6 files changed, 12 insertions, 10 deletions
diff --git a/xmloff/source/draw/animationexport.cxx b/xmloff/source/draw/animationexport.cxx
index 6efa20d7b5c5..1229b5f922d0 100644
--- a/xmloff/source/draw/animationexport.cxx
+++ b/xmloff/source/draw/animationexport.cxx
@@ -1235,7 +1235,7 @@ void AnimationsExporterImpl::exportAnimate( const Reference< XAnimate >& xAnimat
                     if( !sTmp.isEmpty() )
                         sTmp.append( ';' );
 
-                    sTmp.append( OUString::number(p->Time) + "," + OUString::number(p->Progress) );
+                    sTmp.append( OUString::number(p->Time) ).append( "," ).append( OUString::number(p->Progress) );
 
                     p++;
                 }
diff --git a/xmloff/source/draw/shapeexport.cxx b/xmloff/source/draw/shapeexport.cxx
index 36342fb1c66b..9936f974183d 100644
--- a/xmloff/source/draw/shapeexport.cxx
+++ b/xmloff/source/draw/shapeexport.cxx
@@ -3758,7 +3758,7 @@ void ExportParameter( OUStringBuffer& rStrBuffer, const css::drawing::EnhancedCu
         {
             case css::drawing::EnhancedCustomShapeParameterType::EQUATION :
             {
-                rStrBuffer.append( "?f" + OUString::number( nValue ) );
+                rStrBuffer.append( "?f" ).append(OUString::number( nValue ) );
             }
             break;
 
diff --git a/xmloff/source/style/xmlbahdl.cxx b/xmloff/source/style/xmlbahdl.cxx
index 6a348b436006..debf07244872 100644
--- a/xmloff/source/style/xmlbahdl.cxx
+++ b/xmloff/source/style/xmlbahdl.cxx
@@ -488,7 +488,9 @@ bool XMLColorPropHdl::exportXML( OUString& rStrExpValue, const Any& rValue, cons
         Sequence< double > aHSL;
         if( (rValue >>= aHSL) && (aHSL.getLength() == 3) )
         {
-            aOut.append( "hsl(" + OUString::number(aHSL[0]) + "," + OUString::number(aHSL[1] * 100.0) + "%," + OUString::number(aHSL[2] * 100.0) + "%)" );
+            aOut.append( "hsl(" ).append( OUString::number(aHSL[0]) ).append( "," )
+                .append( OUString::number(aHSL[1] * 100.0) ).append( "%," )
+                .append( OUString::number(aHSL[2] * 100.0) ).append( "%)" );
             rStrExpValue = aOut.makeStringAndClear();
 
             bRet = true;
diff --git a/xmloff/source/style/xmlexppr.cxx b/xmloff/source/style/xmlexppr.cxx
index 80dd7e979dc9..e86521ca7f4a 100644
--- a/xmloff/source/style/xmlexppr.cxx
+++ b/xmloff/source/style/xmlexppr.cxx
@@ -949,7 +949,7 @@ void SvXMLExportPropertyMapper::_exportXML(
                                 pNamespaceMap = pNewNamespaceMap;
                             }
                             pNewNamespaceMap->Add( sPrefix, sNamespace );
-                            sNameBuffer.append( GetXMLToken(XML_XMLNS) + ":" + sPrefix );
+                            sNameBuffer.append( GetXMLToken(XML_XMLNS) ).append( ":" ).append( sPrefix );
                             rAttrList.AddAttribute( sNameBuffer.makeStringAndClear(),
                                                     sNamespace );
                         }
diff --git a/xmloff/source/style/xmlnumfi.cxx b/xmloff/source/style/xmlnumfi.cxx
index 59b48edf7c70..17a86b0ebfaf 100644
--- a/xmloff/source/style/xmlnumfi.cxx
+++ b/xmloff/source/style/xmlnumfi.cxx
@@ -2044,7 +2044,7 @@ void SvXMLNumFormatContext::AddCurrency( const OUString& rContent, LanguageType
         if ( nLang != LANGUAGE_SYSTEM )
         {
             //  '-' sign and language code in hex:
-            aFormatCode.append("-" + OUString::number(sal_uInt16(nLang), 16).toAsciiUpperCase());
+            aFormatCode.append("-").append(OUString::number(sal_uInt16(nLang), 16).toAsciiUpperCase());
         }
 
         aFormatCode.append( ']' );    // end of "new" currency symbol
@@ -2075,7 +2075,7 @@ void SvXMLNumFormatContext::AddNfKeyword( sal_uInt16 nIndex )
         if ( !bTruncate && !bHasDateTime )
         {
             //  with truncate-on-overflow = false, add "[]" to first time part
-            aFormatCode.append("[" + sKeyword + "]");
+            aFormatCode.append("[").append(sKeyword).append("]");
         }
         else
         {
@@ -2200,7 +2200,7 @@ void SvXMLNumFormatContext::AddCondition( const sal_Int32 nIndex )
                     sRealCond = sRealCond.replaceAt( nPos, 1, rDecSep );
                 }
             }
-            aConditions.append("[" + sRealCond + "]");
+            aConditions.append("[").append(sRealCond).append("]");
         }
 
         const SvNumberformat* pFormat = pFormatter->GetEntry(l_nKey);
diff --git a/xmloff/source/xforms/xformsexport.cxx b/xmloff/source/xforms/xformsexport.cxx
index 69a8d703f117..d31ddcc9a1a2 100644
--- a/xmloff/source/xforms/xformsexport.cxx
+++ b/xmloff/source/xforms/xformsexport.cxx
@@ -659,9 +659,9 @@ OUString xforms_bool( const Any& rAny )
 
 void xforms_formatDate( OUStringBuffer& aBuffer, const util::Date& rDate )
 {
-    aBuffer.append(OUString::number(static_cast<sal_Int32>( rDate.Year ) )
-            + "-" + OUString::number(static_cast<sal_Int32>( rDate.Month ))
-            + "-" + OUString::number(static_cast<sal_Int32>( rDate.Day )) );
+    aBuffer.append(OUString::number(static_cast<sal_Int32>( rDate.Year ) ))
+            .append("-").append(OUString::number(static_cast<sal_Int32>( rDate.Month )))
+            .append("-").append(OUString::number(static_cast<sal_Int32>( rDate.Day )));
 }
 
 void xforms_formatTime( OUStringBuffer& aBuffer, const css::util::Time& rTime )