack.Pop();
+    RelationArray[n - 1] = m_aNodeStack.Pop();
 
-    while (CurToken.nLevel >= 4)
+    while (m_aCurToken.nLevel >= 4)
     {   Relation();
         RelationArray.resize(++n);
-        RelationArray[n - 1] = NodeStack.Pop();
+        RelationArray[n - 1] = m_aNodeStack.Pop();
     }
 
-    SmExpressionNode *pSNode = new SmExpressionNode(CurToken);
+    SmExpressionNode *pSNode = new SmExpressionNode(m_aCurToken);
     pSNode->SetSubNodes(RelationArray);
     pSNode->SetUseExtraSpaces(bUseExtraSpaces);
-    NodeStack.Push(pSNode);
+    m_aNodeStack.Push(pSNode);
 }
 
 
@@ -1170,16 +1172,16 @@ void SmParser::Relation()
     Sum();
     while (TokenInGroup(TGRELATION))
     {
-        SmStructureNode *pSNode  = new SmBinHorNode(CurToken);
-        SmNode *pFirst = NodeStack.Pop();
+        SmStructureNode *pSNode  = new SmBinHorNode(m_aCurToken);
+        SmNode *pFirst = m_aNodeStack.Pop();
 
         OpSubSup();
-        SmNode *pSecond = NodeStack.Pop();
+        SmNode *pSecond = m_aNodeStack.Pop();
 
         Sum();
 
-        pSNode->SetSubNodes(pFirst, pSecond, NodeStack.Pop());
-        NodeStack.Push(pSNode);
+        pSNode->SetSubNodes(pFirst, pSecond, m_aNodeStack.Pop());
+        m_aNodeStack.Push(pSNode);
     }
 }
 
@@ -1189,16 +1191,16 @@ void SmParser::Sum()
     Product();
     while (TokenInGroup(TGSUM))
     {
-        SmStructureNode *pSNode  = new SmBinHorNode(CurToken);
-        SmNode *pFirst = NodeStack.Pop();
+        SmStructureNode *pSNode  = new SmBinHorNode(m_aCurToken);
+        SmNode *pFirst = m_aNodeStack.Pop();
 
         OpSubSup();
-        SmNode *pSecond = NodeStack.Pop();
+        SmNode *pSecond = m_aNodeStack.Pop();
 
         Product();
 
-        pSNode->SetSubNodes(pFirst, pSecond, NodeStack.Pop());
-        NodeStack.Push(pSNode);
+        pSNode->SetSubNodes(pFirst, pSecond, m_aNodeStack.Pop());
+        m_aNodeStack.Push(pSNode);
     }
 }
 
@@ -1209,32 +1211,32 @@ void SmParser::Product()
 
     while (TokenInGroup(TGPRODUCT))
     {   SmStructureNode *pSNode;
-        SmNode *pFirst = NodeStack.Pop(),
+        SmNode *pFirst = m_aNodeStack.Pop(),
                *pOper;
         BOOL bSwitchArgs = FALSE;
 
-        SmTokenType eType = CurToken.eType;
+        SmTokenType eType = m_aCurToken.eType;
         switch (eType)
         {
             case TOVER:
-                pSNode = new SmBinVerNode(CurToken);
-                pOper = new SmRectangleNode(CurToken);
+                pSNode = new SmBinVerNode(m_aCurToken);
+                pOper = new SmRectangleNode(m_aCurToken);
                 NextToken();
                 break;
 
             case TBOPER:
-                pSNode = new SmBinHorNode(CurToken);
+                pSNode = new SmBinHorNode(m_aCurToken);
 
                 NextToken();
 
                 GlyphSpecial();
-                pOper = NodeStack.Pop();
+                pOper = m_aNodeStack.Pop();
                 break;
 
             case TOVERBRACE :
             case TUNDERBRACE :
-                pSNode = new SmVerticalBraceNode(CurToken);
-                pOper = new SmMathSymbolNode(CurToken);
+                pSNode = new SmVerticalBraceNode(m_aCurToken);
+                pOper = new SmMathSymbolNode(m_aCurToken);
 
                 NextToken();
                 break;
@@ -1242,11 +1244,11 @@ void SmParser::Product()
             case TWIDEBACKSLASH:
             case TWIDESLASH:
             {
-                SmBinDiagonalNode *pSTmp = new SmBinDiagonalNode(CurToken);
+                SmBinDiagonalNode *pSTmp = new SmBinDiagonalNode(m_aCurToken);
                 pSTmp->SetAscending(eType == TWIDESLASH);
                 pSNode = pSTmp;
 
-                pOper = new SmPolyLineNode(CurToken);
+                pOper = new SmPolyLineNode(m_aCurToken);
                 NextToken();
 
                 bSwitchArgs =TRUE;
@@ -1254,20 +1256,20 @@ void SmParser::Product()
             }
 
             default:
-                pSNode = new SmBinHorNode(CurToken);
+                pSNode = new SmBinHorNode(m_aCurToken);
 
                 OpSubSup();
-                pOper = NodeStack.Pop();
+                pOper = m_aNodeStack.Pop();
         }
 
         Power();
 
         if (bSwitchArgs)
             //! vgl siehe SmBinDiagonalNode::Arrange
-            pSNode->SetSubNodes(pFirst, NodeStack.Pop(), pOper);
+            pSNode->SetSubNodes(pFirst, m_aNodeStack.Pop(), pOper);
         else
-            pSNode->SetSubNodes(pFirst, pOper, NodeStack.Pop());
-        NodeStack.Push(pSNode);
+            pSNode->SetSubNodes(pFirst, pOper, m_aNodeStack.Pop());
+        m_aNodeStack.Push(pSNode);
     }
 }
 
@@ -1281,8 +1283,8 @@ void SmParser::SubSup(ULONG nActiveGroup)
         // already finish
         return;
 
-    SmSubSupNode *pNode = new SmSubSupNode(CurToken);
-    //! Of course 'CurToken' is just the first sub-/supscript token.
+    SmSubSupNode *pNode = new SmSubSupNode(m_aCurToken);
+    //! Of course 'm_aCurToken' is just the first sub-/supscript token.
     //! It should be of no further interest. The positions of the
     //! sub-/supscripts will be identified by the corresponding subnodes
     //! index in the 'aSubNodes' array (enum value from 'SmSubSup').
@@ -1292,14 +1294,14 @@ void SmParser::SubSup(ULONG nActiveGroup)
     // initialize subnodes array
     SmNodeArray  aSubNodes;
     aSubNodes.resize(1 + SUBSUP_NUM_ENTRIES);
-    aSubNodes[0] = NodeStack.Pop();
+    aSubNodes[0] = m_aNodeStack.Pop();
     for (USHORT i = 1;  i < aSubNodes.size();  i++)
         aSubNodes[i] = NULL;
 
     // process all sub-/supscripts
     int  nIndex = 0;
     while (TokenInGroup(nActiveGroup))
-    {   SmTokenType  eType (CurToken.eType);
+    {   SmTokenType  eType (m_aCurToken.eType);
 
         // skip sub-/supscript token
         NextToken();
@@ -1332,18 +1334,18 @@ void SmParser::SubSup(ULONG nActiveGroup)
         // set sub-/supscript if not already done
         if (aSubNodes[nIndex] != NULL)
             Error(PE_DOUBLE_SUBSUPSCRIPT);
-        aSubNodes[nIndex] = NodeStack.Pop();
+        aSubNodes[nIndex] = m_aNodeStack.Pop();
     }
 
     pNode->SetSubNodes(aSubNodes);
-    NodeStack.Push(pNode);
+    m_aNodeStack.Push(pNode);
 }
 
 
 void SmParser::OpSubSup()
 {
     // push operator symbol
-    NodeStack.Push(new SmMathSymbolNode(CurToken));
+    m_aNodeStack.Push(new SmMathSymbolNode(m_aCurToken));
     // skip operator token
     NextToken();
     // get sub- supscripts if any
@@ -1364,28 +1366,28 @@ void SmParser::Power()
 void SmParser::Blank()
 {
     DBG_ASSERT(TokenInGroup(TGBLANK), "Sm : falsches Token");
-    SmBlankNode *pBlankNode = new SmBlankNode(CurToken);
+    SmBlankNode *pBlankNode = new SmBlankNode(m_aCurToken);
 
     while (TokenInGroup(TGBLANK))
     {
-        pBlankNode->IncreaseBy(CurToken);
+        pBlankNode->IncreaseBy(m_aCurToken);
         NextToken();
     }
 
     // Blanks am Zeilenende ignorieren wenn die entsprechende Option gesetzt ist
-    if ( CurToken.eType == TNEWLINE ||
-             (CurToken.eType == TEND && SM_MOD()->GetConfig()->IsIgnoreSpacesRight()) )
+    if ( m_aCurToken.eType == TNEWLINE ||
+             (m_aCurToken.eType == TEND && SM_MOD()->GetConfig()->IsIgnoreSpacesRight()) )
     {
         pBlankNode->Clear();
     }
 
-    NodeStack.Push(pBlankNode);
+    m_aNodeStack.Push(pBlankNode);
 }
 
 
 void SmParser::Term()
 {
-    switch (CurToken.eType)
+    switch (m_aCurToken.eType)
     {
         case TESCAPE :
             Escape();
@@ -1394,15 +1396,15 @@ void SmParser::Term()
         case TNOSPACE :
         case TLGROUP :
         {
-            bool bNoSpace = CurToken.eType == TNOSPACE;
+            bool bNoSpace = m_aCurToken.eType == TNOSPACE;
             if (bNoSpace)   // push 'no space' node and continue to parse expression
             {
-                NodeStack.Push(new SmExpressionNode(CurToken));
+                m_aNodeStack.Push(new SmExpressionNode(m_aCurToken));
                 NextToken();
             }
-            if (CurToken.eType != TLGROUP)
+            if (m_aCurToken.eType != TLGROUP)
             {
-                NodeStack.Pop();    // get rid of the 'no space' node pushed above
+                m_aNodeStack.Pop();    // get rid of the 'no space' node pushed above
                 Term();
             }
             else
@@ -1410,20 +1412,20 @@ void SmParser::Term()
                 NextToken();
 
                 // allow for empty group
-                if (CurToken.eType == TRGROUP)
+                if (m_aCurToken.eType == TRGROUP)
                 {
                     if (bNoSpace)   // get rid of the 'no space' node pushed above
-                        NodeStack.Pop();
-                    SmStructureNode *pSNode = new SmExpressionNode(CurToken);
+                        m_aNodeStack.Pop();
+                    SmStructureNode *pSNode = new SmExpressionNode(m_aCurToken);
                     pSNode->SetSubNodes(NULL, NULL);
-                    NodeStack.Push(pSNode);
+                    m_aNodeStack.Push(pSNode);
 
                     NextToken();
                 }
                 else    // go as usual
                 {
                     Align();
-                    if (CurToken.eType != TRGROUP)
+                    if (m_aCurToken.eType != TRGROUP)
                         Error(PE_RGROUP_EXPECTED);
                     else
                         NextToken();
@@ -1442,16 +1444,16 @@ void SmParser::Term()
             break;
 
         case TTEXT :
-            NodeStack.Push(new SmTextNode(CurToken, FNT_TEXT));
+            m_aNodeStack.Push(new SmTextNode(m_aCurToken, FNT_TEXT));
             NextToken();
             break;
         case TIDENT :
         case TCHARACTER :
-            NodeStack.Push(new SmTextNode(CurToken, FNT_VARIABLE));
+            m_aNodeStack.Push(new SmTextNode(m_aCurToken, FNT_VARIABLE));
             NextToken();
             break;
         case TNUMBER :
-            NodeStack.Push(new SmTextNode(CurToken, FNT_NUMBER));
+            m_aNodeStack.Push(new SmTextNode(m_aCurToken, FNT_NUMBER));
             NextToken();
             break;
 
@@ -1488,12 +1490,12 @@ void SmParser::Term()
         case TDOTSLOW :
         case TDOTSUP :
         case TDOTSVERT :
-            NodeStack.Push(new SmMathSymbolNode(CurToken));
+            m_aNodeStack.Push(new SmMathSymbolNode(m_aCurToken));
             NextToken();
             break;
 
         case TPLACE:
-            NodeStack.Push(new SmPlaceNode(CurToken));
+            m_aNodeStack.Push(new SmPlaceNode(m_aCurToken));
             NextToken();
             break;
 
@@ -1539,21 +1541,21 @@ void SmParser::Term()
                         FontAttribut();
 
                     // check if casting in following line is ok
-                    DBG_ASSERT(!NodeStack.Top()->IsVisible(), "Sm : Ooops...");
+                    DBG_ASSERT(!m_aNodeStack.Top()->IsVisible(), "Sm : Ooops...");
 
-                    aArray[n] = (SmStructureNode *) NodeStack.Pop();
+                    aArray[n] = (SmStructureNode *) m_aNodeStack.Pop();
                     n++;
                 }
 
                 Power();
 
-                SmNode *pFirstNode = NodeStack.Pop();
+                SmNode *pFirstNode = m_aNodeStack.Pop();
                 while (n > 0)
                 {   aArray[n - 1]->SetSubNodes(0, pFirstNode);
                     pFirstNode = aArray[n - 1];
                     n--;
                 }
-                NodeStack.Push(pFirstNode);
+                m_aNodeStack.Push(pFirstNode);
             }
             else if (TokenInGroup(TGFUNCTION))
             {   if (CONVERT_40_TO_50 != GetConversion())
@@ -1569,9 +1571,9 @@ void SmParser::Term()
                     //
                     Function();
 
-                    SmNode *pFunc = NodeStack.Pop();
+                    SmNode *pFunc = m_aNodeStack.Pop();
 
-                    if (CurToken.eType == TLPARENT)
+                    if (m_aCurToken.eType == TLPARENT)
                     {   Term();
                     }
                     else
@@ -1582,8 +1584,8 @@ void SmParser::Term()
                     Insert('}', GetTokenIndex());
 
                     SmStructureNode *pSNode = new SmExpressionNode(pFunc->GetToken());
-                    pSNode->SetSubNodes(pFunc, NodeStack.Pop());
-                    NodeStack.Push(pSNode);
+                    pSNode->SetSubNodes(pFunc, m_aNodeStack.Pop());
+                    m_aNodeStack.Push(pSNode);
                 }
             }
             else
@@ -1597,7 +1599,7 @@ void SmParser::Escape()
     NextToken();
 
     sal_Unicode cChar;
-    switch (CurToken.eType)
+    switch (m_aCurToken.eType)
     {   case TLPARENT :     cChar = MS_LPARENT;     break;
         case TRPARENT :     cChar = MS_RPARENT;     break;
         case TLBRACKET :    cChar = MS_LBRACKET;    break;
@@ -1622,8 +1624,8 @@ void SmParser::Escape()
             Error(PE_UNEXPECTED_TOKEN);
     }
 
-    SmNode *pNode = new SmMathSymbolNode(CurToken);
-    NodeStack.Push(pNode);
+    SmNode *pNode = new SmMathSymbolNode(m_aCurToken);
+    m_aNodeStack.Push(pNode);
 
     NextToken();
 }
@@ -1632,27 +1634,27 @@ void SmParser::Escape()
 void SmParser::Operator()
 {
     if (TokenInGroup(TGOPER))
-    {   SmStructureNode *pSNode = new SmOperNode(CurToken);
+    {   SmStructureNode *pSNode = new SmOperNode(m_aCurToken);
 
         // put operator on top of stack
         Oper();
 
         if (TokenInGroup(TGLIMIT) || TokenInGroup(TGPOWER))
-            SubSup(CurToken.nGroup);
-        SmNode *pOperator = NodeStack.Pop();
+            SubSup(m_aCurToken.nGroup);
+        SmNode *pOperator = m_aNodeStack.Pop();
 
         // get argument
         Power();
 
-        pSNode->SetSubNodes(pOperator, NodeStack.Pop());
-        NodeStack.Push(pSNode);
+        pSNode->SetSubNodes(pOperator, m_aNodeStack.Pop());
+        m_aNodeStack.Push(pSNode);
     }
 }
 
 
 void SmParser::Oper()
 {
-    SmTokenType  eType (CurToken.eType);
+    SmTokenType  eType (m_aCurToken.eType);
     SmNode      *pNode = NULL;
 
     switch (eType)
@@ -1666,7 +1668,7 @@ void SmParser::Oper()
         case TLINT :
         case TLLINT :
         case TLLLINT :
-            pNode = new SmMathSymbolNode(CurToken);
+            pNode = new SmMathSymbolNode(m_aCurToken);
             break;
 
         case TLIM :
@@ -1683,27 +1685,27 @@ void SmParser::Oper()
                         break;
                 }
                 if( pLim )
-                    CurToken.aText.AssignAscii( pLim );
-                pNode = new SmTextNode(CurToken, FNT_TEXT);
+                    m_aCurToken.aText.AssignAscii( pLim );
+                pNode = new SmTextNode(m_aCurToken, FNT_TEXT);
             }
             break;
 
         case TOVERBRACE :
         case TUNDERBRACE :
-                pNode = new SmMathSymbolNode(CurToken);
+                pNode = new SmMathSymbolNode(m_aCurToken);
             break;
 
         case TOPER :
             NextToken();
 
-            DBG_ASSERT(CurToken.eType == TSPECIAL, "Sm: falsches Token");
-            pNode = new SmGlyphSpecialNode(CurToken);
+            DBG_ASSERT(m_aCurToken.eType == TSPECIAL, "Sm: falsches Token");
+            pNode = new SmGlyphSpecialNode(m_aCurToken);
             break;
 
         default :
             DBG_ASSERT(0, "Sm: unbekannter Fall");
     }
-    NodeStack.Push(pNode);
+    m_aNodeStack.Push(pNode);
 
     NextToken();
 }
@@ -1713,8 +1715,8 @@ void SmParser::UnOper()
 {
     DBG_ASSERT(TokenInGroup(TGUNOPER), "Sm: falsches Token");
 
-    SmToken      aNodeToken = CurToken;
-    SmTokenType  eType      = CurToken.eType;
+    SmToken      aNodeToken = m_aCurToken;
+    SmTokenType  eType      = m_aCurToken.eType;
     BOOL         bIsPostfix = eType == TFACT;
 
     SmStructureNode *pSNode;
@@ -1732,13 +1734,13 @@ void SmParser::UnOper()
         case TNROOT :
             NextToken();
             Power();
-            pExtra = NodeStack.Pop();
+            pExtra = m_aNodeStack.Pop();
             break;
 
         case TUOPER :
             NextToken();
             GlyphSpecial();
-            pOper = NodeStack.Pop();
+            pOper = m_aNodeStack.Pop();
             break;
 
         case TPLUS :
@@ -1748,7 +1750,7 @@ void SmParser::UnOper()
         case TNEG :
         case TFACT :
             OpSubSup();
-            pOper = NodeStack.Pop();
+            pOper = m_aNodeStack.Pop();
             break;
 
         default :
@@ -1757,7 +1759,7 @@ void SmParser::UnOper()
 
     // get argument
     Power();
-    pArg = NodeStack.Pop();
+    pArg = m_aNodeStack.Pop();
 
     if (eType == TABS)
     {   pSNode = new SmBraceNode(aNodeToken);
@@ -1791,7 +1793,7 @@ void SmParser::UnOper()
             pSNode->SetSubNodes(pOper, pArg);
     }
 
-    NodeStack.Push(pSNode);
+    m_aNodeStack.Push(pSNode);
 }
 
 
@@ -1799,35 +1801,35 @@ void SmParser::Attribut()
 {
     DBG_ASSERT(TokenInGroup(TGATTRIBUT), "Sm: falsche Tokengruppe");
 
-    SmStructureNode *pSNode = new SmAttributNode(CurToken);
+    SmStructureNode *pSNode = new SmAttributNode(m_aCurToken);
     SmNode      *pAttr;
     SmScaleMode  eScaleMode = SCALE_NONE;
 
     // get appropriate node for the attribut itself
-    switch (CurToken.eType)
+    switch (m_aCurToken.eType)
     {   case TUNDERLINE :
         case TOVERLINE :
         case TOVERSTRIKE :
-            pAttr = new SmRectangleNode(CurToken);
+            pAttr = new SmRectangleNode(m_aCurToken);
             eScaleMode = SCALE_WIDTH;
             break;
 
         case TWIDEVEC :
         case TWIDEHAT :
         case TWIDETILDE :
-            pAttr = new SmMathSymbolNode(CurToken);
+            pAttr = new SmMathSymbolNode(m_aCurToken);
             eScaleMode = SCALE_WIDTH;
             break;
 
         default :
-            pAttr = new SmMathSymbolNode(CurToken);
+            pAttr = new SmMathSymbolNode(m_aCurToken);
     }
 
     NextToken();
 
     pSNode->SetSubNodes(pAttr, 0);
     pSNode->SetScaleMode(eScaleMode);
-    NodeStack.Push(pSNode);
+    m_aNodeStack.Push(pSNode);
 }
 
 
@@ -1835,14 +1837,14 @@ void SmParser::FontAttribut()
 {
     DBG_ASSERT(TokenInGroup(TGFONTATTR), "Sm: falsche Tokengruppe");
 
-    switch (CurToken.eType)
+    switch (m_aCurToken.eType)
     {
         case TITALIC :
         case TNITALIC :
         case TBOLD :
         case TNBOLD :
         case TPHANTOM :
-            NodeStack.Push(new SmFontNode(CurToken));
+            m_aNodeStack.Push(new SmFontNode(m_aCurToken));
             NextToken();
             break;
 
@@ -1866,7 +1868,7 @@ void SmParser::FontAttribut()
 
 void SmParser::Color()
 {
-    DBG_ASSERT(CurToken.eType == TCOLOR, "Sm : Ooops...");
+    DBG_ASSERT(m_aCurToken.eType == TCOLOR, "Sm : Ooops...");
 
     // last color rules, get that one
     SmToken  aToken;
@@ -1874,20 +1876,20 @@ void SmParser::Color()
     {   NextToken();
 
         if (TokenInGroup(TGCOLOR))
-        {   aToken = CurToken;
+        {   aToken = m_aCurToken;
             NextToken();
         }
         else
             Error(PE_COLOR_EXPECTED);
-    } while (CurToken.eType == TCOLOR);
+    } while (m_aCurToken.eType == TCOLOR);
 
-    NodeStack.Push(new SmFontNode(aToken));
+    m_aNodeStack.Push(new SmFontNode(aToken));
 }
 
 
 void SmParser::Font()
 {
-    DBG_ASSERT(CurToken.eType == TFONT, "Sm : Ooops...");
+    DBG_ASSERT(m_aCurToken.eType == TFONT, "Sm : Ooops...");
 
     // last font rules, get that one
     SmToken  aToken;
@@ -1895,14 +1897,14 @@ void SmParser::Font()
     {   NextToken();
 
         if (TokenInGroup(TGFONT))
-        {   aToken = CurToken;
+        {   aToken = m_aCurToken;
             NextToken();
         }
         else
             Error(PE_FONT_EXPECTED);
-    } while (CurToken.eType == TFONT);
+    } while (m_aCurToken.eType == TFONT);
 
-    NodeStack.Push(new SmFontNode(aToken));
+    m_aNodeStack.Push(new SmFontNode(aToken));
 }
 
 
@@ -1930,14 +1932,14 @@ BOOL lcl_IsNumber(const UniString& rText)
 
 void SmParser::FontSize()
 {
-    DBG_ASSERT(CurToken.eType == TSIZE, "Sm : Ooops...");
+    DBG_ASSERT(m_aCurToken.eType == TSIZE, "Sm : Ooops...");
 
     USHORT     Type;
-    SmFontNode *pFontNode = new SmFontNode(CurToken);
+    SmFontNode *pFontNode = new SmFontNode(m_aCurToken);
 
     NextToken();
 
-    switch (CurToken.eType)
+    switch (m_aCurToken.eType)
     {
         case TNUMBER:   Type = FNTSIZ_ABSOLUT;  break;
         case TPLUS:     Type = FNTSIZ_PLUS;     break;
@@ -1954,7 +1956,7 @@ void SmParser::FontSize()
     if (Type != FNTSIZ_ABSOLUT)
     {
         NextToken();
-        if (CurToken.eType != TNUMBER)
+        if (m_aCurToken.eType != TNUMBER)
         {
             delete pFontNode;
             Error(PE_SIZE_EXPECTED);
@@ -1964,10 +1966,10 @@ void SmParser::FontSize()
 
     // get number argument
     Fraction  aValue( 1L );
-    if (lcl_IsNumber( CurToken.aText ))
+    if (lcl_IsNumber( m_aCurToken.aText ))
     {
         double    fTmp;
-        if ((fTmp = CurToken.aText.ToDouble()) != 0.0)
+        if ((fTmp = m_aCurToken.aText.ToDouble()) != 0.0)
         {
             aValue = fTmp;
 
@@ -1993,23 +1995,23 @@ void SmParser::FontSize()
     NextToken();
 
     pFontNode->SetSizeParameter(aValue, Type);
-    NodeStack.Push(pFontNode);
+    m_aNodeStack.Push(pFontNode);
 }
 
 
 void SmParser::Brace()
 {
-    DBG_ASSERT(CurToken.eType == TLEFT  ||  TokenInGroup(TGLBRACES),
+    DBG_ASSERT(m_aCurToken.eType == TLEFT  ||  TokenInGroup(TGLBRACES),
         "Sm: kein Klammer Ausdruck");
 
-    SmStructureNode *pSNode  = new SmBraceNode(CurToken);
+    SmStructureNode *pSNode  = new SmBraceNode(m_aCurToken);
     SmNode *pBody   = 0,
            *pLeft   = 0,
            *pRight  = 0;
     SmScaleMode   eScaleMode = SCALE_NONE;
     SmParseError  eError     = PE_NONE;
 
-    if (CurToken.eType == TLEFT)
+    if (m_aCurToken.eType == TLEFT)
     {   NextToken();
 
         eScaleMode = SCALE_HEIGHT;
@@ -2017,19 +2019,19 @@ void SmParser::Brace()
         // check for left bracket
         if (TokenInGroup(TGLBRACES) || TokenInGroup(TGRBRACES))
         {
-            pLeft = new SmMathSymbolNode(CurToken);
+            pLeft = new SmMathSymbolNode(m_aCurToken);
 
             NextToken();
             Bracebody(TRUE);
-            pBody = NodeStack.Pop();
+            pBody = m_aNodeStack.Pop();
 
-            if (CurToken.eType == TRIGHT)
+            if (m_aCurToken.eType == TRIGHT)
             {   NextToken();
 
                 // check for right bracket
                 if (TokenInGroup(TGLBRACES) || TokenInGroup(TGRBRACES))
                 {
-                    pRight = new SmMathSymbolNode(CurToken);
+                    pRight = new SmMathSymbolNode(m_aCurToken);
                     NextToken();
                 }
                 else
@@ -2045,11 +2047,11 @@ void SmParser::Brace()
     {
         if (TokenInGroup(TGLBRACES))
         {
-            pLeft = new SmMathSymbolNode(CurToken);
+            pLeft = new SmMathSymbolNode(m_aCurToken);
 
             NextToken();
             Bracebody(FALSE);
-            pBody = NodeStack.Pop();
+            pBody = m_aNodeStack.Pop();
 
             SmTokenType  eExpectedType = TUNKNOWN;
             switch (pLeft->GetToken().eType)
@@ -2066,9 +2068,9 @@ void SmParser::Brace()
                     DBG_ASSERT(0, "Sm: unbekannter Fall");
             }
 
-            if (CurToken.eType == eExpectedType)
+            if (m_aCurToken.eType == eExpectedType)
             {
-                pRight = new SmMathSymbolNode(CurToken);
+                pRight = new SmMathSymbolNode(m_aCurToken);
                 NextToken();
             }
             else
@@ -2083,7 +2085,7 @@ void SmParser::Brace()
         DBG_ASSERT(pRight, "Sm: NULL pointer");
         pSNode->SetSubNodes(pLeft, pBody, pRight);
         pSNode->SetScaleMode(eScaleMode);
-        NodeStack.Push(pSNode);
+        m_aNodeStack.Push(pSNode);
     }
     else
     {   delete pSNode;
@@ -2098,7 +2100,7 @@ void SmParser::Brace()
 
 void SmParser::Bracebody(BOOL bIsLeftRight)
 {
-    SmStructureNode *pBody = new SmBracebodyNode(CurToken);
+    SmStructureNode *pBody = new SmBracebodyNode(m_aCurToken);
     SmNodeArray      aNodes;
     USHORT           nNum = 0;
 
@@ -2107,28 +2109,28 @@ void SmParser::Bracebody(BOOL bIsLeftRight)
     {
         do
         {
-            if (CurToken.eType == TMLINE)
+            if (m_aCurToken.eType == TMLINE)
             {
-                NodeStack.Push(new SmMathSymbolNode(CurToken));
+                m_aNodeStack.Push(new SmMathSymbolNode(m_aCurToken));
                 NextToken();
                 nNum++;
             }
-            else if (CurToken.eType != TRIGHT)
+            else if (m_aCurToken.eType != TRIGHT)
             {   Align();
                 nNum++;
 
-                if (CurToken.eType != TMLINE  &&  CurToken.eType != TRIGHT)
+                if (m_aCurToken.eType != TMLINE  &&  m_aCurToken.eType != TRIGHT)
                     Error(PE_RIGHT_EXPECTED);
             }
-        } while (CurToken.eType != TEND  &&  CurToken.eType != TRIGHT);
+        } while (m_aCurToken.eType != TEND  &&  m_aCurToken.eType != TRIGHT);
     }
     else
     {
         do
         {
-            if (CurToken.eType == TMLINE)
+            if (m_aCurToken.eType == TMLINE)
             {
-                NodeStack.Push(new SmMathSymbolNode(CurToken));
+                m_aNodeStack.Push(new SmMathSymbolNode(m_aCurToken));
                 NextToken();
                 nNum++;
             }
@@ -2136,26 +2138,26 @@ void SmParser::Bracebody(BOOL bIsLeftRight)
             {   Align();
                 nNum++;
 
-                if (CurToken.eType != TMLINE  &&  !TokenInGroup(TGRBRACES))
+                if (m_aCurToken.eType != TMLINE  &&  !TokenInGroup(TGRBRACES))
                     Error(PE_RBRACE_EXPECTED);
             }
-        } while (CurToken.eType != TEND  &&  !TokenInGroup(TGRBRACES));
+        } while (m_aCurToken.eType != TEND  &&  !TokenInGroup(TGRBRACES));
     }
 
     // build argument vector in parsing order
     aNodes.resize(nNum);
     for (USHORT i = 0;  i < nNum;  i++)
-        aNodes[nNum - 1 - i] = NodeStack.Pop();
+        aNodes[nNum - 1 - i] = m_aNodeStack.Pop();
 
     pBody->SetSubNodes(aNodes);
     pBody->SetScaleMode(bIsLeftRight ? SCALE_HEIGHT : SCALE_NONE);
-    NodeStack.Push(pBody);
+    m_aNodeStack.Push(pBody);
 }
 
 
 void SmParser::Function()
 {
-    switch (CurToken.eType)
+    switch (m_aCurToken.eType)
     {
         case TFUNC:
             NextToken();    // skip "FUNC"-statement
@@ -2180,7 +2182,7 @@ void SmParser::Function()
         case TLN :
         case TLOG :
         case TEXP :
-            NodeStack.Push(new SmTextNode(CurToken, FNT_FUNCTION));
+            m_aNodeStack.Push(new SmTextNode(m_aCurToken, FNT_FUNCTION));
             NextToken();
             break;
 
@@ -2193,7 +2195,7 @@ void SmParser::Function()
 void SmParser::Binom()
 {
     SmNodeArray  ExpressionArray;
-    SmStructureNode *pSNode = new SmTableNode(CurToken);
+    SmStructureNode *pSNode = new SmTableNode(m_aCurToken);
 
     NextToken();
 
@@ -2203,10 +2205,10 @@ void SmParser::Binom()
     ExpressionArray.resize(2);
 
     for (int i = 0;  i < 2;  i++)
-        ExpressionArray[2 - (i + 1)] = NodeStack.Pop();
+        ExpressionArray[2 - (i + 1)] = m_aNodeStack.Pop();
 
     pSNode->SetSubNodes(ExpressionArray);
-    NodeStack.Push(pSNode);
+    m_aNodeStack.Push(pSNode);
 }
 
 
@@ -2214,7 +2216,7 @@ void SmParser::Stack()
 {
     SmNodeArray  ExpressionArray;
     NextToken();
-    if (CurToken.eType == TLGROUP)
+    if (m_aCurToken.eType == TLGROUP)
     {
         USHORT n = 0;
 
@@ -2224,21 +2226,21 @@ void SmParser::Stack()
             Align();
             n++;
         }
-        while (CurToken.eType == TPOUND);
+        while (m_aCurToken.eType == TPOUND);
 
         ExpressionArray.resize(n);
 
         for (USHORT i = 0; i < n; i++)
-            ExpressionArray[n - (i + 1)] = NodeStack.Pop();
+            ExpressionArray[n - (i + 1)] = m_aNodeStack.Pop();
 
-        if (CurToken.eType != TRGROUP)
+        if (m_aCurToken.eType != TRGROUP)
             Error(PE_RGROUP_EXPECTED);
 
         NextToken();
 
-        SmStructureNode *pSNode = new SmTableNode(CurToken);
+        SmStructureNode *pSNode = new SmTableNode(m_aCurToken);
         pSNode->SetSubNodes(ExpressionArray);
-        NodeStack.Push(pSNode);
+        m_aNodeStack.Push(pSNode);
     }
     else
         Error(PE_LGROUP_EXPECTED);
@@ -2250,7 +2252,7 @@ void SmParser::Matrix()
     SmNodeArray  ExpressionArray;
 
     NextToken();
-    if (CurToken.eType == TLGROUP)
+    if (m_aCurToken.eType == TLGROUP)
     {
         USHORT c = 0;
 
@@ -2260,11 +2262,11 @@ void SmParser::Matrix()
             Align();
             c++;
         }
-        while (CurToken.eType == TPOUND);
+        while (m_aCurToken.eType == TPOUND);
 
         USHORT r = 1;
 
-        while (CurToken.eType == TDPOUND)
+        while (m_aCurToken.eType == TDPOUND)
         {
             NextToken();
             for (USHORT i = 0; i < c; i++)
@@ -2272,7 +2274,7 @@ void SmParser::Matrix()
                 Align();
                 if (i < (c - 1))
                 {
-                    if (CurToken.eType == TPOUND)
+                    if (m_aCurToken.eType == TPOUND)
                     {
                         NextToken();
                     }
@@ -2289,17 +2291,17 @@ void SmParser::Matrix()
         ExpressionArray.resize(nRC);
 
         for (USHORT i = 0; i < (nRC); i++)
-            ExpressionArray[(nRC) - (i + 1)] = NodeStack.Pop();
+            ExpressionArray[(nRC) - (i + 1)] = m_aNodeStack.Pop();
 
-        if (CurToken.eType != TRGROUP)
+        if (m_aCurToken.eType != TRGROUP)
             Error(PE_RGROUP_EXPECTED);
 
         NextToken();
 
-        SmMatrixNode *pMNode = new SmMatrixNode(CurToken);
+        SmMatrixNode *pMNode = new SmMatrixNode(m_aCurToken);
         pMNode->SetSubNodes(ExpressionArray);
         pMNode->SetRowCol(r, c);
-        NodeStack.Push(pMNode);
+        m_aNodeStack.Push(pMNode);
     }
     else
         Error(PE_LGROUP_EXPECTED);
@@ -2309,7 +2311,7 @@ void SmParser::Matrix()
 void SmParser::Special()
 {
     BOOL bReplace = FALSE;
-    String &rName = CurToken.aText;
+    String &rName = m_aCurToken.aText;
     String aNewName;
 
     if (CONVERT_NONE == GetConversion())
@@ -2376,28 +2378,33 @@ void SmParser::Special()
         rName = aNewName;
     }
 
-    NodeStack.Push(new SmSpecialNode(CurToken));
+    // add symbol name to list of used symbols
+    const String aSymbolName( m_aCurToken.aText.Copy( 1 ) );
+    if (aSymbolName.Len() > 0 )
+        AddToUsedSymbols( aSymbolName );
+
+    m_aNodeStack.Push(new SmSpecialNode(m_aCurToken));
     NextToken();
 }
 
 
 void SmParser::GlyphSpecial()
 {
-    NodeStack.Push(new SmGlyphSpecialNode(CurToken));
+    m_aNodeStack.Push(new SmGlyphSpecialNode(m_aCurToken));
     NextToken();
 }
 
 
 void SmParser::Error(SmParseError eError)
 {
-    SmStructureNode *pSNode = new SmExpressionNode(CurToken);
-    SmErrorNode     *pErr   = new SmErrorNode(eError, CurToken);
+    SmStructureNode *pSNode = new SmExpressionNode(m_aCurToken);
+    SmErrorNode     *pErr   = new SmErrorNode(eError, m_aCurToken);
     pSNode->SetSubNodes(pErr, 0);
 
     //! put a structure node on the stack (instead of the error node itself)
     //! because sometimes such a node is expected in order to attach some
     //! subnodes
-    NodeStack.Push(pSNode);
+    m_aNodeStack.Push(pSNode);
 
     AddError(eError, pSNode);
 
@@ -2410,34 +2417,36 @@ void SmParser::Error(SmParseError eError)
 
 SmParser::SmParser()
 {
-    eConversion = CONVERT_NONE;
-    bImportSymNames = bExportSymNames = FALSE;
-    nLang = Application::GetSettings().GetUILanguage();
+    m_eConversion = CONVERT_NONE;
+    m_bImportSymNames = m_bExportSymNames = FALSE;
+    m_nLang = Application::GetSettings().GetUILanguage();
 }
 
 
 SmNode *SmParser::Parse(const String &rBuffer)
 {
-    BufferString = rBuffer;
-    BufferString.ConvertLineEnd( LINEEND_LF );
-    BufferIndex  =
-    nTokenIndex  = 0;
-    Row          = 1;
-    ColOff       = 0;
-    CurError     = -1;
+    ClearUsedSymbols();
+
+    m_aBufferString = rBuffer;
+    m_aBufferString.ConvertLineEnd( LINEEND_LF );
+    m_nBufferIndex =
+    m_nTokenIndex  = 0;
+    m_Row          = 1;
+    m_nColOff      = 0;
+    m_nCurError       = -1;
 
-    for (USHORT i = 0;  i < ErrDescList.Count();  i++)
-        delete ErrDescList.Remove(i);
+    for (USHORT i = 0;  i < m_aErrDescList.Count();  i++)
+        delete m_aErrDescList.Remove(i);
 
-    ErrDescList.Clear();
+    m_aErrDescList.Clear();
 
-    NodeStack.Clear();
+    m_aNodeStack.Clear();
 
     SetLanguage( Application::GetSettings().GetUILanguage() );
     NextToken();
     Table();
 
-    return NodeStack.Pop();
+    return m_aNodeStack.Pop();
 }
 
 
@@ -2471,20 +2480,20 @@ USHORT SmParser::AddError(SmParseError Type, SmNode *pNode)
     }
     pErrDesc->Text += SmResId(nRID);
 
-    ErrDescList.Insert(pErrDesc);
+    m_aErrDescList.Insert(pErrDesc);
 
-    return (USHORT) ErrDescList.GetPos(pErrDesc);
+    return (USHORT) m_aErrDescList.GetPos(pErrDesc);
 }
 
 
 const SmErrorDesc  *SmParser::NextError()
 {
-    if (ErrDescList.Count())
-        if (CurError > 0) return ErrDescList.Seek(--CurError);
+    if (m_aErrDescList.Count())
+        if (m_nCurError > 0) return m_aErrDescList.Seek(--m_nCurError);
         else
         {
-            CurError = 0;
-            return ErrDescList.Seek(CurError);
+            m_nCurError = 0;
+            return m_aErrDescList.Seek(m_nCurError);
         }
     else return 0;
 }
@@ -2492,12 +2501,12 @@ const SmErrorDesc  *SmParser::NextError()
 
 const SmErrorDesc  *SmParser::PrevError()
 {
-    if (ErrDescList.Count())
-        if (CurError < (int) (ErrDescList.Count() - 1)) return ErrDescList.Seek(++CurError);
+    if (m_aErrDescList.Count())
+        if (m_nCurError < (int) (m_aErrDescList.Count() - 1)) return m_aErrDescList.Seek(++m_nCurError);
         else
         {
-            CurError = (int) (ErrDescList.Count() - 1);
-            return ErrDescList.Seek(CurError);
+            m_nCurError = (int) (m_aErrDescList.Count() - 1);
+            return m_aErrDescList.Seek(m_nCurError);
         }
     else return 0;
 }
@@ -2505,9 +2514,9 @@ const SmErrorDesc  *SmParser::PrevError()
 
 const SmErrorDesc  *SmParser::GetError(USHORT i)
 {
-    return (/*i >= 0  &&*/  i < ErrDescList.Count())
-               ? ErrDescList.Seek(i)
-               : ErrDescList.Seek(CurError);
+    return (/*i >= 0  &&*/  i < m_aErrDescList.Count())
+               ? m_aErrDescList.Seek(i)
+               : m_aErrDescList.Seek(m_nCurError);
 }
 
 
diff --git a/starmath/source/smmod.cxx b/starmath/source/smmod.cxx
index 9dcd4d05930d..4e3eebf99a65 100644..100755
--- a/starmath/source/smmod.cxx
+++ b/starmath/source/smmod.cxx
@@ -352,6 +352,7 @@ SfxItemSet*  SmModule::CreateItemSet( USHORT nId )
                              SID_PRINTTEXT,         SID_PRINTTEXT,
                              SID_PRINTFRAME,        SID_PRINTFRAME,
                              SID_NO_RIGHT_SPACES,   SID_NO_RIGHT_SPACES,
+                             SID_SAVE_ONLY_USED_SYMBOLS, SID_SAVE_ONLY_USED_SYMBOLS,
                              0 );
 
             GetConfig()->ConfigToItemSet(*pRet);
diff --git a/starmath/source/smres.src b/starmath/source/smres.src
index 601472b62f5a..41edb1790198 100755
--- a/starmath/source/smres.src
+++ b/starmath/source/smres.src
@@ -1099,6 +1099,13 @@ TabPage RID_PRINTOPTIONPAGE
         Size = MAP_APPFONT ( 236 , 10 ) ;
         Text [ en-US ] = "Ig~nore ~~ and ` at the end of the line";
     };
+    CheckBox CB_SAVE_ONLY_USED_SYMBOLS
+    {
+        TabStop = TRUE ;
+        Pos = MAP_APPFONT ( 12 , 154 ) ;
+        Size = MAP_APPFONT ( 236 , 10 ) ;
+        Text [ en-US ] = "Embed only used symbols (smaller file size)";
+    };
 };
 
 ModalDialog RID_SYMBOLDIALOG
diff --git a/starmath/source/symbol.cxx b/starmath/source/symbol.cxx
index 52d0520ae61b..bd3420773587 100644
--- a/starmath/source/symbol.cxx
+++ b/starmath/source/symbol.cxx
@@ -218,14 +218,19 @@ bool SmSymbolManager::AddOrReplaceSymbol( const SmSym &rSymbol, bool bForceChang
         }
         else if (pFound && !bForceChange && bSymbolConflict)
         {
-                // TODO: but what ...
-                DBG_ASSERT( 0, "symbol conflict, different symbol with same name found!" );
+            // TODO: to solve this a document owned symbol manager would be required ...
+            // But for now we have a global one to easily support availability of all
+            // symbols in all formulas. A copy of the global one would be needed here
+            // and then the new symbol has to be forcefully applied. This would keep
+            // the current formula intact but will leave the set of symbols in the
+            // global symbol manager somewhat to chance.
+            DBG_ASSERT( 0, "symbol conflict, different symbol with same name found!" );
         }
-    }
 
-    DBG_ASSERT( bAdded, "failed to add symbol" );
-    if (bAdded)
-        m_bModified = true;
+        if (bAdded)
+            m_bModified = true;
+        DBG_ASSERT( bAdded || (pFound && !bSymbolConflict), "AddOrReplaceSymbol: unresolved symbol conflict" );
+    }
 
     return bAdded;
 }
diff --git a/starmath/source/unomodel.cxx b/starmath/source/unomodel.cxx
index 6520f9e8acf7..3aa9001f8319 100755
--- a/starmath/source/unomodel.cxx
+++ b/starmath/source/unomodel.cxx
@@ -171,7 +171,11 @@ SmPrintUIOptions::SmPrintUIOptions()
 //
 // class SmModel
 //
-#define PROPERTY_NONE 0
+
+// values from com/sun/star/beans/PropertyAttribute
+#define PROPERTY_NONE        0
+#define PROPERTY_READONLY   16
+
 enum SmModelPropertyHandles
 {
     HANDLE_FORMULA,
@@ -233,6 +237,7 @@ enum SmModelPropertyHandles
     HANDLE_PRINTER_NAME,
     HANDLE_PRINTER_SETUP,
     HANDLE_SYMBOLS,
+    HANDLE_USED_SYMBOLS,
     HANDLE_BASIC_LIBRARIES,     /* #93295# */
     HANDLE_RUNTIME_UID,
     // --> PB 2004-08-25 #i33095# Security Options
@@ -307,6 +312,7 @@ PropertySetInfo * lcl_createModelPropertyInfo ()
         { RTL_CONSTASCII_STRINGPARAM( "RightMargin"                       ),    HANDLE_RIGHT_MARGIN                  ,      &::getCppuType((const sal_Int16*)0),    PROPERTY_NONE, DIS_RIGHTSPACE               },
         { RTL_CONSTASCII_STRINGPARAM( "RuntimeUID"                      ), HANDLE_RUNTIME_UID                        ,      &::getCppuType(static_cast< const rtl::OUString * >(0)),    PropertyAttribute::READONLY, 0 },
         { RTL_CONSTASCII_STRINGPARAM( "Symbols"                       ),        HANDLE_SYMBOLS                       ,      &::getCppuType((const Sequence < SymbolDescriptor > *)0),   PROPERTY_NONE, 0  },
+        { RTL_CONSTASCII_STRINGPARAM( "UserDefinedSymbolsInUse"       ),        HANDLE_USED_SYMBOLS                  ,      &::getCppuType((const Sequence < SymbolDescriptor > *)0),   PropertyAttribute::READONLY, 0  },
         { RTL_CONSTASCII_STRINGPARAM( "TopMargin"                         ),    HANDLE_TOP_MARGIN                    ,      &::getCppuType((const sal_Int16*)0),    PROPERTY_NONE, DIS_TOPSPACE               },
         // --> PB 2004-08-25 #i33095# Security Options
         { RTL_CONSTASCII_STRINGPARAM( "LoadReadonly" ), HANDLE_LOAD_READONLY, &::getBooleanCppuType(), PROPERTY_NONE, 0 },
@@ -904,7 +910,11 @@ void SmModel::_getPropertyValues( const PropertyMapEntry **ppEntries, Any *pValu
             }
             break;
             case HANDLE_SYMBOLS:
+            case HANDLE_USED_SYMBOLS:
             {
+                const bool bUsedSymbolsOnly = (*ppEntries)->mnHandle == HANDLE_USED_SYMBOLS;
+                const std::set< rtl::OUString > &rUsedSymbols = pDocSh->GetUsedSymbols();
+
                 // this is get
                 SmModule *pp = SM_MOD();
                 const SmSymbolManager &rManager = pp->GetSymbolManager();
@@ -915,7 +925,9 @@ void SmModel::_getPropertyValues( const PropertyMapEntry **ppEntries, Any *pValu
                 for (size_t i = 0; i < aSymbols.size(); ++i)
                 {
                     const SmSym * pSymbol = aSymbols[ i ];
-                    if (pSymbol && !pSymbol->IsPredefined () )
+                    const bool bIsUsedSymbol = rUsedSymbols.find( pSymbol->GetName() ) != rUsedSymbols.end();
+                    if (pSymbol && !pSymbol->IsPredefined() &&
+                        (!bUsedSymbolsOnly || bIsUsedSymbol))
                     {
                         aVector.push_back ( pSymbol );
                         nCount++;
diff --git a/starmath/source/view.cxx b/starmath/source/view.cxx
index ad9ff8e618f0..5d2d624c285e 100755
--- a/starmath/source/view.cxx
+++ b/starmath/source/view.cxx
@@ -34,6 +34,9 @@
 #include <com/sun/star/accessibility/AccessibleStateType.hpp>
 #include <com/sun/star/accessibility/XAccessible.hpp>
 #include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/frame/XDesktop.hpp>
+#include <com/sun/star/frame/XFramesSupplier.hpp>
+#include <com/sun/star/container/XChild.hpp>
 
 #include <comphelper/processfactory.hxx>
 #include <comphelper/storagehelper.hxx>
@@ -652,7 +655,51 @@ void SmCmdBoxWindow::StateChanged( StateChangedType nStateChange )
 
 IMPL_LINK( SmCmdBoxWindow, InitialFocusTimerHdl, Timer *, EMPTYARG /*pTimer*/ )
 {
-    aEdit.GrabFocus();
+    // We want to have the focus in the edit window once Math has been opened
+    // to allow for immediate typing.
+    // Problem: There is no proper way to do this
+    // Thus: this timer based soultion has been implemented (see GrabFocus below)
+    //
+    // Follow-up problem (#i114910): grabing the focus may bust the help system since
+    // it relies on getting the current frame which conflicts with grabbing the focus.
+    // Thus aside from the 'GrabFocus' call everything else is to get the
+    // help reliably working despite using 'GrabFocus'.
+
+    try
+    {
+        uno::Reference< frame::XDesktop > xDesktop;
+        uno::Reference< lang::XMultiServiceFactory > xSMGR( comphelper::getProcessServiceFactory() );
+        if (xSMGR.is())
+        {
+            xDesktop = uno::Reference< frame::XDesktop >(
+                xSMGR->createInstance( rtl::OUString::createFromAscii( "com.sun.star.frame.Desktop" )), uno::UNO_QUERY_THROW );
+        }
+
+        aEdit.GrabFocus();
+
+        if (xDesktop.is())
+        {
+            bool bInPlace = GetView()->GetViewFrame()->GetFrame().IsInPlace();
+            uno::Reference< frame::XFrame > xFrame( GetBindings().GetDispatcher()->GetFrame()->GetFrame().GetFrameInterface());
+            if ( bInPlace )
+            {
+                uno::Reference< container::XChild > xModel( GetView()->GetDoc()->GetModel(), uno::UNO_QUERY_THROW );
+                uno::Reference< frame::XModel > xParent( xModel->getParent(), uno::UNO_QUERY_THROW );
+                uno::Reference< frame::XController > xParentCtrler( xParent->getCurrentController() );
+                uno::Reference< frame::XFramesSupplier > xParentFrame( xParentCtrler->getFrame(), uno::UNO_QUERY_THROW );
+                xParentFrame->setActiveFrame( xFrame );
+            }
+            else
+            {
+                uno::Reference< frame::XFramesSupplier > xFramesSupplier( xDesktop, uno::UNO_QUERY );
+                xFramesSupplier->setActiveFrame( xFrame );
+            }
+        }
+    }
+    catch (uno::Exception &)
+    {
+        DBG_ASSERT( 0, "failed to properly set initial focus to edit window" );
+    }
     return 0;
 }