sw: Use appropriate OUString functions on string constants

Change-Id: I9c3e03324c69beb5af4c43da208086600876f875

77 files changed, 198 insertions, 200 deletions

diff --git a/sw/inc/PostItMgr.hxx b/sw/inc/PostItMgr.hxx
index 1334ee43291d..948445e84048 100644
--- a/sw/inc/PostItMgr.hxx
+++ b/sw/inc/PostItMgr.hxx
@@ -123,7 +123,7 @@ class SwNoteProps: public utl::ConfigItem
             {
                 aNames.realloc(1);
                 OUString* pNames = aNames.getArray();
-                pNames[0] = OUString("ShowAnkor");
+                pNames[0] = "ShowAnkor";
             }
             return aNames;
         }
diff --git a/sw/qa/extras/globalfilter/globalfilter.cxx b/sw/qa/extras/globalfilter/globalfilter.cxx
index 49c01f9b879e..a88292ab514c 100644
--- a/sw/qa/extras/globalfilter/globalfilter.cxx
+++ b/sw/qa/extras/globalfilter/globalfilter.cxx
@@ -86,7 +86,7 @@ void Test::testSwappedOutImageExport()
         {
             OUString sURL;
             XPropSet->getPropertyValue("GraphicURL") >>= sURL;
-            CPPUNIT_ASSERT_MESSAGE(sFailedMessage.getStr(), sURL != OUString("vnd.sun.star.GraphicObject:00000000000000000000000000000000"));
+            CPPUNIT_ASSERT_MESSAGE(sFailedMessage.getStr(), sURL != "vnd.sun.star.GraphicObject:00000000000000000000000000000000");
         }
         // Check size
         {
@@ -106,7 +106,7 @@ void Test::testSwappedOutImageExport()
             OUString sURL;
             XPropSet->getPropertyValue("GraphicURL") >>= sURL;
             CPPUNIT_ASSERT_MESSAGE(
-                sFailedMessage.getStr(), sURL != OUString("vnd.sun.star.GraphicObject:00000000000000000000000000000000"));
+                sFailedMessage.getStr(), sURL != "vnd.sun.star.GraphicObject:00000000000000000000000000000000");
         }
         // Check size
         {
@@ -231,7 +231,7 @@ void Test::testImageWithSpecialID()
         {
             OUString sURL;
             XPropSet->getPropertyValue("GraphicURL") >>= sURL;
-            CPPUNIT_ASSERT(sURL != OUString("vnd.sun.star.GraphicObject:00000000000000000000000000000000"));
+            CPPUNIT_ASSERT(sURL != "vnd.sun.star.GraphicObject:00000000000000000000000000000000");
         }
         // Check size
         {
@@ -249,7 +249,7 @@ void Test::testImageWithSpecialID()
         {
             OUString sURL;
             XPropSet->getPropertyValue("GraphicURL") >>= sURL;
-            CPPUNIT_ASSERT(sURL != OUString("vnd.sun.star.GraphicObject:00000000000000000000000000000000"));
+            CPPUNIT_ASSERT(sURL != "vnd.sun.star.GraphicObject:00000000000000000000000000000000");
         }
         // Check size
         {
@@ -313,7 +313,7 @@ void Test::testGraphicShape()
         {
             OUString sURL;
             XPropSet->getPropertyValue("GraphicURL") >>= sURL;
-            CPPUNIT_ASSERT_MESSAGE(sFailedMessage.getStr(), sURL != OUString("vnd.sun.star.GraphicObject:00000000000000000000000000000000"));
+            CPPUNIT_ASSERT_MESSAGE(sFailedMessage.getStr(), sURL != "vnd.sun.star.GraphicObject:00000000000000000000000000000000");
         }
         // Check size
         {
@@ -326,7 +326,7 @@ void Test::testGraphicShape()
         }
 
         // MS filters make this kind of linked images broken !?
-        if( OUString::createFromAscii(aFilterNames[nFilter]) != OUString("writer8") )
+        if( OUString::createFromAscii(aFilterNames[nFilter]) != "writer8" )
             return;
 
         // Second image is a linked one
diff --git a/sw/qa/extras/ooxmlexport/ooxmlexport3.cxx b/sw/qa/extras/ooxmlexport/ooxmlexport3.cxx
index b411a4c6e331..c2361415072e 100644
--- a/sw/qa/extras/ooxmlexport/ooxmlexport3.cxx
+++ b/sw/qa/extras/ooxmlexport/ooxmlexport3.cxx
@@ -535,7 +535,7 @@ DECLARE_OOXMLEXPORT_TEST(testFontNameIsEmpty, "font-name-is-empty.docx")
     for(sal_Int32 index = 0; index < length; index++){
         xmlNodePtr pXmlNode = pXmlNodes->nodeTab[index];
         OUString attrVal = OUString::createFromAscii((const char*)xmlGetProp(pXmlNode, BAD_CAST("name")));
-         if (attrVal == ""){
+         if (attrVal.isEmpty()){
             CPPUNIT_FAIL("Font name is empty.");
         }
     }
diff --git a/sw/qa/extras/ooxmlexport/ooxmlsdrexport.cxx b/sw/qa/extras/ooxmlexport/ooxmlsdrexport.cxx
index 3d7124111123..73831a90db73 100644
--- a/sw/qa/extras/ooxmlexport/ooxmlsdrexport.cxx
+++ b/sw/qa/extras/ooxmlexport/ooxmlsdrexport.cxx
@@ -551,22 +551,22 @@ DECLARE_OOXMLEXPORT_TEST(testFdo70838, "fdo70838.docx")
             OUString aStyleCommandName  = aStyleCommand.getToken( 0, ':' );
             OUString aStyleCommandValue = aStyleCommand.getToken( 1, ':' );
 
-            if( aStyleCommandName.equals( "margin-left" ) )
+            if( aStyleCommandName == "margin-left" )
             {
                 float fValue = aStyleCommandValue.getToken( 0, 'p' ).toFloat();
                 CPPUNIT_ASSERT_DOUBLES_EQUAL(97.6, fValue, 0.1);
             }
-            else if( aStyleCommandName.equals( "margin-top" ) )
+            else if( aStyleCommandName == "margin-top" )
             {
                 float fValue = aStyleCommandValue.getToken( 0, 'p' ).toFloat();
                 CPPUNIT_ASSERT_DOUBLES_EQUAL(165.0, fValue, 0.2);
             }
-            else if( aStyleCommandName.equals( "width" ) )
+            else if( aStyleCommandName == "width" )
             {
                 float fValue = aStyleCommandValue.getToken( 0, 'p' ).toFloat();
                 CPPUNIT_ASSERT_DOUBLES_EQUAL(283.4, fValue, 0.1);
             }
-            else if( aStyleCommandName.equals( "height" ) )
+            else if( aStyleCommandName == "height" )
             {
                 float fValue = aStyleCommandValue.getToken( 0, 'p' ).toFloat();
                 CPPUNIT_ASSERT_DOUBLES_EQUAL(141.7, fValue, 0.1);
diff --git a/sw/qa/extras/uiwriter/uiwriter.cxx b/sw/qa/extras/uiwriter/uiwriter.cxx
index 5de79d3257b8..c840b44c8ec0 100644
--- a/sw/qa/extras/uiwriter/uiwriter.cxx
+++ b/sw/qa/extras/uiwriter/uiwriter.cxx
@@ -650,7 +650,7 @@ void SwUiWriterTest::testMergeDoc()
     SwDoc* const pDoc1(createDoc("merge-change1.odt"));
 
     auto xDoc2Component(loadFromDesktop(
-            getURLFromSrc(DATA_DIRECTORY) + OUString("merge-change2.odt"),
+            getURLFromSrc(DATA_DIRECTORY) + "merge-change2.odt",
             "com.sun.star.text.TextDocument"));
     auto pxDoc2Document(
             dynamic_cast<SwXTextDocument *>(xDoc2Component.get()));
diff --git a/sw/source/core/access/acccell.cxx b/sw/source/core/access/acccell.cxx
index 158037b1d8db..854b42de6cbc 100644
--- a/sw/source/core/access/acccell.cxx
+++ b/sw/source/core/access/acccell.cxx
@@ -258,8 +258,8 @@ uno::Sequence< OUString > SAL_CALL SwAccessibleCell::getSupportedServiceNames()
 {
     uno::Sequence< OUString > aRet(2);
     OUString* pArray = aRet.getArray();
-    pArray[0] = OUString(sServiceName );
-    pArray[1] = OUString(sAccessibleServiceName );
+    pArray[0] = sServiceName;
+    pArray[1] = sAccessibleServiceName;
     return aRet;
 }
 
diff --git a/sw/source/core/access/accdoc.cxx b/sw/source/core/access/accdoc.cxx
index 2d82015f4916..a54ed2d423ff 100644
--- a/sw/source/core/access/accdoc.cxx
+++ b/sw/source/core/access/accdoc.cxx
@@ -448,8 +448,8 @@ uno::Sequence< OUString > SAL_CALL SwAccessibleDocument::getSupportedServiceName
 {
     uno::Sequence< OUString > aRet(2);
     OUString* pArray = aRet.getArray();
-    pArray[0] = OUString( sServiceName );
-    pArray[1] = OUString( sAccessibleServiceName );
+    pArray[0] = sServiceName;
+    pArray[1] = sAccessibleServiceName;
     return aRet;
 }
 
diff --git a/sw/source/core/access/accembedded.cxx b/sw/source/core/access/accembedded.cxx
index 896175e310ff..cb0d021ccb89 100644
--- a/sw/source/core/access/accembedded.cxx
+++ b/sw/source/core/access/accembedded.cxx
@@ -90,7 +90,7 @@ uno::Sequence< OUString > SAL_CALL SwAccessibleEmbeddedObject::getSupportedServi
     uno::Sequence< OUString > aRet(2);
     OUString* pArray = aRet.getArray();
     pArray[0] = "com.sun.star.text.AccessibleTextEmbeddedObject";
-    pArray[1] = OUString( sAccessibleServiceName );
+    pArray[1] = sAccessibleServiceName;
     return aRet;
 }
 
diff --git a/sw/source/core/access/accfootnote.cxx b/sw/source/core/access/accfootnote.cxx
index 63f0c2744be8..ddf7428b155a 100644
--- a/sw/source/core/access/accfootnote.cxx
+++ b/sw/source/core/access/accfootnote.cxx
@@ -115,10 +115,10 @@ Sequence< OUString > SAL_CALL SwAccessibleFootnote::getSupportedServiceNames()
     Sequence< OUString > aRet(2);
     OUString* pArray = aRet.getArray();
     if( AccessibleRole::END_NOTE == GetRole() )
-        pArray[0] = OUString( sServiceNameEndnote );
+        pArray[0] = sServiceNameEndnote;
     else
-        pArray[0] = OUString( sServiceNameFootnote );
-    pArray[1] = OUString( sAccessibleServiceName );
+        pArray[0] = sServiceNameFootnote;
+    pArray[1] = sAccessibleServiceName;
     return aRet;
 }
 
diff --git a/sw/source/core/access/accgraphic.cxx b/sw/source/core/access/accgraphic.cxx
index b4f2902b49d2..04111a934deb 100644
--- a/sw/source/core/access/accgraphic.cxx
+++ b/sw/source/core/access/accgraphic.cxx
@@ -60,7 +60,7 @@ Sequence< OUString > SAL_CALL SwAccessibleGraphic::getSupportedServiceNames()
     Sequence< OUString > aRet(2);
     OUString* pArray = aRet.getArray();
     pArray[0] = "com.sun.star.text.AccessibleTextGraphicObject";
-    pArray[1] = OUString( sAccessibleServiceName );
+    pArray[1] = sAccessibleServiceName;
     return aRet;
 }
 
diff --git a/sw/source/core/access/accheaderfooter.cxx b/sw/source/core/access/accheaderfooter.cxx
index b5a8a894914f..07d117db3e09 100644
--- a/sw/source/core/access/accheaderfooter.cxx
+++ b/sw/source/core/access/accheaderfooter.cxx
@@ -102,7 +102,7 @@ Sequence< OUString > SAL_CALL SwAccessibleHeaderFooter::getSupportedServiceNames
         pArray[0] = "com.sun.star.text.AccessibleHeaderView";
     else
         pArray[0] = "com.sun.star.text.AccessibleFooterView";
-    pArray[1] = OUString( sAccessibleServiceName );
+    pArray[1] = sAccessibleServiceName;
     return aRet;
 }
 
diff --git a/sw/source/core/access/accpage.cxx b/sw/source/core/access/accpage.cxx
index 3fc1420b58fe..11a8bddf55ee 100644
--- a/sw/source/core/access/accpage.cxx
+++ b/sw/source/core/access/accpage.cxx
@@ -153,8 +153,8 @@ Sequence<OUString> SwAccessiblePage::getSupportedServiceNames( )
 {
     Sequence< OUString > aRet(2);
     OUString* pArray = aRet.getArray();
-    pArray[0] = OUString( sServiceName );
-    pArray[1] = OUString( sAccessibleServiceName );
+    pArray[0] = sServiceName;
+    pArray[1] = sAccessibleServiceName;
     return aRet;
 }
 
diff --git a/sw/source/core/access/accpara.cxx b/sw/source/core/access/accpara.cxx
index 34b485e9bb4f..00c3a94073c2 100644
--- a/sw/source/core/access/accpara.cxx
+++ b/sw/source/core/access/accpara.cxx
@@ -1118,8 +1118,8 @@ uno::Sequence< OUString > SAL_CALL SwAccessibleParagraph::getSupportedServiceNam
 {
     uno::Sequence< OUString > aRet(2);
     OUString* pArray = aRet.getArray();
-    pArray[0] = OUString( sServiceName );
-    pArray[1] = OUString( sAccessibleServiceName );
+    pArray[0] = sServiceName;
+    pArray[1] = sAccessibleServiceName;
     return aRet;
 }
 
@@ -1692,7 +1692,7 @@ uno::Sequence<PropertyValue> SwAccessibleParagraph::getCharacterAttributes(
 
         const SwTxtNode* pTxtNode( GetTxtNode() );
         PropertyValue& rValue = pValues[aValues.getLength() - 1 ];
-        rValue.Name = OUString("NumberingPrefix");
+        rValue.Name = "NumberingPrefix";
         OUString sNumBullet = pTxtNode->GetNumString();
         rValue.Value <<= sNumBullet;
         rValue.Handle = -1;
@@ -1704,7 +1704,7 @@ uno::Sequence<PropertyValue> SwAccessibleParagraph::getCharacterAttributes(
             aValues.realloc( aValues.getLength() + 1 );
             pValues = aValues.getArray();
             PropertyValue& rValueFT = pValues[aValues.getLength() - 1];
-            rValueFT.Name = OUString("FieldType");
+            rValueFT.Name = "FieldType";
             rValueFT.Value <<= strTypeName.toAsciiLowerCase();
             rValueFT.Handle = -1;
             rValueFT.State = PropertyState_DIRECT_VALUE;
@@ -3867,7 +3867,7 @@ sal_Int32 SwAccessibleParagraph::GetRealHeadingLevel()
         if (length == 9 || length == 10)
         {
             OUString headStr = sValue.copy(0, 7);
-            if (headStr.equals("Heading"))
+            if (headStr == "Heading")
             {
                 OUString intStr = sValue.copy(8);
                 sal_Int32 headingLevel = intStr.toInt32(10);
diff --git a/sw/source/core/access/accpreview.cxx b/sw/source/core/access/accpreview.cxx
index 8b0f1b3fa4a7..ff89d78deaa2 100644
--- a/sw/source/core/access/accpreview.cxx
+++ b/sw/source/core/access/accpreview.cxx
@@ -57,7 +57,7 @@ Sequence<OUString> SwAccessiblePreview::getSupportedServiceNames( )
 {
     Sequence<OUString> aSeq( 2 );
     aSeq[0] = "com.sun.star.text.AccessibleTextDocumentPageView";
-    aSeq[1] = OUString( sAccessibleServiceName );
+    aSeq[1] = sAccessibleServiceName;
     return aSeq;
 }
 
diff --git a/sw/source/core/access/acctable.cxx b/sw/source/core/access/acctable.cxx
index 2c66fb6adb22..629e08d3a554 100644
--- a/sw/source/core/access/acctable.cxx
+++ b/sw/source/core/access/acctable.cxx
@@ -1376,7 +1376,7 @@ uno::Sequence< OUString > SAL_CALL SwAccessibleTable::getSupportedServiceNames()
     uno::Sequence< OUString > aRet(2);
     OUString* pArray = aRet.getArray();
     pArray[0] = "com.sun.star.table.AccessibleTableView";
-    pArray[1] = OUString( sAccessibleServiceName );
+    pArray[1] = sAccessibleServiceName;
     return aRet;
 }
 
diff --git a/sw/source/core/access/acctextframe.cxx b/sw/source/core/access/acctextframe.cxx
index 2cea245a9ab2..20225f6c8edf 100644
--- a/sw/source/core/access/acctextframe.cxx
+++ b/sw/source/core/access/acctextframe.cxx
@@ -293,7 +293,7 @@ uno::Sequence< OUString > SAL_CALL SwAccessibleTextFrame::getSupportedServiceNam
     uno::Sequence< OUString > aRet(2);
     OUString* pArray = aRet.getArray();
     pArray[0] = "com.sun.star.text.AccessibleTextFrameView";
-    pArray[1] = OUString( sAccessibleServiceName );
+    pArray[1] = sAccessibleServiceName;
     return aRet;
 }
 
diff --git a/sw/source/core/bastyp/calc.cxx b/sw/source/core/bastyp/calc.cxx
index 8353823d12f1..10c7d453c4cd 100644
--- a/sw/source/core/bastyp/calc.cxx
+++ b/sw/source/core/bastyp/calc.cxx
@@ -778,7 +778,7 @@ SwCalcOper SwCalc::GetToken()
                 case '[':
                     if( aRes.EndPos < sCommand.getLength() )
                     {
-                        aVarName = "";
+                        aVarName.clear();
                         sal_Int32 nFndPos = aRes.EndPos,
                                   nSttPos = nFndPos;
 
diff --git a/sw/source/core/bastyp/init.cxx b/sw/source/core/bastyp/init.cxx
index e9d88ebc5993..a8cd5a00197c 100644
--- a/sw/source/core/bastyp/init.cxx
+++ b/sw/source/core/bastyp/init.cxx
@@ -845,7 +845,7 @@ CharClass& GetAppCharClass()
 
 void SwCalendarWrapper::LoadDefaultCalendar( sal_uInt16 eLang )
 {
-    sUniqueId = "";
+    sUniqueId.clear();
     if( eLang != nLang )
         loadDefaultCalendar( LanguageTag::convertToLocale( nLang = eLang ));
 }
diff --git a/sw/source/core/doc/doc.cxx b/sw/source/core/doc/doc.cxx
index b6531be08eed..1ae97f64d8e6 100644
--- a/sw/source/core/doc/doc.cxx
+++ b/sw/source/core/doc/doc.cxx
@@ -1536,7 +1536,7 @@ bool SwDoc::ConvertFieldsToText()
 
                     // database fields should not convert their command into text
                     if( RES_DBFLD == pCurType->Which() && !static_cast<const SwDBField*>(pField)->IsInitialized())
-                        sText = "";
+                        sText.clear();
 
                     SwPaM aInsertPam(*pTxtFld->GetpTxtNode(), pTxtFld->GetStart());
                     aInsertPam.SetMark();
diff --git a/sw/source/core/doc/docglbl.cxx b/sw/source/core/doc/docglbl.cxx
index 294f4d22a5f2..aa81d02924e0 100644
--- a/sw/source/core/doc/docglbl.cxx
+++ b/sw/source/core/doc/docglbl.cxx
@@ -338,7 +338,7 @@ bool SwDoc::SplitDoc( sal_uInt16 eDocType, const OUString& rPath, bool bOutline,
 
                     // do not insert a FileLinkSection in case of error
                     if( xDocSh->GetError() )
-                        sFileName = "";
+                        sFileName.clear();
                 }
                 xDocSh->DoClose();
             }
diff --git a/sw/source/core/edit/edlingu.cxx b/sw/source/core/edit/edlingu.cxx
index 97e30f721539..3809289d33af 100644
--- a/sw/source/core/edit/edlingu.cxx
+++ b/sw/source/core/edit/edlingu.cxx
@@ -864,7 +864,7 @@ uno::Reference< XSpellAlternatives >
                     // implementation here by providing an additional parameter.
                     Sequence< PropertyValue > aPropVals(1);
                     PropertyValue &rVal = aPropVals.getArray()[0];
-                    rVal.Name = OUString( UPN_MAX_NUMBER_OF_SUGGESTIONS );
+                    rVal.Name = UPN_MAX_NUMBER_OF_SUGGESTIONS;
                     rVal.Value <<= (sal_Int16) 7;
 
                     xSpellAlt = xSpell->spell( aWord, eActLang, aPropVals );
diff --git a/sw/source/core/fields/cellfml.cxx b/sw/source/core/fields/cellfml.cxx
index ad34b2d179a5..397ab2d97a22 100644
--- a/sw/source/core/fields/cellfml.cxx
+++ b/sw/source/core/fields/cellfml.cxx
@@ -45,7 +45,7 @@ namespace
 {
 
 const sal_Unicode cRelSeparator = ',';
-const sal_Unicode cRelIdentifier = '';     // CTRL-R
+const sal_Unicode cRelIdentifier = '\x12'; // CTRL-R
 
 enum
 {
diff --git a/sw/source/core/ole/ndole.cxx b/sw/source/core/ole/ndole.cxx
index b7020dc68748..786d9f2b2ed5 100644
--- a/sw/source/core/ole/ndole.cxx
+++ b/sw/source/core/ole/ndole.cxx
@@ -576,7 +576,7 @@ void SwOLENode::BreakFileLink_Impl()
                 uno::Reference< embed::XLinkageSupport > xLinkSupport( aOLEObj.GetOleRef(), uno::UNO_QUERY_THROW );
                 xLinkSupport->breakLink( xStorage, aOLEObj.GetCurrentPersistName() );
                 DisconnectFileLink_Impl();
-                maLinkURL = "";
+                maLinkURL.clear();
             }
             catch( uno::Exception& )
             {
diff --git a/sw/source/core/swg/SwXMLTextBlocks1.cxx b/sw/source/core/swg/SwXMLTextBlocks1.cxx
index 0f0ce4a13740..3eca795659b5 100644
--- a/sw/source/core/swg/SwXMLTextBlocks1.cxx
+++ b/sw/source/core/swg/SwXMLTextBlocks1.cxx
@@ -279,7 +279,7 @@ sal_uLong SwXMLTextBlocks::GetBlockText( const OUString& rShort, OUString& rText
     bool bTextOnly = true;
     OUString aFolderName = GeneratePackageName ( rShort );
     OUString aStreamName = aFolderName + ".xml";
-    rText = "";
+    rText.clear();
 
     try
     {
diff --git a/sw/source/core/table/swtable.cxx b/sw/source/core/table/swtable.cxx
index c73b3c2faf4b..e4d2fc44222d 100644
--- a/sw/source/core/table/swtable.cxx
+++ b/sw/source/core/table/swtable.cxx
@@ -2342,7 +2342,7 @@ void SwTableBoxFmt::Modify( const SfxPoolItem* pOld, const SfxPoolItem* pNew )
 
                             if( !bChgTxt )
                             {
-                                sNewTxt = "";
+                                sNewTxt.clear();
                             }
                         }
 
diff --git a/sw/source/core/text/EnhancedPDFExportHelper.cxx b/sw/source/core/text/EnhancedPDFExportHelper.cxx
index 6b3b79be69c1..78bfda42d2a8 100644
--- a/sw/source/core/text/EnhancedPDFExportHelper.cxx
+++ b/sw/source/core/text/EnhancedPDFExportHelper.cxx
@@ -992,7 +992,7 @@ void SwTaggedPDFHelper::BeginBlockStructureElements()
             // Document: Document
 
             nPDFType = vcl::PDFWriter::Document;
-            aPDFType = OUString(aDocumentString);
+            aPDFType = aDocumentString;
             break;
 
         case FRM_HEADER :
@@ -1008,7 +1008,7 @@ void SwTaggedPDFHelper::BeginBlockStructureElements()
             // Footnote container: Division
 
             nPDFType = vcl::PDFWriter::Division;
-            aPDFType = OUString(aDivString);
+            aPDFType = aDivString;
             break;
 
         case FRM_FTN :
@@ -1018,7 +1018,7 @@ void SwTaggedPDFHelper::BeginBlockStructureElements()
             // Note: vcl::PDFWriter::Note is actually a ILSE. Nevertheless
             // we treat it like a grouping element!
             nPDFType = vcl::PDFWriter::Note;
-            aPDFType = OUString(aNoteString);
+            aPDFType = aNoteString;
             break;
 
         case FRM_SECTION :
@@ -1036,19 +1036,19 @@ void SwTaggedPDFHelper::BeginBlockStructureElements()
                         if ( TOX_INDEX == pTOXBase->GetType() )
                         {
                             nPDFType = vcl::PDFWriter::Index;
-                            aPDFType = OUString(aIndexString);
+                            aPDFType = aIndexString;
                         }
                         else
                         {
                             nPDFType = vcl::PDFWriter::TOC;
-                            aPDFType = OUString(aTOCString);
+                            aPDFType = aTOCString;
                         }
                     }
                 }
                 else if ( CONTENT_SECTION == pSection->GetType() )
                 {
                     nPDFType = vcl::PDFWriter::Section;
-                    aPDFType = OUString(aSectString);
+                    aPDFType = aSectString;
                 }
             }
             break;
@@ -1084,7 +1084,7 @@ void SwTaggedPDFHelper::BeginBlockStructureElements()
                 if (sStyleName == aQuotations)
                 {
                     nPDFType = vcl::PDFWriter::BlockQuote;
-                    aPDFType = OUString(aBlockQuoteString);
+                    aPDFType = aBlockQuoteString;
                 }
 
                 // Caption: Caption
@@ -1092,7 +1092,7 @@ void SwTaggedPDFHelper::BeginBlockStructureElements()
                 else if (sStyleName == aCaption)
                 {
                     nPDFType = vcl::PDFWriter::Caption;
-                    aPDFType = OUString(aCaptionString);
+                    aPDFType = aCaptionString;
                 }
 
                 // Caption: Caption
@@ -1108,7 +1108,7 @@ void SwTaggedPDFHelper::BeginBlockStructureElements()
                 else if (sStyleName == aHeading)
                 {
                     nPDFType = vcl::PDFWriter::Heading;
-                    aPDFType = OUString(aHString);
+                    aPDFType = aHString;
                 }
 
                 // Heading: H1 - H6
@@ -1122,22 +1122,22 @@ void SwTaggedPDFHelper::BeginBlockStructureElements()
                     switch(nRealLevel)
                     {
                         case 0 :
-                            aPDFType = OUString(aH1String);
+                            aPDFType = aH1String;
                             break;
                         case 1 :
-                            aPDFType = OUString(aH2String);
+                            aPDFType = aH2String;
                             break;
                         case 2 :
-                            aPDFType = OUString(aH3String);
+                            aPDFType = aH3String;
                             break;
                         case 3 :
-                            aPDFType = OUString(aH4String);
+                            aPDFType = aH4String;
                             break;
                         case 4 :
-                            aPDFType = OUString(aH5String);
+                            aPDFType = aH5String;
                             break;
                         default:
-                            aPDFType = OUString(aH6String);
+                            aPDFType = aH6String;
                             break;
                     }
                 }
@@ -1168,7 +1168,7 @@ void SwTaggedPDFHelper::BeginBlockStructureElements()
             // TabFrm: Table
 
             nPDFType = vcl::PDFWriter::Table;
-            aPDFType = OUString(aTableString);
+            aPDFType = aTableString;
 
             {
                 // set up table column data:
@@ -1222,7 +1222,7 @@ void SwTaggedPDFHelper::BeginBlockStructureElements()
             if ( !static_cast<const SwRowFrm*>(pFrm)->IsRepeatedHeadline() )
             {
                 nPDFType = vcl::PDFWriter::TableRow;
-                aPDFType = OUString(aTRString);
+                aPDFType = aTRString;
             }
             else
             {
@@ -1239,12 +1239,12 @@ void SwTaggedPDFHelper::BeginBlockStructureElements()
                 if ( pTable->IsInHeadline( *pFrm ) || lcl_IsHeadlineCell( *static_cast<const SwCellFrm*>(pFrm) ) )
                 {
                     nPDFType = vcl::PDFWriter::TableHeader;
-                    aPDFType = OUString(aTHString);
+                    aPDFType = aTHString;
                 }
                 else
                 {
                     nPDFType = vcl::PDFWriter::TableData;
-                    aPDFType = OUString(aTDString);
+                    aPDFType = aTDString;
                 }
             }
             break;
@@ -1276,18 +1276,18 @@ void SwTaggedPDFHelper::BeginBlockStructureElements()
                     if ( bFormula )
                     {
                         nPDFType = vcl::PDFWriter::Formula;
-                        aPDFType = OUString(aFormulaString);
+                        aPDFType = aFormulaString;
                     }
                     else
                     {
                         nPDFType = vcl::PDFWriter::Figure;
-                        aPDFType = OUString(aFigureString);
+                        aPDFType = aFigureString;
                     }
                 }
                 else
                 {
                     nPDFType = vcl::PDFWriter::Division;
-                    aPDFType = OUString(aDivString);
+                    aPDFType = aDivString;
                 }
             }
             break;
@@ -1332,7 +1332,7 @@ void SwTaggedPDFHelper::BeginInlineStructureElements()
         case POR_HYPHSTR :
         case POR_SOFTHYPHSTR :
             nPDFType = vcl::PDFWriter::Span;
-            aPDFType = OUString(aSpanString);
+            aPDFType = aSpanString;
             break;
 
         case POR_LAY :
@@ -1359,18 +1359,18 @@ void SwTaggedPDFHelper::BeginInlineStructureElements()
                 if( pInetFmtAttr )
                 {
                     nPDFType = vcl::PDFWriter::Link;
-                    aPDFType = OUString(aLinkString);
+                    aPDFType = aLinkString;
                 }
                 // Check for Quote/Code character style:
                 else if (sStyleName == aQuotation)
                 {
                     nPDFType = vcl::PDFWriter::Quote;
-                    aPDFType = OUString(aQuoteString);
+                    aPDFType = aQuoteString;
                 }
                 else if (sStyleName == aSourceText)
                 {
                     nPDFType = vcl::PDFWriter::Code;
-                    aPDFType = OUString(aCodeString);
+                    aPDFType = aCodeString;
                 }
                 else
                 {
@@ -1391,7 +1391,7 @@ void SwTaggedPDFHelper::BeginInlineStructureElements()
                         if (!sStyleName.isEmpty())
                             aPDFType = sStyleName;
                         else
-                            aPDFType = OUString(aSpanString);
+                            aPDFType = aSpanString;
                     }
                 }
             }
@@ -1399,7 +1399,7 @@ void SwTaggedPDFHelper::BeginInlineStructureElements()
 
         case POR_FTN :
             nPDFType = vcl::PDFWriter::Link;
-            aPDFType = OUString(aLinkString);
+            aPDFType = aLinkString;
             break;
 
         case POR_FLD :
@@ -1416,12 +1416,12 @@ void SwTaggedPDFHelper::BeginInlineStructureElements()
                     if ( RES_GETREFFLD == pFld->Which() )
                     {
                         nPDFType = vcl::PDFWriter::Link;
-                        aPDFType = OUString(aLinkString);
+                        aPDFType = aLinkString;
                     }
                     else if ( RES_AUTHORITY == pFld->Which() )
                     {
                         nPDFType = vcl::PDFWriter::BibEntry;
-                        aPDFType = OUString(aBibEntryString);
+                        aPDFType = aBibEntryString;
                     }
                 }
             }
diff --git a/sw/source/core/tox/ToxTextGenerator.cxx b/sw/source/core/tox/ToxTextGenerator.cxx
index 7b43312870db..f7ef3f979960 100644
--- a/sw/source/core/tox/ToxTextGenerator.cxx
+++ b/sw/source/core/tox/ToxTextGenerator.cxx
@@ -160,7 +160,7 @@ ToxTextGenerator::GenerateText(SwDoc* pDoc, const std::vector<SwTOXSortTabBase*>
     SwTxtNode* pTOXNd = (SwTxtNode*)entries.at(indexOfEntryToProcess)->pTOXNd;
     // FIXME this operates directly on the node text
     OUString & rTxt = const_cast<OUString&>(pTOXNd->GetTxt());
-    rTxt = "";
+    rTxt.clear();
     for(sal_uInt16 nIndex = indexOfEntryToProcess; nIndex < indexOfEntryToProcess + numberOfEntriesToProcess; nIndex++)
     {
         if(nIndex > indexOfEntryToProcess)
diff --git a/sw/source/core/unocore/unoframe.cxx b/sw/source/core/unocore/unoframe.cxx
index 3a484d612b2f..db74773686d2 100644
--- a/sw/source/core/unocore/unoframe.cxx
+++ b/sw/source/core/unocore/unoframe.cxx
@@ -1558,7 +1558,7 @@ void SwXFrame::setPropertyValue(const :: OUString& rPropertyName, const :: uno::
                 {
                     pGrfObj = new GraphicObject;
                     pGrfObj->SetUserData( sTmp );
-                    sGrfName = "";
+                    sGrfName.clear();
                 }
                 else if( sTmp.startsWith(sGraphicObjectProtocol) )
                 {
@@ -1566,7 +1566,7 @@ void SwXFrame::setPropertyValue(const :: OUString& rPropertyName, const :: uno::
                         sTmp.copy(sizeof(sGraphicObjectProtocol)-1),
                         RTL_TEXTENCODING_ASCII_US));
                     pGrfObj = new GraphicObject( sId );
-                    sGrfName = "";
+                    sGrfName.clear();
                 }
                 else
                 {
@@ -2375,7 +2375,7 @@ uno::Sequence< beans::PropertyState > SwXFrame::getPropertyStates(
         {
             const SfxItemPropertySimpleEntry* pEntry = m_pPropSet->getPropertyMap().getByName(pNames[i]);
             if (!pEntry)
-                throw beans::UnknownPropertyException(OUString( "Unknown property: " ) + pNames[i], static_cast < cppu::OWeakObject * > ( this ) );
+                throw beans::UnknownPropertyException("Unknown property: " + pNames[i], static_cast < cppu::OWeakObject * > ( this ) );
 
             if(pEntry->nWID == FN_UNO_ANCHOR_TYPES||
                 pEntry->nWID == FN_PARAM_LINK_DISPLAY_NAME||
@@ -2804,7 +2804,7 @@ void SwXFrame::attachToRange(const uno::Reference< text::XTextRange > & xTextRan
                 {
                     pGrfObj = new GraphicObject;
                     pGrfObj->SetUserData( sGraphicURL );
-                    sGraphicURL = "";
+                    sGraphicURL.clear();
                 }
                 else if( sGraphicURL.startsWith(sGraphicObjectProtocol) )
                 {
@@ -2812,7 +2812,7 @@ void SwXFrame::attachToRange(const uno::Reference< text::XTextRange > & xTextRan
                         sGraphicURL.copy( sizeof(sGraphicObjectProtocol)-1 ),
                         RTL_TEXTENCODING_ASCII_US));
                     pGrfObj = new GraphicObject( sId );
-                    sGraphicURL = "";
+                    sGraphicURL.clear();
                 }
             }
             Graphic aGraphic;
diff --git a/sw/source/filter/html/css1atr.cxx b/sw/source/filter/html/css1atr.cxx
index 72ab5c30b190..ed6a4314e5c5 100644
--- a/sw/source/filter/html/css1atr.cxx
+++ b/sw/source/filter/html/css1atr.cxx
@@ -661,10 +661,10 @@ sal_uInt16 SwHTMLWriter::GetCSS1Selector( const SwFmt *pFmt, OString& rToken,
 {
     sal_uInt16 nDeep = 0;
     rToken.clear();
-    rClass = "";
+    rClass.clear();
     rRefPoolId = 0;
     if( pPseudo )
-        *pPseudo = "";
+        pPseudo->clear();
 
     bool bChrFmt = RES_CHRFMT==pFmt->Which();
 
@@ -983,7 +983,7 @@ static sal_uInt16 GetCSS1Selector( const SwFmt *pFmt, OUString& rSelector,
         if( !aToken.isEmpty() )
             rSelector = OStringToOUString(aToken, RTL_TEXTENCODING_ASCII_US);
         else
-            rSelector = "";
+            rSelector.clear();
 
         if( !aClass.isEmpty() )
             rSelector += "." + aClass;
@@ -1786,7 +1786,7 @@ static Writer& OutCSS1_SwFtnInfo( Writer& rWrt, const SwEndNoteInfo& rInfo,
 
     if( nNotes > 0 )
     {
-        aSelector = OUString(OOO_STRING_SVTOOLS_HTML_anchor) + "." +
+        aSelector = OOO_STRING_SVTOOLS_HTML_anchor "." +
                     ( bEndNote ? OUString(OOO_STRING_SVTOOLS_HTML_sdendnote_anc)
                                : OUString(OOO_STRING_SVTOOLS_HTML_sdfootnote_anc) );
         SwCSS1OutMode aMode( rHTMLWrt, CSS1_OUTMODE_RULE|CSS1_OUTMODE_TEMPLATE,
@@ -1817,7 +1817,7 @@ static Writer& OutCSS1_SwFtnInfo( Writer& rWrt, const SwEndNoteInfo& rInfo,
         }
         if( aItemSet.Count() )
         {
-            aSelector = OUString(OOO_STRING_SVTOOLS_HTML_anchor) + "." +
+            aSelector = OOO_STRING_SVTOOLS_HTML_anchor "." +
                         ( bEndNote ? OUString(OOO_STRING_SVTOOLS_HTML_sdendnote_sym)
                                    : OUString(OOO_STRING_SVTOOLS_HTML_sdfootnote_sym));
             if( OutCSS1Rule( rHTMLWrt, aSelector, aItemSet, true, false ))
diff --git a/sw/source/filter/html/htmlatr.cxx b/sw/source/filter/html/htmlatr.cxx
index deedddaf1961..5705622ebbce 100644
--- a/sw/source/filter/html/htmlatr.cxx
+++ b/sw/source/filter/html/htmlatr.cxx
@@ -108,7 +108,7 @@ sal_uInt16 SwHTMLWriter::GetDefListLvl( const OUString& rNm, sal_uInt16 nPoolId
         // DefinitionList - term
         return (sal_uInt16)rNm.copy( sDTDD.getLength() ).toInt32() | HTML_DLCOLL_DT;
 
-    sDTDD = OUString( OOO_STRING_SVTOOLS_HTML_dd ) + " ";
+    sDTDD = OOO_STRING_SVTOOLS_HTML_dd " ";
     if( rNm.startsWith(sDTDD) )
         // DefinitionList - definition
         return (sal_uInt16)rNm.copy( sDTDD.getLength() ).toInt32() | HTML_DLCOLL_DD;
diff --git a/sw/source/filter/html/htmlbas.cxx b/sw/source/filter/html/htmlbas.cxx
index 36926a2c35a5..33503450d5d0 100644
--- a/sw/source/filter/html/htmlbas.cxx
+++ b/sw/source/filter/html/htmlbas.cxx
@@ -172,12 +172,12 @@ void SwHTMLParser::EndScript()
         }
     }
 
-    aScriptSource = "";
-    aScriptType = "";
-    aScriptURL = "";
+    aScriptSource.clear();
+    aScriptType.clear();
+    aScriptURL.clear();
 
-    aBasicLib = "";
-    aBasicModule = "";
+    aBasicLib.clear();
+    aBasicModule.clear();
 }
 
 void SwHTMLParser::AddScriptSource()
diff --git a/sw/source/filter/html/htmlcss1.cxx b/sw/source/filter/html/htmlcss1.cxx
index 04a9d7122781..d4368d298f4f 100644
--- a/sw/source/filter/html/htmlcss1.cxx
+++ b/sw/source/filter/html/htmlcss1.cxx
@@ -613,7 +613,7 @@ sal_uInt16 SwCSS1Parser::GetScriptFromClass( OUString& rClass,
         }
         else
         {
-            rClass = "";
+            rClass.clear();
         }
     }
 
@@ -625,7 +625,7 @@ static CSS1SelectorType GetTokenAndClass( const CSS1Selector *pSelector,
                               sal_uInt16& rScriptFlags )
 {
     rToken = pSelector->GetString();
-    rClass = "";
+    rClass.clear();
     rScriptFlags = CSS1_SCRIPT_ALL;
 
     CSS1SelectorType eType = pSelector->GetType();
@@ -1700,7 +1700,7 @@ void SwHTMLParser::EndStyle()
     if( !aStyleSource.isEmpty() )
     {
         pCSS1Parser->ParseStyleSheet( aStyleSource );
-        aStyleSource = "";
+        aStyleSource.clear();
     }
 }
 
diff --git a/sw/source/filter/html/htmlctxt.cxx b/sw/source/filter/html/htmlctxt.cxx
index 794ade0d2b8e..5e8ecf30f939 100644
--- a/sw/source/filter/html/htmlctxt.cxx
+++ b/sw/source/filter/html/htmlctxt.cxx
@@ -447,7 +447,7 @@ bool SwHTMLParser::DoPositioning( SfxItemSet &rItemSet,
         InsertFlyFrame( aFrmItemSet, pContext, rPropInfo.aId,
                         CONTEXT_FLAGS_ABSPOS );
         pContext->SetPopStack( true );
-        rPropInfo.aId = "";
+        rPropInfo.aId.clear();
         bRet = true;
     }
 
diff --git a/sw/source/filter/html/htmldrawreader.cxx b/sw/source/filter/html/htmldrawreader.cxx
index e15605e80c2b..6c9a11decbfa 100644
--- a/sw/source/filter/html/htmldrawreader.cxx
+++ b/sw/source/filter/html/htmldrawreader.cxx
@@ -252,7 +252,7 @@ void SwHTMLParser::NewMarquee( HTMLTable *pCurTable )
 {
 
     OSL_ENSURE( !pMarquee, "Marquee in Marquee???" );
-    aContents = "";
+    aContents.clear();
 
     OUString aId, aStyle, aClass;
 
@@ -562,7 +562,7 @@ void SwHTMLParser::EndMarquee()
         static_cast<SdrTextObj*>(pMarquee)->FitFrameToTextSize();
     }
 
-    aContents = "";
+    aContents.clear();
     pMarquee = 0;
 }
 
diff --git a/sw/source/filter/html/htmlfld.cxx b/sw/source/filter/html/htmlfld.cxx
index 1a120ccb454f..0ded359451b4 100644
--- a/sw/source/filter/html/htmlfld.cxx
+++ b/sw/source/filter/html/htmlfld.cxx
@@ -573,7 +573,7 @@ void SwHTMLParser::EndField()
     }
 
     bInField = false;
-    aContents = "";
+    aContents.clear();
 }
 
 void SwHTMLParser::InsertFieldText()
diff --git a/sw/source/filter/html/htmlform.cxx b/sw/source/filter/html/htmlform.cxx
index 770f25d29006..4e201f963142 100644
--- a/sw/source/filter/html/htmlform.cxx
+++ b/sw/source/filter/html/htmlform.cxx
@@ -825,7 +825,7 @@ static void lcl_html_setEvents(
         rDesc.EventMethod = sMethod;
         rDesc.ScriptType = rType;
         rDesc.ScriptCode = sCode;
-        rDesc.AddListenerParam = "";
+        rDesc.AddListenerParam.clear();
 
         if(!rUnoMacroParamTbl.empty())
         {
diff --git a/sw/source/filter/html/htmlgrin.cxx b/sw/source/filter/html/htmlgrin.cxx
index b8552c20b86c..808e0eaaafd7 100644
--- a/sw/source/filter/html/htmlgrin.cxx
+++ b/sw/source/filter/html/htmlgrin.cxx
@@ -700,14 +700,14 @@ IMAGE_SETEVENT:
         if (pStream)
         {
             if (GRFILTER_OK == GraphicFilter::GetGraphicFilter().ImportGraphic(aGraphic, "", *pStream))
-                sGrfNm = "";
+                sGrfNm.clear();
         }
     }
     // sBaseURL is empty if the source is clipboard
     else if (sBaseURL.isEmpty())
     {
         if (GRFILTER_OK == GraphicFilter::GetGraphicFilter().ImportGraphic(aGraphic, aGraphicURL))
-            sGrfNm = "";
+            sGrfNm.clear();
     }
     if (!sGrfNm.isEmpty())
     {
@@ -1155,7 +1155,7 @@ ANCHOR_SETEVENT:
                     sCmp == "outline" ||
                     sCmp == "text" )
                 {
-                    aName = "";
+                    aName.clear();
                 }
             }
         }
diff --git a/sw/source/filter/html/htmlnumreader.cxx b/sw/source/filter/html/htmlnumreader.cxx
index 8d774d4cc8f0..bcd3150d351e 100644
--- a/sw/source/filter/html/htmlnumreader.cxx
+++ b/sw/source/filter/html/htmlnumreader.cxx
@@ -247,7 +247,7 @@ void SwHTMLParser::NewNumBulList( int nToken )
         bChangeNumFmt = true;
     }
     else
-        aBulletGrfs[nLevel] = "";
+        aBulletGrfs[nLevel].clear();
 
     // den aktuellen Absatz erst einmal nicht numerieren
     {
diff --git a/sw/source/filter/html/htmlnumwriter.cxx b/sw/source/filter/html/htmlnumwriter.cxx
index de244644fe68..94c57e303e4f 100644
--- a/sw/source/filter/html/htmlnumwriter.cxx
+++ b/sw/source/filter/html/htmlnumwriter.cxx
@@ -179,7 +179,7 @@ Writer& OutHTML_NumBulListStart( SwHTMLWriter& rWrt,
     {
         rWrt.OutNewLine(); // <OL>/<UL> in eine neue Zeile
 
-        rWrt.aBulletGrfs[i] = "";
+        rWrt.aBulletGrfs[i].clear();
         OStringBuffer sOut;
         sOut.append('<');
         const SwNumFmt& rNumFmt = rInfo.GetNumRule()->Get( i );
diff --git a/sw/source/filter/html/htmlsect.cxx b/sw/source/filter/html/htmlsect.cxx
index 09f555c859e5..404d13b93cde 100644
--- a/sw/source/filter/html/htmlsect.cxx
+++ b/sw/source/filter/html/htmlsect.cxx
@@ -365,7 +365,7 @@ void SwHTMLParser::NewDivision( int nToken )
 
         // keine text::Bookmarks mit dem gleichen Namen wie Bereiche einfuegen
         if( !aPropInfo.aId.isEmpty() && aPropInfo.aId==aName )
-            aPropInfo.aId = "";
+            aPropInfo.aId.clear();
     }
     else
     {
@@ -645,7 +645,7 @@ void SwHTMLParser::NewMultiCol( sal_uInt16 columnsFromCss )
         if( nCols < 2 )
         {
             aFlyName = aId;
-            aPropInfo.aId = "";
+            aPropInfo.aId.clear();
         }
 
         InsertFlyFrame( aFrmItemSet, pCntxt, aFlyName, CONTEXT_FLAGS_ABSPOS );
@@ -753,7 +753,7 @@ void SwHTMLParser::NewMultiCol( sal_uInt16 columnsFromCss )
 
         // Insert a bookmark if its name differs from the section's name only.
         if( !aPropInfo.aId.isEmpty() && aPropInfo.aId==aName )
-            aPropInfo.aId = "";
+            aPropInfo.aId.clear();
     }
 
     // Additional attributes must be set as hard ones.
diff --git a/sw/source/filter/html/parcss1.cxx b/sw/source/filter/html/parcss1.cxx
index 1a96cfd9fe62..b901b5fb2ccd 100644
--- a/sw/source/filter/html/parcss1.cxx
+++ b/sw/source/filter/html/parcss1.cxx
@@ -105,7 +105,7 @@ sal_Unicode CSS1Parser::GetNextChar()
 CSS1Token CSS1Parser::GetNextToken()
 {
     CSS1Token nRet = CSS1_NULL;
-    aToken = "";
+    aToken.clear();
 
     do {
         // Merken, ob davor White-Space gelesen wurde
@@ -176,7 +176,7 @@ CSS1Token CSS1Parser::GetNextToken()
                     // Blocks ignorieren
                     if( CSS1_NULL==nRet )
                     {
-                        aToken = "";
+                        aToken.clear();
                         sal_uInt16 nBlockLvl = 0;
                         sal_Unicode cQuoteCh = 0;
                         bool bDone = false, bEscape = false;
diff --git a/sw/source/filter/html/svxcss1.cxx b/sw/source/filter/html/svxcss1.cxx
index 745b87f3270e..8960e3306e61 100644
--- a/sw/source/filter/html/svxcss1.cxx
+++ b/sw/source/filter/html/svxcss1.cxx
@@ -400,7 +400,7 @@ void SvxCSS1PropertyInfo::DestroyBorderInfos()
 
 void SvxCSS1PropertyInfo::Clear()
 {
-    aId = "";
+    aId.clear();
     bTopMargin = bBottomMargin = false;
     bLeftMargin = bRightMargin = bTextIndent = false;
     nLeftMargin = nRightMargin = 0;
@@ -1554,7 +1554,7 @@ static void ParseCSS1_background( const CSS1Expression *pExpr,
     if( bTransparent )
     {
         bColor = false;
-        aURL = "";
+        aURL.clear();
     }
 
     // repeat hat prio gegenueber einer Position
diff --git a/sw/source/filter/html/swhtml.cxx b/sw/source/filter/html/swhtml.cxx
index fe225ba83683..d2c6212dc8ac 100644
--- a/sw/source/filter/html/swhtml.cxx
+++ b/sw/source/filter/html/swhtml.cxx
@@ -1004,7 +1004,7 @@ void SwHTMLParser::NextToken( int nToken )
                     }
                 }
                 bInTitle = false;
-                sTitle = "";
+                sTitle.clear();
                 break;
 
             case HTML_NONBREAKSPACE:
@@ -1070,7 +1070,7 @@ void SwHTMLParser::NextToken( int nToken )
             case HTML_NOEMBED_OFF:
                 aContents = convertLineEnd(aContents, GetSystemLineEnd());
                 InsertComment( aContents, OOO_STRING_SVTOOLS_HTML_noembed );
-                aContents = "";
+                aContents.clear();
                 bCallNextToken = false;
                 bInNoEmbed = false;
                 break;
@@ -1242,12 +1242,12 @@ void SwHTMLParser::NextToken( int nToken )
             case HTML_HEAD_OFF:
             case HTML_BODY_ON:
             case HTML_IMAGE:        // Don't know why Netscape acts this way.
-                aUnknownToken = "";
+                aUnknownToken.clear();
                 break;
             case HTML_TEXTTOKEN:
                 return;
             default:
-                aUnknownToken = "";
+                aUnknownToken.clear();
                 break;
             }
         }
@@ -1259,7 +1259,7 @@ void SwHTMLParser::NextToken( int nToken )
         if( !aStyleSource.isEmpty() )
         {
             pCSS1Parser->ParseStyleSheet( aStyleSource );
-            aStyleSource = "";
+            aStyleSource.clear();
         }
         if( IsNewDoc() )
         {
@@ -1885,7 +1885,7 @@ void SwHTMLParser::NextToken( int nToken )
         if( !aStyleSource.isEmpty() )
         {
             pCSS1Parser->ParseStyleSheet( aStyleSource );
-            aStyleSource = "";
+            aStyleSource.clear();
         }
         break;
 
diff --git a/sw/source/filter/html/wrthtml.cxx b/sw/source/filter/html/wrthtml.cxx
index 07aa27f6bac7..e32983e96d42 100644
--- a/sw/source/filter/html/wrthtml.cxx
+++ b/sw/source/filter/html/wrthtml.cxx
@@ -484,9 +484,9 @@ sal_uLong SwHTMLWriter::WriteStream()
     ClearNextNumInfo();
 
     for( i=0; i<MAXLEVEL; i++ )
-        aBulletGrfs[i] = "";
+        aBulletGrfs[i].clear();
 
-    aNonConvertableCharacters = "";
+    aNonConvertableCharacters.clear();
 
     if( bShowProgress )
         ::EndProgress( pDoc->GetDocShell() );
diff --git a/sw/source/filter/ww8/docxattributeoutput.cxx b/sw/source/filter/ww8/docxattributeoutput.cxx
index a37b1a8d1a4a..b45371b833cf 100644
--- a/sw/source/filter/ww8/docxattributeoutput.cxx
+++ b/sw/source/filter/ww8/docxattributeoutput.cxx
@@ -305,7 +305,7 @@ void DocxAttributeOutput::StartParagraph( ww8::WW8TableNodeInfo::Pointer_t pText
         // This is the common case: "close sdt before the current paragraph" was requrested by the next paragraph.
         EndSdtBlock();
         m_bStartedParaSdt = false;
-        m_aStartedParagraphSdtPrAlias = "";
+        m_aStartedParagraphSdtPrAlias.clear();
     }
     m_bHadSectPr = false;
 
@@ -339,7 +339,7 @@ static void lcl_deleteAndResetTheLists( ::sax_fastparser::FastAttributeList* &pS
         pSdtPrDataBindingAttrs = NULL;
     }
     if (!rSdtPrAlias.isEmpty())
-        rSdtPrAlias = "";
+        rSdtPrAlias.clear();
 }
 
 void DocxAttributeOutput::PopulateFrameProperties(const SwFrmFmt* pFrmFmt, const Size& rSize)
@@ -698,7 +698,7 @@ void DocxAttributeOutput::WriteSdtBlock( sal_Int32& nSdtPrToken,
             // do not delete yet; it's in xAttrList inside the parser
             pSdtPrDataBindingAttrs = NULL;
         }
-        rSdtPrAlias = "";
+        rSdtPrAlias.clear();
     }
 }
 
@@ -1137,7 +1137,7 @@ void DocxAttributeOutput::EndRun()
     DoWriteBookmarks( );
     DoWriteAnnotationMarks( );
 
-    if( m_closeHyperlinkInThisRun && m_startedHyperlink && m_hyperLinkAnchor != "" && m_hyperLinkAnchor.startsWith("_Toc"))
+    if( m_closeHyperlinkInThisRun && m_startedHyperlink && !m_hyperLinkAnchor.isEmpty() && m_hyperLinkAnchor.startsWith("_Toc"))
     {
         OUString sToken;
         m_pSerializer->startElementNS( XML_w, XML_r, FSEND );
@@ -1237,7 +1237,7 @@ void DocxAttributeOutput::EndRun()
                         FSEND );
                 m_pSerializer->endElementNS( XML_w, XML_r );
                 m_endPageRef = false;
-                m_hyperLinkAnchor = "";
+                m_hyperLinkAnchor.clear();
             }
             for ( int i = 0; i < m_nFieldsInHyperlink; i++ )
             {
@@ -2273,7 +2273,7 @@ bool DocxAttributeOutput::StartURL( const OUString& rUrl, const OUString& rTarge
 bool DocxAttributeOutput::EndURL(bool const)
 {
     m_closeHyperlinkInThisRun = true;
-    if(m_startedHyperlink && m_hyperLinkAnchor != "" && m_hyperLinkAnchor.startsWith("_Toc"))
+    if(m_startedHyperlink && !m_hyperLinkAnchor.isEmpty() && m_hyperLinkAnchor.startsWith("_Toc"))
     {
         m_endPageRef = true;
     }
@@ -5749,7 +5749,7 @@ void DocxAttributeOutput::EmbedFontStyle( const OUString& name, int tag, FontFam
         if( file.open( osl_File_OpenFlag_Read ) != osl::File::E_None )
             return;
         uno::Reference< com::sun::star::io::XOutputStream > xOutStream = m_rExport.GetFilter().openFragmentStream(
-            OUString( "word/fonts/font" ) + OUString::number(m_nextFontId) + ".odttf",
+            "word/fonts/font" + OUString::number(m_nextFontId) + ".odttf",
             "application/vnd.openxmlformats-officedocument.obfuscatedFont" );
         // Not much point in trying hard with the obfuscation key, whoever reads the spec can read the font anyway,
         // so just alter the first and last part of the key.
@@ -5800,7 +5800,7 @@ void DocxAttributeOutput::EmbedFontStyle( const OUString& name, int tag, FontFam
         xOutStream->closeOutput();
         OString relId = OUStringToOString( GetExport().GetFilter().addRelation( m_pSerializer->getOutputStream(),
             "http://schemas.openxmlformats.org/officeDocument/2006/relationships/font",
-            OUString( "fonts/font" ) + OUString::number( m_nextFontId ) + ".odttf" ), RTL_TEXTENCODING_UTF8 );
+            "fonts/font" + OUString::number( m_nextFontId ) + ".odttf" ), RTL_TEXTENCODING_UTF8 );
         EmbeddedFontRef ref;
         ref.relId = relId;
         ref.fontKey = fontKeyStr;
@@ -7563,7 +7563,7 @@ void DocxAttributeOutput::FormatBackground( const SvxBrushItem& rBrush )
             m_pBackgroundAttrList->add( FSNS( XML_w, XML_fill ), sColor.getStr() );
             m_pBackgroundAttrList->add( FSNS( XML_w, XML_val ), "clear" );
         }
-        m_sOriginalBackgroundColor = "";
+        m_sOriginalBackgroundColor.clear();
     }
 }
 
diff --git a/sw/source/filter/ww8/docxsdrexport.cxx b/sw/source/filter/ww8/docxsdrexport.cxx
index 9b05166afd80..c796fc575a65 100644
--- a/sw/source/filter/ww8/docxsdrexport.cxx
+++ b/sw/source/filter/ww8/docxsdrexport.cxx
@@ -1056,7 +1056,7 @@ void DocxSdrExport::writeDiagramRels(uno::Reference<xml::dom::XDocument> xDom,
         if (sExtension.equalsIgnoreAsciiCase(".WMF"))
             sContentType = "image/x-wmf";
         else
-            sContentType = OUString("image/") + sExtension.copy(1);
+            sContentType = "image/" + sExtension.copy(1);
         sRelId = sRelId.copy(3);
 
         StreamDataSequence dataSeq;
diff --git a/sw/source/filter/ww8/rtfexport.cxx b/sw/source/filter/ww8/rtfexport.cxx
index 7cdd3da64be4..dd9ec5e85df5 100644
--- a/sw/source/filter/ww8/rtfexport.cxx
+++ b/sw/source/filter/ww8/rtfexport.cxx
@@ -192,7 +192,7 @@ static bool IsExportNumRule(const SwNumRule& rRule, sal_uInt8* pEnd = 0)
     for (nLvl = 0; nLvl < nEnd; ++nLvl)
         if (SVX_NUM_NUMBER_NONE != (pNFmt = &rRule.Get(nLvl))
                 ->GetNumberingType() || !pNFmt->GetPrefix().isEmpty() ||
-                (!pNFmt->GetSuffix().isEmpty() && !pNFmt->GetSuffix().equals(".")))
+                (!pNFmt->GetSuffix().isEmpty() && pNFmt->GetSuffix() != "."))
             break;
 
     if (pEnd)
diff --git a/sw/source/filter/ww8/wrtw8nds.cxx b/sw/source/filter/ww8/wrtw8nds.cxx
index 4bcd6225b31f..7203ef509ac4 100644
--- a/sw/source/filter/ww8/wrtw8nds.cxx
+++ b/sw/source/filter/ww8/wrtw8nds.cxx
@@ -2113,7 +2113,7 @@ void MSWordExportBase::OutputTextNode( const SwTxtNode& rNode )
             2) Ensure that it is a text node and not in a fly.
             3) If the anchor is associated with a text node with empty text then we ignore.
         */
-        if ( rNode.IsTxtNode() && aStr != aStringForImage && aStr != ""  &&
+        if ( rNode.IsTxtNode() && aStr != aStringForImage && !aStr.isEmpty() &&
             !rNode.GetFlyFmt() && aAttrIter.IsAnchorLinkedToThisNode(rNode.GetIndex()))
             bPostponeWritingText = true ;
 
diff --git a/sw/source/filter/ww8/ww8atr.cxx b/sw/source/filter/ww8/ww8atr.cxx
index 35f9c9e66658..4b7907f29fd1 100644
--- a/sw/source/filter/ww8/ww8atr.cxx
+++ b/sw/source/filter/ww8/ww8atr.cxx
@@ -2027,7 +2027,7 @@ sal_uInt16 MSWordExportBase::GetId( const SwTOXType& rTOXType )
 static int lcl_CheckForm( const SwForm& rForm, sal_uInt8 nLvl, OUString& rText )
 {
     int nRet = 4;
-    rText = "";
+    rText.clear();
 
     // #i21237#
     SwFormTokens aPattern = rForm.GetPattern(nLvl);
@@ -2175,7 +2175,7 @@ void AttributeOutputBase::StartTOX( const SwSection& rSect )
                         else if ((4 == nRet) || (2 == nRet)) //#109414#
                             aFillTxt = "\t";
                         else
-                            aFillTxt = "";
+                            aFillTxt.clear();
                     }
                     sStr += "\\e \"";
                     sStr += aFillTxt;
@@ -2399,7 +2399,7 @@ void AttributeOutputBase::StartTOX( const SwSection& rSect )
                                     if( bFirstFillTxt )
                                         aFillTxt = aTxt;
                                     else if( aFillTxt != aTxt )
-                                        aFillTxt = "";
+                                        aFillTxt.clear();
                                     bFirstFillTxt = false;
                                 }
                             }
diff --git a/sw/source/filter/ww8/ww8par2.cxx b/sw/source/filter/ww8/ww8par2.cxx
index 4929642615af..0cd4d2cf882e 100644
--- a/sw/source/filter/ww8/ww8par2.cxx
+++ b/sw/source/filter/ww8/ww8par2.cxx
@@ -928,13 +928,13 @@ void SwWW8ImplReader::StartAnl(const sal_uInt8* pSprm13)
         {
             pNumRule = rDoc.FindNumRulePtr(sNumRule);
             if (!pNumRule)
-                sNumRule = "";
+                sNumRule.clear();
             else
             {
                 // this is ROW numbering ?
                 pS12 = pPlcxMan->HasParaSprm(bVer67 ? 12 : 0xC63E); // sprmAnld
                 if (pS12 && 0 != ((WW8_ANLD*)pS12)->fNumberAcross)
-                    sNumRule = "";
+                    sNumRule.clear();
             }
         }
     }
@@ -945,7 +945,7 @@ void SwWW8ImplReader::StartAnl(const sal_uInt8* pSprm13)
         sNumRule = pStyInf->pFmt->GetNumRule().GetValue();
         pNumRule = rDoc.FindNumRulePtr(sNumRule);
         if (!pNumRule)
-            sNumRule = "";
+            sNumRule.clear();
     }
 
     if (sNumRule.isEmpty())
@@ -4264,7 +4264,7 @@ void WW8RStyle::ImportOldFormatStyles()
         }
 
         if (sName.isEmpty())
-            sName = OUString("Unknown Style: ") + OUString::number(stc);
+            sName = "Unknown Style: " + OUString::number(stc);
 
         rSI.SetOrgWWIdent(sName, stc);
         stcp++;
diff --git a/sw/source/ui/dbui/mmlayoutpage.cxx b/sw/source/ui/dbui/mmlayoutpage.cxx
index 14c36fd94080..a89ed65b32c5 100644
--- a/sw/source/ui/dbui/mmlayoutpage.cxx
+++ b/sw/source/ui/dbui/mmlayoutpage.cxx
@@ -385,7 +385,7 @@ SwFrmFmt* SwMailMergeLayoutPage::InsertAddressFrame(
                     SwInsertFld_Data aData(TYP_HIDDENPARAFLD, 0, sHideParagraphsExpression, aEmptyOUStr, 0, &rShell );
                     aFldMgr.InsertFld( aData );
                 }
-                sHideParagraphsExpression = "";
+                sHideParagraphsExpression.clear();
                 //now add a new paragraph
                 rShell.SplitNode();
             }
diff --git a/sw/source/ui/dbui/mmoutputpage.cxx b/sw/source/ui/dbui/mmoutputpage.cxx
index 01a4d1f20d20..b5af54400312 100644
--- a/sw/source/ui/dbui/mmoutputpage.cxx
+++ b/sw/source/ui/dbui/mmoutputpage.cxx
@@ -1244,8 +1244,7 @@ IMPL_LINK(SwMailMergeOutputPage, SendDocumentsHdl_Impl, PushButton*, pButton)
                 OUString::createFromAscii(rtl_getBestMimeCharsetFromTextEncoding( eEncoding ));
         }
         else
-            aDesc.sBodyMimeType =
-                OUString("text/plain; charset=UTF-8; format=flowed");
+            aDesc.sBodyMimeType = "text/plain; charset=UTF-8; format=flowed";
 
         aDesc.sSubject = m_pSubjectED->GetText();
         aDesc.sCC = m_sCC;
diff --git a/sw/source/ui/fldui/fldpage.cxx b/sw/source/ui/fldui/fldpage.cxx
index 253032bedafa..49205e8e3f08 100644
--- a/sw/source/ui/fldui/fldpage.cxx
+++ b/sw/source/ui/fldui/fldpage.cxx
@@ -291,7 +291,7 @@ void SwFldPage::SavePos( const ListBox* pLst1, const ListBox* pLst2,
         if( (*ppLB) && (*ppLB)->GetEntryCount() )
             m_aLstStrArr[ i ] = (*ppLB)->GetSelectEntry();
         else
-            m_aLstStrArr[ i ] = "";
+            m_aLstStrArr[ i ].clear();
 }
 
 void SwFldPage::RestorePos(ListBox* pLst1, ListBox* pLst2, ListBox* pLst3)
diff --git a/sw/source/ui/fldui/fldref.cxx b/sw/source/ui/fldui/fldref.cxx
index 83f1aebee4d1..4be5ad338f76 100644
--- a/sw/source/ui/fldui/fldref.cxx
+++ b/sw/source/ui/fldui/fldref.cxx
@@ -533,13 +533,13 @@ void SwFldRefPage::UpdateSubType()
                      mpSavedSelectedTxtNode == maOutlineNodes[nOutlIdx] )
                 {
                     m_pSelectionToolTipLB->Select( pEntry );
-                    sOldSel = "";
+                    sOldSel.clear();
                     bCertainTxtNodeSelected = true;
                 }
                 else if ( !bCertainTxtNodeSelected && mnSavedSelectedPos == nOutlIdx )
                 {
                     m_pSelectionToolTipLB->Select( pEntry );
-                    sOldSel = "";
+                    sOldSel.clear();
                 }
             }
         }
@@ -561,13 +561,13 @@ void SwFldRefPage::UpdateSubType()
                      mpSavedSelectedTxtNode == maNumItems[nNumItemIdx]->GetTxtNode() )
                 {
                     m_pSelectionToolTipLB->Select( pEntry );
-                    sOldSel = "";
+                    sOldSel.clear();
                     bCertainTxtNodeSelected = true;
                 }
                 else if ( !bCertainTxtNodeSelected && mnSavedSelectedPos == nNumItemIdx )
                 {
                     m_pSelectionToolTipLB->Select( pEntry );
-                    sOldSel = "";
+                    sOldSel.clear();
                 }
             }
         }
@@ -583,7 +583,7 @@ void SwFldRefPage::UpdateSubType()
                 SwSeqFldList aArr;
                 // old selection should be kept in non-edit mode
                 if(IsFldEdit())
-                    sOldSel = "";
+                    sOldSel.clear();
 
                 const size_t nCnt = pType->GetSeqFldList( aArr );
                 for( size_t n = 0; n < nCnt; ++n )
@@ -812,7 +812,7 @@ bool SwFldRefPage::FillItemSet(SfxItemSet* )
 
             nTypeId = TYP_GETREFFLD;
             nSubType = REF_FOOTNOTE;
-            aName = "";
+            aName.clear();
 
             if (pSh->GetSeqFtnList(aArr) && aArr.SeekEntry(aElem, &nPos))
             {
@@ -833,7 +833,7 @@ bool SwFldRefPage::FillItemSet(SfxItemSet* )
 
             nTypeId = TYP_GETREFFLD;
             nSubType = REF_ENDNOTE;
-            aName = "";
+            aName.clear();
 
             if (pSh->GetSeqFtnList(aArr, true) && aArr.SeekEntry(aElem, &nPos))
             {
diff --git a/sw/source/ui/fmtui/tmpdlg.cxx b/sw/source/ui/fmtui/tmpdlg.cxx
index f9727379f1e5..4ac9c0f8fb19 100644
--- a/sw/source/ui/fmtui/tmpdlg.cxx
+++ b/sw/source/ui/fmtui/tmpdlg.cxx
@@ -74,8 +74,8 @@ SwTemplateDlg::SwTemplateDlg(vcl::Window* pParent,
                              SwWrtShell* pActShell,
                              bool bNew)
     : SfxStyleDialog(pParent,
-                    OUString("TemplateDialog") + OUString::number(nRegion),
-                    OUString("modules/swriter/ui/templatedialog") +
+                    "TemplateDialog" + OUString::number(nRegion),
+                    "modules/swriter/ui/templatedialog" +
                         OUString::number(nRegion) + ".ui",
                     rBase)
     , nType(nRegion)
diff --git a/sw/source/ui/frmdlg/frmdlg.cxx b/sw/source/ui/frmdlg/frmdlg.cxx
index fbea5bf60151..99dcd41a47bf 100644
--- a/sw/source/ui/frmdlg/frmdlg.cxx
+++ b/sw/source/ui/frmdlg/frmdlg.cxx
@@ -54,7 +54,7 @@ SwFrmDlg::SwFrmDlg( SfxViewFrame*       pViewFrame,
                     const OUString*     pStr)
 
     : SfxTabDialog(pViewFrame, pParent, sResType,
-        OUString("modules/swriter/ui/") +
+        "modules/swriter/ui/" +
         sResType.toAsciiLowerCase() +
         (".ui"), &rCoreSet, pStr != 0)
     , m_bFormat(bFormat)
diff --git a/sw/source/ui/index/cnttab.cxx b/sw/source/ui/index/cnttab.cxx
index 8bf0653b43d4..325ed0f2f9e5 100644
--- a/sw/source/ui/index/cnttab.cxx
+++ b/sw/source/ui/index/cnttab.cxx
@@ -712,7 +712,7 @@ SwAddStylesDlg_Impl::~SwAddStylesDlg_Impl()
 IMPL_LINK_NOARG(SwAddStylesDlg_Impl, OkHdl)
 {
     for(sal_uInt16 i = 0; i < MAXLEVEL; i++)
-        pStyleArr[i] = "";
+        pStyleArr[i].clear();
 
     SvTreeListEntry* pEntry = m_pHeaderTree->First();
     while(pEntry)
@@ -2415,7 +2415,7 @@ IMPL_LINK(SwTOXEntryTabPage, StyleSelectHdl, ListBox*, pBox)
     const bool bEqualsNoCharStyle = sEntry == sNoCharStyle;
     m_pEditStylePB->Enable(!bEqualsNoCharStyle);
     if (bEqualsNoCharStyle)
-        sEntry = "";
+        sEntry.clear();
     Control* pCtrl = m_pTokenWIN->GetActiveControl();
     OSL_ENSURE(pCtrl, "no active control?");
     if(pCtrl)
diff --git a/sw/source/ui/misc/srtdlg.cxx b/sw/source/ui/misc/srtdlg.cxx
index 9e511f3ea7ea..084c73ba1e0e 100644
--- a/sw/source/ui/misc/srtdlg.cxx
+++ b/sw/source/ui/misc/srtdlg.cxx
@@ -298,7 +298,7 @@ void SwSortDlg::Apply()
     {
         OUString sEntry( m_pTypDLB1->GetSelectEntry() );
         if( sEntry == aNumericTxt )
-            sEntry = "";
+            sEntry.clear();
         else if( 0 != (pUserData = m_pTypDLB1->GetEntryData(
                                             m_pTypDLB1->GetSelectEntryPos())) )
             sEntry = *(OUString*)pUserData;
@@ -312,7 +312,7 @@ void SwSortDlg::Apply()
     {
         OUString sEntry( m_pTypDLB2->GetSelectEntry() );
         if( sEntry == aNumericTxt )
-            sEntry = "";
+            sEntry.clear();
         else if( 0 != (pUserData = m_pTypDLB2->GetEntryData(
                                             m_pTypDLB2->GetSelectEntryPos())) )
             sEntry = *(OUString*)pUserData;
@@ -326,7 +326,7 @@ void SwSortDlg::Apply()
     {
         OUString sEntry( m_pTypDLB3->GetSelectEntry() );
         if( sEntry == aNumericTxt )
-            sEntry = "";
+            sEntry.clear();
         else if( 0 != (pUserData = m_pTypDLB3->GetEntryData(
                                             m_pTypDLB3->GetSelectEntryPos())) )
             sEntry = *(OUString*)pUserData;
diff --git a/sw/source/ui/vba/vbalisthelper.cxx b/sw/source/ui/vba/vbalisthelper.cxx
index 2cec7b34bcbf..db788a8c5c39 100644
--- a/sw/source/ui/vba/vbalisthelper.cxx
+++ b/sw/source/ui/vba/vbalisthelper.cxx
@@ -60,17 +60,17 @@ void SwVbaListHelper::Init() throw( css::uno::RuntimeException )
     {
         case word::WdListGalleryType::wdBulletGallery:
         {
-            msStyleName = OUString(WORD_BULLET_GALLERY );
+            msStyleName = WORD_BULLET_GALLERY;
             break;
         }
         case word::WdListGalleryType::wdNumberGallery:
         {
-            msStyleName = OUString(WORD_NUMBER_GALLERY );
+            msStyleName = WORD_NUMBER_GALLERY;
             break;
         }
         case word::WdListGalleryType::wdOutlineNumberGallery:
         {
-            msStyleName = OUString(WORD_OUTLINE_NUMBER_GALLERY );
+            msStyleName = WORD_OUTLINE_NUMBER_GALLERY;
             break;
         }
         default:
diff --git a/sw/source/uibase/app/appenv.cxx b/sw/source/uibase/app/appenv.cxx
index 2cafbbbc163f..3f0e1731708a 100644
--- a/sw/source/uibase/app/appenv.cxx
+++ b/sw/source/uibase/app/appenv.cxx
@@ -102,7 +102,7 @@ OUString InsertLabEnvText( SwWrtShell& rSh, SwFldMgr& rFldMgr, const OUString& r
                 if ( nPos == -1 )
                 {
                     sTmpText = aLine;
-                    aLine = "";
+                    aLine.clear();
                 }
                 else
                 {
diff --git a/sw/source/uibase/app/docstyle.cxx b/sw/source/uibase/app/docstyle.cxx
index 75046037067f..ce60c981dfd1 100644
--- a/sw/source/uibase/app/docstyle.cxx
+++ b/sw/source/uibase/app/docstyle.cxx
@@ -437,9 +437,9 @@ SwDocStyleSheet::SwDocStyleSheet( const SwDocStyleSheet& rOrg) :
 
 void  SwDocStyleSheet::Reset()
 {
-    aName = "";
-    aFollow = "";
-    aParent = "";
+    aName.clear();
+    aFollow.clear();
+    aParent.clear();
     SetPhysical(false);
 }
 
@@ -1808,7 +1808,7 @@ bool SwDocStyleSheet::FillStyleSheet( FillStyleType eFType )
             if( pDesc->GetPoolHlpFileId() != UCHAR_MAX )
                 aHelpFile = *rDoc.GetDocPattern( pDesc->GetPoolHlpFileId() );
             else
-                aHelpFile = "";
+                aHelpFile.clear();
         }
         else if( !bCreate )
             nPoolId = SwStyleNameMapper::GetPoolIdFromUIName( aName, nsSwGetPoolIdFromName::GET_POOLID_PAGEDESC );
@@ -1836,7 +1836,7 @@ bool SwDocStyleSheet::FillStyleSheet( FillStyleType eFType )
             if( pNumRule->GetPoolHlpFileId() != UCHAR_MAX )
                 aHelpFile = *rDoc.GetDocPattern( pNumRule->GetPoolHlpFileId() );
             else
-                aHelpFile = "";
+                aHelpFile.clear();
         }
         else if( !bCreate )
             nPoolId = SwStyleNameMapper::GetPoolIdFromUIName( aName, nsSwGetPoolIdFromName::GET_POOLID_NUMRULE );
@@ -1881,7 +1881,7 @@ bool SwDocStyleSheet::FillStyleSheet( FillStyleType eFType )
             if( pFmt->GetPoolHlpFileId() != UCHAR_MAX )
                 aHelpFile = *rDoc.GetDocPattern( pFmt->GetPoolHlpFileId() );
             else
-                aHelpFile = "";
+                aHelpFile.clear();
 
             if( RES_CONDTXTFMTCOLL == pFmt->Which() )
                 _nMask |= SWSTYLEBIT_CONDCOLL;
diff --git a/sw/source/uibase/dbui/dbmgr.cxx b/sw/source/uibase/dbui/dbmgr.cxx
index 6005d42dc9b0..f9204f19d86e 100644
--- a/sw/source/uibase/dbui/dbmgr.cxx
+++ b/sw/source/uibase/dbui/dbmgr.cxx
@@ -832,8 +832,7 @@ bool SwDBManager::MergeMailFiles(SwWrtShell* pSourceShell,
             eEncoding = rHtmlOptions.GetTextEncoding();
         }
         else
-            sBodyMimeType =
-                OUString("text/plain; charset=UTF-8; format=flowed");
+            sBodyMimeType = "text/plain; charset=UTF-8; format=flowed";
     }
 
     uno::Reference< XPropertySet > xColumnProp;
@@ -1863,7 +1862,7 @@ bool    SwDBManager::GetMergeColumnCnt(const OUString& rColumnName, sal_uInt16 n
 {
     if(!pImpl->pMergeData || !pImpl->pMergeData->xResultSet.is() || pImpl->pMergeData->bAfterSelection )
     {
-        rResult = "";
+        rResult.clear();
         return false;
     }
 
@@ -2509,7 +2508,7 @@ OUString SwDBManager::LoadAndRegisterDataSource(const DBConnURITypes type, const
         }
         catch(const Exception&)
         {
-            sFind = "";
+            sFind.clear();
         }
     return sFind;
 }
diff --git a/sw/source/uibase/dbui/mailmergehelper.cxx b/sw/source/uibase/dbui/mailmergehelper.cxx
index 8142dfc90685..8590b1f75c6e 100644
--- a/sw/source/uibase/dbui/mailmergehelper.cxx
+++ b/sw/source/uibase/dbui/mailmergehelper.cxx
@@ -478,7 +478,7 @@ OUString SwAddressPreview::FillData(
     }
 
     SwAddressIterator aIter(sAddress);
-    sAddress = "";
+    sAddress.clear();
     while(aIter.HasMore())
     {
         SwMergeAddressItem aItem = aIter.Next();
@@ -518,7 +518,7 @@ OUString SwAddressPreview::FillData(
                             if( !rExcludeCountry.isEmpty() && sReplace != rExcludeCountry )
                                 aItem.sText = sReplace;
                             else
-                                aItem.sText = "";
+                                aItem.sText.clear();
                         }
                         else
                         {
@@ -578,7 +578,7 @@ SwMergeAddressItem   SwAddressIterator::Next()
             else if(-1 == nOpen && -1 == nReturn)
             {
                 aRet.sText = sAddress;
-                sAddress = "";
+                sAddress.clear();
             }
             else
             {
diff --git a/sw/source/uibase/dochdl/swdtflvr.cxx b/sw/source/uibase/dochdl/swdtflvr.cxx
index 1c2c6c0f2d86..41603a2ba010 100644
--- a/sw/source/uibase/dochdl/swdtflvr.cxx
+++ b/sw/source/uibase/dochdl/swdtflvr.cxx
@@ -3643,7 +3643,7 @@ SwTrnsfrDdeLink::SwTrnsfrDdeLink( SwTransferable& rTrans, SwWrtShell& rSh )
                 rSh.ResetModified();
         }
         else
-            sName = "";
+            sName.clear();
         rSh.DoUndo( bUndo );
     }
 
diff --git a/sw/source/uibase/docvw/edtwin.cxx b/sw/source/uibase/docvw/edtwin.cxx
index 4e0a63607918..dfa4306a5177 100644
--- a/sw/source/uibase/docvw/edtwin.cxx
+++ b/sw/source/uibase/docvw/edtwin.cxx
@@ -900,7 +900,7 @@ void SwEditWin::FlushInBuffer()
                         nExpandSelection = nOldLen - nChgPos;
                     }
                     else
-                        m_aInBuffer = "";
+                        m_aInBuffer.clear();
                 }
                 else
                 {
@@ -962,7 +962,7 @@ void SwEditWin::FlushInBuffer()
 
         rSh.Insert( m_aInBuffer );
         m_eBufferLanguage = LANGUAGE_DONTKNOW;
-        m_aInBuffer = "";
+        m_aInBuffer.clear();
         bFlushCharBuffer = false;
     }
 }
diff --git a/sw/source/uibase/envelp/labelcfg.cxx b/sw/source/uibase/envelp/labelcfg.cxx
index f1f608c24be5..947540b06cf4 100644
--- a/sw/source/uibase/envelp/labelcfg.cxx
+++ b/sw/source/uibase/envelp/labelcfg.cxx
@@ -229,7 +229,7 @@ static Sequence<PropertyValue> lcl_CreateProperties(
             case 0: pValues[nProp].Value <<= OUString(rRec.aType); break;
             case 1:
             {
-                rMeasure = "";
+                rMeasure.clear();
                 rMeasure += rRec.bCont ? OUString( "C" ) : OUString( "S" );      rMeasure += sColon;
                 rMeasure += OUString::number( convertTwipToMm100( rRec.lHDist ) );   rMeasure += sColon;
                 rMeasure += OUString::number( convertTwipToMm100( rRec.lVDist ) );   rMeasure += sColon;
diff --git a/sw/source/uibase/fldui/fldmgr.cxx b/sw/source/uibase/fldui/fldmgr.cxx
index 44436f986d48..18e2562d7d24 100644
--- a/sw/source/uibase/fldui/fldmgr.cxx
+++ b/sw/source/uibase/fldui/fldmgr.cxx
@@ -288,9 +288,9 @@ SwField* SwFldMgr::GetCurFld()
         pCurFld = NULL;
 
     // initialise strings and format
-    aCurPar1 = "";
-    aCurPar2 = "";
-    sCurFrame = "";
+    aCurPar1.clear();
+    aCurPar2.clear();
+    sCurFrame.clear();
     nCurFmt = 0;
 
     if(!pCurFld)
diff --git a/sw/source/uibase/inc/view.hxx b/sw/source/uibase/inc/view.hxx
index 64b8dc9a8735..fd27dba2c106 100644
--- a/sw/source/uibase/inc/view.hxx
+++ b/sw/source/uibase/inc/view.hxx
@@ -557,7 +557,7 @@ public:
     inline void     FlipDrawSelMode()   { m_bDrawSelMode = !m_bDrawSelMode; }
     void            NoRotate();     // turn off rotate mode
     bool            EnterDrawTextMode(const Point& aDocPos);
-    void            LeaveDrawCreate()   { m_nDrawSfxId = m_nFormSfxId = USHRT_MAX; m_sDrawCustom = "";}
+    void            LeaveDrawCreate()   { m_nDrawSfxId = m_nFormSfxId = USHRT_MAX; m_sDrawCustom.clear();}
     bool            IsDrawMode()        { return (m_nDrawSfxId != USHRT_MAX || m_nFormSfxId != USHRT_MAX); }
     bool            IsFormMode() const;
     bool            IsBezierEditMode();
diff --git a/sw/source/uibase/ribbar/workctrl.cxx b/sw/source/uibase/ribbar/workctrl.cxx
index 2f2a502fe5de..629ff1513acc 100644
--- a/sw/source/uibase/ribbar/workctrl.cxx
+++ b/sw/source/uibase/ribbar/workctrl.cxx
@@ -492,7 +492,7 @@ IMPL_LINK(SwScrollNaviPopup, SelectHdl, ToolBox*, pSet)
         Sequence< PropertyValue > aArgs;
         OUString cmd(".uno:ScrollToPrevious");
         if (NID_NEXT == nSet)
-            cmd = OUString(".uno:ScrollToNext");
+            cmd = ".uno:ScrollToNext";
         SfxToolBoxControl::Dispatch( Reference< XDispatchProvider >( GetFrame()->getController(), UNO_QUERY ),
                                      cmd, aArgs );
     }
diff --git a/sw/source/uibase/shells/grfsh.cxx b/sw/source/uibase/shells/grfsh.cxx
index 31652274c3dd..b6714ce6e8ac 100644
--- a/sw/source/uibase/shells/grfsh.cxx
+++ b/sw/source/uibase/shells/grfsh.cxx
@@ -415,12 +415,12 @@ void SwGrfShell::Execute(SfxRequest &rReq)
                     if( !static_cast<const SvxBrushItem*>(pItem)->GetGraphicLink().isEmpty() )
                         sGrfNm = static_cast<const SvxBrushItem*>(pItem)->GetGraphicLink();
                     else
-                        sGrfNm = "";
+                        sGrfNm.clear();
 
                     if( !static_cast<const SvxBrushItem*>(pItem)->GetGraphicFilter().isEmpty() )
                         sFilterNm = static_cast<const SvxBrushItem*>(pItem)->GetGraphicFilter();
                     else
-                        sFilterNm = "";
+                        sFilterNm.clear();
 
                     if( !sGrfNm.isEmpty() )
                     {
diff --git a/sw/source/uibase/uiview/formatclipboard.cxx b/sw/source/uibase/uiview/formatclipboard.cxx
index 229fb83869ea..31adc5ac0acf 100644
--- a/sw/source/uibase/uiview/formatclipboard.cxx
+++ b/sw/source/uibase/uiview/formatclipboard.cxx
@@ -588,9 +588,9 @@ void SwFormatClipboard::Erase()
     m_pTableItemSet = 0;
 
     if( !m_aCharStyle.isEmpty() )
-        m_aCharStyle = "";
+        m_aCharStyle.clear();
     if( !m_aParaStyle.isEmpty() )
-        m_aParaStyle = "";
+        m_aParaStyle.clear();
 
     m_bPersistentCopy = false;
 }
diff --git a/sw/source/uibase/uiview/view.cxx b/sw/source/uibase/uiview/view.cxx
index 5fd4deb71035..d9c8990d9c0f 100644
--- a/sw/source/uibase/uiview/view.cxx
+++ b/sw/source/uibase/uiview/view.cxx
@@ -1217,7 +1217,7 @@ void SwView::ReadUserData( const OUString &rUserData, bool bBrowse )
                     m_pWrtShell->EnterSelFrmMode( &aCrsrPos2 );
                 }
                 m_pWrtShell->MakeSelVisible();
-                m_sNewCrsrPos = "";
+                m_sNewCrsrPos.clear();
             }
             else if(USHRT_MAX != m_nNewPage)
             {
diff --git a/sw/source/uibase/uiview/view1.cxx b/sw/source/uibase/uiview/view1.cxx
index b35767476df2..85bd42692725 100644
--- a/sw/source/uibase/uiview/view1.cxx
+++ b/sw/source/uibase/uiview/view1.cxx
@@ -75,7 +75,7 @@ void SwView::Activate(bool bMDIActivate)
         if( !m_sSwViewData.isEmpty() )
         {
             ReadUserData(m_sSwViewData, false);
-            m_sSwViewData = "";
+            m_sSwViewData.clear();
         }
 
         AttrChangedNotify(m_pWrtShell);
diff --git a/sw/source/uibase/uiview/viewdraw.cxx b/sw/source/uibase/uiview/viewdraw.cxx
index d3e3705206a4..43037c9c6ea6 100644
--- a/sw/source/uibase/uiview/viewdraw.cxx
+++ b/sw/source/uibase/uiview/viewdraw.cxx
@@ -263,7 +263,7 @@ void SwView::ExecDraw(SfxRequest& rReq)
         case SID_DRAW_SELECT:
             pFuncPtr = new DrawSelection(m_pWrtShell, m_pEditWin, this);
             m_nDrawSfxId = m_nFormSfxId = SID_OBJECT_SELECT;
-            m_sDrawCustom = "";
+            m_sDrawCustom.clear();
             break;
 
         case SID_DRAW_LINE:
@@ -276,7 +276,7 @@ void SwView::ExecDraw(SfxRequest& rReq)
         case SID_DRAW_CAPTION_VERTICAL:
             pFuncPtr = new ConstRectangle(m_pWrtShell, m_pEditWin, this);
             m_nDrawSfxId = nSlotId;
-            m_sDrawCustom = "";
+            m_sDrawCustom.clear();
             break;
 
         case SID_DRAW_POLYGON_NOFILL:
@@ -284,7 +284,7 @@ void SwView::ExecDraw(SfxRequest& rReq)
         case SID_DRAW_FREELINE_NOFILL:
             pFuncPtr = new ConstPolygon(m_pWrtShell, m_pEditWin, this);
             m_nDrawSfxId = nSlotId;
-            m_sDrawCustom = "";
+            m_sDrawCustom.clear();
             break;
 
         case SID_DRAW_ARC:
@@ -292,7 +292,7 @@ void SwView::ExecDraw(SfxRequest& rReq)
         case SID_DRAW_CIRCLECUT:
             pFuncPtr = new ConstArc(m_pWrtShell, m_pEditWin, this);
             m_nDrawSfxId = nSlotId;
-            m_sDrawCustom = "";
+            m_sDrawCustom.clear();
             break;
 
         case SID_FM_CREATE_CONTROL:
@@ -645,7 +645,7 @@ void SwView::SetDrawFuncPtr(SwDrawBase* pFuncPtr)
 void SwView::SetSelDrawSlot()
 {
     m_nDrawSfxId = SID_OBJECT_SELECT;
-    m_sDrawCustom = "";
+    m_sDrawCustom.clear();
 }
 
 bool SwView::AreOnlyFormsSelected() const
diff --git a/sw/source/uibase/uno/SwXFilterOptions.cxx b/sw/source/uibase/uno/SwXFilterOptions.cxx
index 57477a0a3661..fef02b76f6bc 100644
--- a/sw/source/uibase/uno/SwXFilterOptions.cxx
+++ b/sw/source/uibase/uno/SwXFilterOptions.cxx
@@ -67,7 +67,7 @@ uno::Sequence< beans::PropertyValue > SwXFilterOptions::getPropertyValues() thro
     uno::Sequence<beans::PropertyValue> aRet(1);
     beans::PropertyValue* pArray = aRet.getArray();
 
-    pArray[0].Name = OUString( FILTER_OPTIONS_NAME );
+    pArray[0].Name = FILTER_OPTIONS_NAME;
     pArray[0].Value <<= sFilterOptions;
 
     return aRet;
diff --git a/sw/source/uibase/uno/unomailmerge.cxx b/sw/source/uibase/uno/unomailmerge.cxx
index 39627971b482..5d96097863b3 100644
--- a/sw/source/uibase/uno/unomailmerge.cxx
+++ b/sw/source/uibase/uno/unomailmerge.cxx
@@ -811,7 +811,7 @@ uno::Any SAL_CALL SwXMailMerge::execute(
     if ( xCurModel.get() != xModel.get() )
     {   // in case it was a temporary model -> close it, and delete the file
         DeleteTmpFile_Impl( xCurModel, xCurDocSh, aTmpFileName );
-        aTmpFileName = "";
+        aTmpFileName.clear();
     }
     // (in case it wasn't a temporary model, it will be closed in the dtor, at the latest)
 
diff --git a/sw/source/uibase/uno/unotxdoc.cxx b/sw/source/uibase/uno/unotxdoc.cxx
index 56c148b939f5..ea3683fc8017 100644
--- a/sw/source/uibase/uno/unotxdoc.cxx
+++ b/sw/source/uibase/uno/unotxdoc.cxx
@@ -1784,15 +1784,15 @@ Sequence< OUString > SwXTextDocument::getSupportedServiceNames(void) throw( Runt
     Sequence< OUString > aRet (3);
     OUString* pArray = aRet.getArray();
 
-    pArray[0] = OUString ( ( "com.sun.star.document.OfficeDocument"  ) );
-    pArray[1] = OUString ( ( "com.sun.star.text.GenericTextDocument" ) );
+    pArray[0] = "com.sun.star.document.OfficeDocument";
+    pArray[1] = "com.sun.star.text.GenericTextDocument";
 
     if (bTextDoc)
-        pArray[2] = OUString ( ( "com.sun.star.text.TextDocument" ) );
+        pArray[2] = "com.sun.star.text.TextDocument";
     else if (bWebDoc)
-        pArray[2] = OUString ( ( "com.sun.star.text.WebDocument" ) );
+        pArray[2] = "com.sun.star.text.WebDocument";
     else if (bGlobalDoc)
-        pArray[2] = OUString ( ( "com.sun.star.text.GlobalDocument" ) );
+        pArray[2] = "com.sun.star.text.GlobalDocument";
 
     return aRet;
 }
@@ -3425,7 +3425,7 @@ Any SwXLinkTargetSupplier::getByName(const OUString& rName)
     }
     else if(sToCompare == sBookmarks)
     {
-        sSuffix = "";
+        sSuffix.clear();
         Reference< XNameAccess >  xBkms = new SwXLinkNameAccessWrapper(
                                         pxDoc->getBookmarks(), sToCompare, sSuffix );
         Reference< XPropertySet >  xRet(xBkms, UNO_QUERY);