Deduplicate O(U)StringConcatenation

And use an overloaded helper function with a better (?) unified name
to show that the result is not an O(U)String.

Change-Id: I8956338b05d02bf46a6185828130ea8ef145d46b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/141203
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

15 files changed, 103 insertions, 103 deletions

diff --git a/sw/source/filter/ascii/ascatr.cxx b/sw/source/filter/ascii/ascatr.cxx
index 0a152b678476..c4f4d1249070 100644
--- a/sw/source/filter/ascii/ascatr.cxx
+++ b/sw/source/filter/ascii/ascatr.cxx
@@ -285,7 +285,7 @@ static Writer& OutASC_SwTextNode( Writer& rWrt, SwContentNode& rNode )
         }
 
         if (!level.isEmpty() || !numString.isEmpty())
-            rWrt.Strm().WriteUnicodeOrByteText(OUStringConcatenation(level + numString + " "));
+            rWrt.Strm().WriteUnicodeOrByteText(Concat2View(level + numString + " "));
     }
 
     OUString aStr( rNd.GetText() );
diff --git a/sw/source/filter/html/css1atr.cxx b/sw/source/filter/html/css1atr.cxx
index 6c489783aca0..f9ee4adf5005 100644
--- a/sw/source/filter/html/css1atr.cxx
+++ b/sw/source/filter/html/css1atr.cxx
@@ -333,7 +333,7 @@ void SwHTMLWriter::OutCSS1_Property( const char *pProp,
             }
             else
             {
-                HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false );
+                HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false );
                 return;
             }
             break;
@@ -583,7 +583,7 @@ void SwHTMLWriter::OutStyleSheet( const SwPageDesc& rPageDesc )
         DecIndentLevel();
 
         OutNewLine();
-        HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_style), false );
+        HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_style), false );
     }
     else
     {
@@ -2816,7 +2816,7 @@ static Writer& OutCSS1_SwFormatDrop( Writer& rWrt, const SfxPoolItem& rHt )
     }
     else
     {
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false );
     }
 
     return rWrt;
@@ -3331,7 +3331,7 @@ Writer& OutCSS1_SvxBox( Writer& rWrt, const SfxPoolItem& rHt )
         }
         else
         {
-            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false );
+            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false );
             return rWrt;
         }
     }
diff --git a/sw/source/filter/html/htmlatr.cxx b/sw/source/filter/html/htmlatr.cxx
index b3011ee78f0e..1bf0a45e82e3 100644
--- a/sw/source/filter/html/htmlatr.cxx
+++ b/sw/source/filter/html/htmlatr.cxx
@@ -135,7 +135,7 @@ void SwHTMLWriter::OutAndSetDefList( sal_uInt16 nNewLvl )
         {
             if( m_bLFPossible )
                 OutNewLine();
-            HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_deflist) );
+            HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_deflist) );
             IncIndentLevel();
             m_bLFPossible = true;
         }
@@ -147,7 +147,7 @@ void SwHTMLWriter::OutAndSetDefList( sal_uInt16 nNewLvl )
             DecIndentLevel();
             if( m_bLFPossible )
                 OutNewLine();
-            HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_deflist), false );
+            HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_deflist), false );
             m_bLFPossible = true;
         }
     }
@@ -159,7 +159,7 @@ void SwHTMLWriter::ChangeParaToken( HtmlTokenId nNew )
 {
     if( nNew != m_nLastParaToken && HtmlTokenId::PREFORMTXT_ON == m_nLastParaToken )
     {
-        HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_preformtxt), false );
+        HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_preformtxt), false );
         m_bLFPossible = true;
     }
     m_nLastParaToken = nNew;
@@ -775,7 +775,7 @@ static void OutHTML_SwFormat( Writer& rWrt, const SwFormat& rFormat,
     if( rHWrt.m_nDefListLvl > 0 && !bForceDL )
     {
         OString aTag = bDT ? OOO_STRING_SVTOOLS_HTML_dt : OOO_STRING_SVTOOLS_HTML_dd;
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHWrt.GetNamespace() + aTag) );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHWrt.GetNamespace() + aTag) );
     }
 
     if( pAdjItem &&
@@ -808,7 +808,7 @@ static void OutHTML_SwFormat( Writer& rWrt, const SwFormat& rFormat,
     if( (!rHWrt.m_bCfgOutStyles || rHWrt.mbXHTML) && rInfo.bParaPossible && !bPara &&
         (bHasParSpace || bXhtmlBlockQuote || pAdjItem) )
     {
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHWrt.GetNamespace() + rInfo.aToken) );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHWrt.GetNamespace() + rInfo.aToken) );
         aToken = OOO_STRING_SVTOOLS_HTML_parabreak;
         bPara = true;
         rHWrt.m_bNoAlign = false;
@@ -1000,9 +1000,9 @@ static void OutHTML_SwFormatOff( Writer& rWrt, const SwHTMLTextCollOutputInfo& r
         // - no styles are written and
         // - a lower spacing exists
         if( rInfo.bParaPossible && rInfo.bOutPara )
-            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_parabreak), false );
+            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_parabreak), false );
 
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHWrt.GetNamespace() + rInfo.aToken), false );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHWrt.GetNamespace() + rInfo.aToken), false );
         rHWrt.m_bLFPossible =
             rInfo.aToken != OOO_STRING_SVTOOLS_HTML_dt &&
             rInfo.aToken != OOO_STRING_SVTOOLS_HTML_dd &&
@@ -1013,7 +1013,7 @@ static void OutHTML_SwFormatOff( Writer& rWrt, const SwHTMLTextCollOutputInfo& r
         rHWrt.DecIndentLevel();
         if( rHWrt.m_bLFPossible )
             rHWrt.OutNewLine();
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_division), false );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_division), false );
         rHWrt.m_bLFPossible = true;
     }
 
@@ -2587,7 +2587,7 @@ Writer& OutHTML_SwTextNode( Writer& rWrt, const SwContentNode& rNode )
     // dot leaders: print the skipped page number in a different span element
     if (nIndexTab > -1) {
         OString sOut = OUStringToOString(rStr.subView(nIndexTab + 1), RTL_TEXTENCODING_ASCII_US);
-        rWrt.Strm().WriteOString( OStringConcatenation("</span><span>" + sOut + "</span>") );
+        rWrt.Strm().WriteOString( Concat2View("</span><span>" + sOut + "</span>") );
     }
 
     rHTMLWrt.m_bTagOn = false;
@@ -2666,9 +2666,9 @@ static Writer& OutHTML_SvxColor( Writer& rWrt, const SfxPoolItem& rHt )
     {
         if (rHTMLWrt.mbXHTML)
             HTMLOutFuncs::Out_AsciiTag(
-                rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false);
+                rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false);
         else
-            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_font), false );
+            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_font), false );
     }
 
     return rWrt;
@@ -2683,7 +2683,7 @@ static Writer& OutHTML_SwPosture( Writer& rWrt, const SfxPoolItem& rHt )
     const FontItalic nPosture = static_cast<const SvxPostureItem&>(rHt).GetPosture();
     if( ITALIC_NORMAL == nPosture )
     {
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_italic), rHTMLWrt.m_bTagOn );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_italic), rHTMLWrt.m_bTagOn );
     }
     else if( rHTMLWrt.m_bCfgOutStyles && rHTMLWrt.m_bTextAttr )
     {
@@ -2731,9 +2731,9 @@ static Writer& OutHTML_SvxFont( Writer& rWrt, const SfxPoolItem& rHt )
     {
         if (rHTMLWrt.mbXHTML)
             HTMLOutFuncs::Out_AsciiTag(
-                rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false);
+                rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false);
         else
-            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_font), false );
+            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_font), false );
     }
 
     return rWrt;
@@ -2785,9 +2785,9 @@ static Writer& OutHTML_SvxFontHeight( Writer& rWrt, const SfxPoolItem& rHt )
     {
         if (rHTMLWrt.mbXHTML)
             HTMLOutFuncs::Out_AsciiTag(
-                rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false);
+                rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false);
         else
-            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_font), false );
+            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_font), false );
     }
 
     return rWrt;
@@ -2812,7 +2812,7 @@ static Writer& OutHTML_SvxLanguage( Writer& rWrt, const SfxPoolItem& rHt )
     }
     else
     {
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false );
     }
 
     return rWrt;
@@ -2826,7 +2826,7 @@ static Writer& OutHTML_SwWeight( Writer& rWrt, const SfxPoolItem& rHt )
     const FontWeight nBold = static_cast<const SvxWeightItem&>(rHt).GetWeight();
     if( WEIGHT_BOLD == nBold )
     {
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_bold), rHTMLWrt.m_bTagOn );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_bold), rHTMLWrt.m_bTagOn );
     }
     else if( rHTMLWrt.m_bCfgOutStyles && rHTMLWrt.m_bTextAttr )
     {
@@ -2847,7 +2847,7 @@ static Writer& OutHTML_SwCrossedOut( Writer& rWrt, const SfxPoolItem& rHt )
     const FontStrikeout nStrike = static_cast<const SvxCrossedOutItem&>(rHt).GetStrikeout();
     if( STRIKEOUT_NONE != nStrike && !rHTMLWrt.mbReqIF )
     {
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_strike), rHTMLWrt.m_bTagOn );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_strike), rHTMLWrt.m_bTagOn );
     }
     else if( rHTMLWrt.m_bCfgOutStyles && rHTMLWrt.m_bTextAttr )
     {
@@ -2877,7 +2877,7 @@ static Writer& OutHTML_SvxEscapement( Writer& rWrt, const SfxPoolItem& rHt )
 
     if( !aTag.isEmpty() )
     {
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + aTag), rHTMLWrt.m_bTagOn );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + aTag), rHTMLWrt.m_bTagOn );
     }
     else if( rHTMLWrt.m_bCfgOutStyles && rHTMLWrt.m_bTextAttr )
     {
@@ -2897,7 +2897,7 @@ static Writer& OutHTML_SwUnderline( Writer& rWrt, const SfxPoolItem& rHt )
     const FontLineStyle eUnder = static_cast<const SvxUnderlineItem&>(rHt).GetLineStyle();
     if( LINESTYLE_NONE != eUnder && !rHTMLWrt.mbReqIF )
     {
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_underline), rHTMLWrt.m_bTagOn );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_underline), rHTMLWrt.m_bTagOn );
     }
     else if( rHTMLWrt.m_bCfgOutStyles && rHTMLWrt.m_bTextAttr )
     {
@@ -2933,7 +2933,7 @@ static Writer& OutHTML_SwBlink( Writer& rWrt, const SfxPoolItem& rHt )
 
     if( static_cast<const SvxBlinkItem&>(rHt).GetValue() )
     {
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_blink), rHTMLWrt.m_bTagOn );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_blink), rHTMLWrt.m_bTagOn );
     }
     else if( rHTMLWrt.m_bCfgOutStyles && rHTMLWrt.m_bTextAttr )
     {
@@ -2959,7 +2959,7 @@ Writer& OutHTML_INetFormat( Writer& rWrt, const SwFormatINetFormat& rINetFormat,
     // bOn controls if we are writing the opening or closing tag
     if( !bOn )
     {
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_anchor), false );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_anchor), false );
         return rWrt;
     }
 
@@ -3173,7 +3173,7 @@ static Writer& OutHTML_SwTextCharFormat( Writer& rWrt, const SfxPoolItem& rHt )
     {
         OString aTag = !pFormatInfo->aToken.isEmpty() ? pFormatInfo->aToken.getStr()
                                                       : OOO_STRING_SVTOOLS_HTML_span;
-        HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + aTag), false);
+        HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + aTag), false);
     }
 
     return rWrt;
diff --git a/sw/source/filter/html/htmldrawwriter.cxx b/sw/source/filter/html/htmldrawwriter.cxx
index 41f25cdd446f..aa3b395f29b4 100644
--- a/sw/source/filter/html/htmldrawwriter.cxx
+++ b/sw/source/filter/html/htmldrawwriter.cxx
@@ -278,7 +278,7 @@ Writer& OutHTML_DrawFrameFormatAsMarquee( Writer& rWrt,
                                      aOutliner.GetParagraphCount() ) );
     HTMLOutFuncs::Out_String( rWrt.Strm(), aText );
 
-    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_marquee), false );
+    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_marquee), false );
 
     if( !aEndTags.isEmpty() )
         rWrt.Strm().WriteOString( aEndTags );
diff --git a/sw/source/filter/html/htmlfldw.cxx b/sw/source/filter/html/htmlfldw.cxx
index 4454eb73b0a5..1cf3f5b24fed 100644
--- a/sw/source/filter/html/htmlfldw.cxx
+++ b/sw/source/filter/html/htmlfldw.cxx
@@ -433,7 +433,7 @@ static Writer& OutHTML_SwField( Writer& rWrt, const SwField* pField,
 
     // Output the closing tag.
     if( pTypeStr )
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_sdfield), false );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_sdfield), false );
 
     return rWrt;
 }
@@ -572,7 +572,7 @@ Writer& OutHTML_SwFormatField( Writer& rWrt, const SfxPoolItem& rHt )
 
             if (bFieldShadings)
                 HTMLOutFuncs::Out_AsciiTag(
-                    rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false);
+                    rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false);
         }
     }
     return rWrt;
diff --git a/sw/source/filter/html/htmlflywriter.cxx b/sw/source/filter/html/htmlflywriter.cxx
index d7849a56e4c7..f39721763d56 100644
--- a/sw/source/filter/html/htmlflywriter.cxx
+++ b/sw/source/filter/html/htmlflywriter.cxx
@@ -497,11 +497,11 @@ void SwHTMLWriter::OutFrameFormat( AllHtmlFlags nMode, const SwFrameFormat& rFra
         DecIndentLevel();
         if( m_bLFPossible )
             OutNewLine();
-        HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_division), false );
+        HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_division), false );
         m_bLFPossible = true;
     }
     else if( HtmlContainerFlags::Span == nCntnrMode )
-        HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false );
+        HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false );
 }
 
 OString SwHTMLWriter::OutFrameFormatOptions( const SwFrameFormat &rFrameFormat,
@@ -1447,7 +1447,7 @@ Writer& OutHTML_ImageStart( HtmlWriter& rHtml, Writer& rWrt, const SwFrameFormat
 
     if( !aIMapName.isEmpty() )
     {
-        rHtml.attribute(OOO_STRING_SVTOOLS_HTML_O_usemap, OUStringConcatenation("#" + aIMapName));
+        rHtml.attribute(OOO_STRING_SVTOOLS_HTML_O_usemap, Concat2View("#" + aIMapName));
     }
 
     if (bReplacement)
@@ -1676,7 +1676,7 @@ static Writer & OutHTML_FrameFormatAsMulticol( Writer& rWrt,
     rHTMLWrt.DecIndentLevel();  // indent the content of Multicol;
     if( rHTMLWrt.m_bLFPossible )
         rHTMLWrt.OutNewLine();
-    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_multicol), false );
+    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_multicol), false );
     rHTMLWrt.m_bLFPossible = true;
 
     return rWrt;
@@ -1764,7 +1764,7 @@ static Writer& OutHTML_FrameFormatAsDivOrSpan( Writer& rWrt,
     rHTMLWrt.DecIndentLevel();  // indent the content of Multicol;
     if( rHTMLWrt.m_bLFPossible )
         rHTMLWrt.OutNewLine();
-    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + aTag), false );
+    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + aTag), false );
 
     if( !aEndTags.isEmpty() )
         rWrt.Strm().WriteOString( aEndTags );
@@ -1797,8 +1797,8 @@ static void OutHTML_ImageOLEStart(SwHTMLWriter& rHTMLWrt, const Graphic& rGraphi
     // Refer to this data.
     aFileName = URIHelper::simpleNormalizedMakeRelative(rHTMLWrt.GetBaseURL(), aFileName);
     rHTMLWrt.Strm().WriteOString(
-        OStringConcatenation("<" + rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_object));
-    rHTMLWrt.Strm().WriteOString(OStringConcatenation(" data=\"" + aFileName.toUtf8() + "\""));
+        Concat2View("<" + rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_object));
+    rHTMLWrt.Strm().WriteOString(Concat2View(" data=\"" + aFileName.toUtf8() + "\""));
     rHTMLWrt.Strm().WriteOString(" type=\"text/rtf\"");
     rHTMLWrt.Strm().WriteOString(">");
     rHTMLWrt.OutNewLine();
@@ -1810,7 +1810,7 @@ static void OutHTML_ImageOLEEnd(SwHTMLWriter& rHTMLWrt)
     if (rHTMLWrt.mbReqIF && rHTMLWrt.m_bExportImagesAsOLE)
     {
         rHTMLWrt.Strm().WriteOString(
-            OStringConcatenation("</" + rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_object ">"));
+            Concat2View("</" + rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_object ">"));
     }
 }
 
@@ -2095,7 +2095,7 @@ Writer& OutHTML_HeaderFooter( Writer& rWrt, const SwFrameFormat& rFrameFormat,
     sOut.append(OOO_STRING_SVTOOLS_HTML_division " "
             OOO_STRING_SVTOOLS_HTML_O_title "=\"")
         .append( bHeader ? "header" : "footer" ).append("\"");
-    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + sOut) );
+    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + sOut) );
 
     rHTMLWrt.IncIndentLevel();  // indent the content of Multicol;
 
@@ -2129,7 +2129,7 @@ Writer& OutHTML_HeaderFooter( Writer& rWrt, const SwFrameFormat& rFrameFormat,
     if( !bHeader && !aSpacer.isEmpty() )
     {
         rHTMLWrt.OutNewLine();
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + aSpacer) );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + aSpacer) );
     }
 
     {
@@ -2150,12 +2150,12 @@ Writer& OutHTML_HeaderFooter( Writer& rWrt, const SwFrameFormat& rFrameFormat,
     if( bHeader && !aSpacer.isEmpty() )
     {
         rHTMLWrt.OutNewLine();
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + aSpacer) );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + aSpacer) );
     }
 
     rHTMLWrt.DecIndentLevel();  // indent the content of Multicol;
     rHTMLWrt.OutNewLine();
-    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_division), false );
+    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_division), false );
 
     rHTMLWrt.m_nHeaderFooterSpace = 0;
 
diff --git a/sw/source/filter/html/htmlforw.cxx b/sw/source/filter/html/htmlforw.cxx
index 838130f8f487..d7104251e6fe 100644
--- a/sw/source/filter/html/htmlforw.cxx
+++ b/sw/source/filter/html/htmlforw.cxx
@@ -435,7 +435,7 @@ void SwHTMLWriter::OutForm( bool bOn,
         DecIndentLevel(); // indent content of form
         if( m_bLFPossible )
             OutNewLine();
-        HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_form), false );
+        HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_form), false );
         m_bLFPossible = true;
 
         return;
@@ -1208,12 +1208,12 @@ Writer& OutHTML_DrawFrameFormatAsControl( Writer& rWrt,
 
                 HTMLOutFuncs::Out_String( rWrt.Strm(), pStrings[i] );
             }
-            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_option), false );
+            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_option), false );
 
             rHTMLWrt.DecIndentLevel();
             rHTMLWrt.OutNewLine();// the </SELECT> gets its own line
         }
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_select), false );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_select), false );
     }
     else if( TAG_TEXTAREA == eTag )
     {
@@ -1239,7 +1239,7 @@ Writer& OutHTML_DrawFrameFormatAsControl( Writer& rWrt,
                 HTMLOutFuncs::Out_String( rWrt.Strm(), aLine );
             }
         }
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_textarea), false );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_textarea), false );
     }
     else if( TYPE_CHECKBOX == eType || TYPE_RADIO == eType )
     {
diff --git a/sw/source/filter/html/htmlftn.cxx b/sw/source/filter/html/htmlftn.cxx
index 7b3d3e7ad030..03995c410916 100644
--- a/sw/source/filter/html/htmlftn.cxx
+++ b/sw/source/filter/html/htmlftn.cxx
@@ -322,11 +322,11 @@ Writer& OutHTML_SwFormatFootnote( Writer& rWrt, const SfxPoolItem& rHt )
     sOut.append(">");
     rWrt.Strm().WriteOString( sOut );
     sOut.setLength(0);
-    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_superscript ));
+    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_superscript ));
 
     HTMLOutFuncs::Out_String( rWrt.Strm(), rFormatFootnote.GetViewNumStr(*rWrt.m_pDoc, nullptr) );
-    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_superscript), false );
-    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_anchor), false );
+    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_superscript), false );
+    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_anchor), false );
 
     return rWrt;
 }
@@ -384,7 +384,7 @@ void SwHTMLWriter::OutFootEndNotes()
         DecIndentLevel();   // indent content of <DIV>
         if( m_bLFPossible )
             OutNewLine();
-        HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_division), false );
+        HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_division), false );
         m_bLFPossible = true;
 
         OSL_ENSURE( !m_pFormatFootnote,
@@ -487,7 +487,7 @@ void SwHTMLWriter::OutFootEndNoteSym( const SwFormatFootnote& rFormatFootnote,
     sOut.setLength(0);
 
     HTMLOutFuncs::Out_String( Strm(), rNum );
-    HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_anchor), false );
+    HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_anchor), false );
 }
 
 static int lcl_html_fillEndNoteInfo( const SwEndNoteInfo& rInfo,
diff --git a/sw/source/filter/html/htmlnumwriter.cxx b/sw/source/filter/html/htmlnumwriter.cxx
index b845c314430d..19483e518b9e 100644
--- a/sw/source/filter/html/htmlnumwriter.cxx
+++ b/sw/source/filter/html/htmlnumwriter.cxx
@@ -363,7 +363,7 @@ Writer& OutHTML_NumberBulletListEnd( SwHTMLWriter& rWrt,
         if ((bListEnd && bPrevIsNumbered) || (!bListEnd && rNextInfo.IsNumbered()))
         {
             HTMLOutFuncs::Out_AsciiTag(
-                rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_li),
+                rWrt.Strm(), Concat2View(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_li),
                 false);
         }
     }
@@ -401,11 +401,11 @@ Writer& OutHTML_NumberBulletListEnd( SwHTMLWriter& rWrt,
             aTag = OOO_STRING_SVTOOLS_HTML_unorderlist;
         else
             aTag = OOO_STRING_SVTOOLS_HTML_orderlist;
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + aTag), false );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rWrt.GetNamespace() + aTag), false );
         if (rWrt.mbXHTML && (nNextDepth != 0 || i != 1))
         {
             HTMLOutFuncs::Out_AsciiTag(
-                rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_li),
+                rWrt.Strm(), Concat2View(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_li),
                 /*bOn=*/false);
         }
         rWrt.m_bLFPossible = true;
diff --git a/sw/source/filter/html/htmlplug.cxx b/sw/source/filter/html/htmlplug.cxx
index 04b5f8e90cc7..1aec184d8a6c 100644
--- a/sw/source/filter/html/htmlplug.cxx
+++ b/sw/source/filter/html/htmlplug.cxx
@@ -1441,7 +1441,7 @@ Writer& OutHTML_FrameFormatOLENode( Writer& rWrt, const SwFrameFormat& rFrameFor
         rHTMLWrt.DecIndentLevel(); // indent the applet content
         if( aCommands.size() )
             rHTMLWrt.OutNewLine();
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_applet), false );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_applet), false );
     }
     else if( aGlobName == SvGlobalName( SO3_PLUGIN_CLASSID ) )
     {
@@ -1474,7 +1474,7 @@ Writer& OutHTML_FrameFormatOLENode( Writer& rWrt, const SwFrameFormat& rFrameFor
         // and for Floating-Frames just output another </IFRAME>
 
         rHTMLWrt.Strm().WriteChar( '>' );
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_iframe), false );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_iframe), false );
     }
 
     if( !aEndTags.isEmpty() )
@@ -1531,9 +1531,9 @@ Writer& OutHTML_FrameFormatOLENodeGrf( Writer& rWrt, const SwFrameFormat& rFrame
                 SAL_WARN_IF(aStream.GetSize()>=o3tl::make_unsigned(SAL_MAX_INT32), "sw.html", "Stream can't fit in OString");
                 OString aData(static_cast<const char*>(aStream.GetData()), static_cast<sal_Int32>(aStream.GetSize()));
                 // Wrap output in a <span> tag to avoid 'HTML parser error: Unexpected end tag: p'
-                HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span));
+                HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span));
                 rWrt.Strm().WriteOString(aData);
-                HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false);
+                HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_span), false);
             }
             catch ( uno::Exception& )
             {
@@ -1645,10 +1645,10 @@ Writer& OutHTML_FrameFormatOLENodeGrf( Writer& rWrt, const SwFrameFormat& rFrame
         // Refer to this data.
         if (rHTMLWrt.m_bLFPossible)
             rHTMLWrt.OutNewLine();
-        rWrt.Strm().WriteOString(OStringConcatenation("<" + rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_object));
-        rWrt.Strm().WriteOString(OStringConcatenation(" data=\"" + aFileName.toUtf8() + "\""));
+        rWrt.Strm().WriteOString(Concat2View("<" + rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_object));
+        rWrt.Strm().WriteOString(Concat2View(" data=\"" + aFileName.toUtf8() + "\""));
         if (!aFileType.isEmpty())
-            rWrt.Strm().WriteOString(OStringConcatenation(" type=\"" + aFileType.toUtf8() + "\""));
+            rWrt.Strm().WriteOString(Concat2View(" type=\"" + aFileType.toUtf8() + "\""));
         rWrt.Strm().WriteOString(">");
         bObjectOpened = true;
         rHTMLWrt.m_bLFPossible = true;
@@ -1688,7 +1688,7 @@ Writer& OutHTML_FrameFormatOLENodeGrf( Writer& rWrt, const SwFrameFormat& rFrame
         {
             rHTMLWrt.m_nWarn = WARN_SWG_POOR_LOAD;
             if (bObjectOpened) // Still at least close the tag.
-                rWrt.Strm().WriteOString(OStringConcatenation("</" + rHTMLWrt.GetNamespace()
+                rWrt.Strm().WriteOString(Concat2View("</" + rHTMLWrt.GetNamespace()
                     + OOO_STRING_SVTOOLS_HTML_object ">"));
             return rWrt;
         }
@@ -1709,7 +1709,7 @@ Writer& OutHTML_FrameFormatOLENodeGrf( Writer& rWrt, const SwFrameFormat& rFrame
 
     if (bObjectOpened)
         // Close native data.
-        rWrt.Strm().WriteOString(OStringConcatenation("</" + rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_object
+        rWrt.Strm().WriteOString(Concat2View("</" + rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_object
                                  ">"));
 
     return rWrt;
diff --git a/sw/source/filter/html/htmltabw.cxx b/sw/source/filter/html/htmltabw.cxx
index f930703d2145..b6aeb137e4bb 100644
--- a/sw/source/filter/html/htmltabw.cxx
+++ b/sw/source/filter/html/htmltabw.cxx
@@ -498,7 +498,7 @@ void SwHTMLWrtTable::OutTableCell( SwHTMLWriter& rWrt,
     if( rWrt.m_bLFPossible )
         rWrt.OutNewLine();
     aTag = bHead ? OOO_STRING_SVTOOLS_HTML_tableheader : OOO_STRING_SVTOOLS_HTML_tabledata;
-    HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + aTag), false);
+    HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), Concat2View(rWrt.GetNamespace() + aTag), false);
     rWrt.m_bLFPossible = true;
 }
 
@@ -528,7 +528,7 @@ void SwHTMLWrtTable::OutTableCells( SwHTMLWriter& rWrt,
     }
 
     rWrt.OutNewLine();  // <TR> in new line
-    rWrt.Strm().WriteChar( '<' ).WriteOString( OStringConcatenation(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_tablerow) );
+    rWrt.Strm().WriteChar( '<' ).WriteOString( Concat2View(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_tablerow) );
     if( pBrushItem )
     {
         if (!rWrt.mbXHTML)
@@ -564,7 +564,7 @@ void SwHTMLWrtTable::OutTableCells( SwHTMLWriter& rWrt,
     rWrt.DecIndentLevel(); // indent content of <TR>...</TR>
 
     rWrt.OutNewLine();  // </TR> in new line
-    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_tablerow), false );
+    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_tablerow), false );
 }
 
 void SwHTMLWrtTable::Write( SwHTMLWriter& rWrt, sal_Int16 eAlign,
@@ -730,9 +730,9 @@ void SwHTMLWrtTable::Write( SwHTMLWriter& rWrt, sal_Int16 eAlign,
         sOutStr.append(" " OOO_STRING_SVTOOLS_HTML_O_align "=\"")
                .append(bTopCaption ? OOO_STRING_SVTOOLS_HTML_VA_top : OOO_STRING_SVTOOLS_HTML_VA_bottom)
                .append("\"");
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + sOutStr) );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rWrt.GetNamespace() + sOutStr) );
         HTMLOutFuncs::Out_String( rWrt.Strm(), *pCaption );
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_caption), false );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_caption), false );
     }
 
     const SwWriteTableCols::size_type nCols = m_aCols.size();
@@ -745,7 +745,7 @@ void SwHTMLWrtTable::Write( SwHTMLWriter& rWrt, sal_Int16 eAlign,
         if( bColGroups )
         {
             rWrt.OutNewLine(); // <COLGRP> in new line
-            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_colgroup) );
+            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_colgroup) );
 
             rWrt.IncIndentLevel(); // indent content of <COLGRP>
         }
@@ -773,7 +773,7 @@ void SwHTMLWrtTable::Write( SwHTMLWriter& rWrt, sal_Int16 eAlign,
             }
 
             if( bRel )
-                html.attribute(OOO_STRING_SVTOOLS_HTML_O_width, OStringConcatenation(OString::number(nWidth) + "*"));
+                html.attribute(OOO_STRING_SVTOOLS_HTML_O_width, Concat2View(OString::number(nWidth) + "*"));
             else
                 html.attribute(OOO_STRING_SVTOOLS_HTML_O_width, OString::number(SwHTMLWriter::ToPixel(nWidth,false)));
             html.end();
@@ -782,10 +782,10 @@ void SwHTMLWrtTable::Write( SwHTMLWriter& rWrt, sal_Int16 eAlign,
             {
                 rWrt.DecIndentLevel(); // indent content of <COLGRP>
                 rWrt.OutNewLine(); // </COLGRP> in new line
-                HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_colgroup),
+                HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_colgroup),
                                             false );
                 rWrt.OutNewLine(); // <COLGRP> in new line
-                HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_colgroup) );
+                HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_colgroup) );
                 rWrt.IncIndentLevel(); // indent content of <COLGRP>
             }
         }
@@ -794,7 +794,7 @@ void SwHTMLWrtTable::Write( SwHTMLWriter& rWrt, sal_Int16 eAlign,
             rWrt.DecIndentLevel(); // indent content of <COLGRP>
 
             rWrt.OutNewLine(); // </COLGRP> in new line
-            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_colgroup),
+            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_colgroup),
                                         false );
         }
     }
@@ -819,7 +819,7 @@ void SwHTMLWrtTable::Write( SwHTMLWriter& rWrt, sal_Int16 eAlign,
     {
         rWrt.OutNewLine(); // <THEAD>/<TDATA> in new line
         OString aTag = bTHead ? OOO_STRING_SVTOOLS_HTML_thead : OOO_STRING_SVTOOLS_HTML_tbody;
-        HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + aTag));
+        HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), Concat2View(rWrt.GetNamespace() + aTag));
 
         rWrt.IncIndentLevel(); // indent content of <THEAD>/<TDATA>
     }
@@ -835,8 +835,8 @@ void SwHTMLWrtTable::Write( SwHTMLWriter& rWrt, sal_Int16 eAlign,
             for( auto nCnt = (pRow2->m_nBottomBorder / SvxBorderLineWidth::Thin) - 1; nCnt; --nCnt )
             {
                 rWrt.OutNewLine();
-                HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_tablerow ));
-                HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_tablerow),
+                HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_tablerow ));
+                HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_tablerow),
                                             false );
             }
         }
@@ -847,14 +847,14 @@ void SwHTMLWrtTable::Write( SwHTMLWriter& rWrt, sal_Int16 eAlign,
             rWrt.DecIndentLevel(); // indent content of <THEAD>/<TDATA>
             rWrt.OutNewLine(); // </THEAD>/</TDATA> in new line
             OString aTag = bTHead ? OOO_STRING_SVTOOLS_HTML_thead : OOO_STRING_SVTOOLS_HTML_tbody;
-            HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + aTag), false);
+            HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), Concat2View(rWrt.GetNamespace() + aTag), false);
             rWrt.OutNewLine(); // <THEAD>/<TDATA> in new line
 
             if( bTHead && nRow==m_nHeadEndRow )
                 bTHead = false;
 
             aTag = bTHead ? OOO_STRING_SVTOOLS_HTML_thead : OOO_STRING_SVTOOLS_HTML_tbody;
-            HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + aTag));
+            HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), Concat2View(rWrt.GetNamespace() + aTag));
             rWrt.IncIndentLevel(); // indent content of <THEAD>/<TDATA>
         }
     }
@@ -865,13 +865,13 @@ void SwHTMLWrtTable::Write( SwHTMLWriter& rWrt, sal_Int16 eAlign,
 
         rWrt.OutNewLine(); // </THEAD>/</TDATA> in new line
         OString aTag = bTHead ? OOO_STRING_SVTOOLS_HTML_thead : OOO_STRING_SVTOOLS_HTML_tbody;
-        HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + aTag), false);
+        HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), Concat2View(rWrt.GetNamespace() + aTag), false);
     }
 
     rWrt.DecIndentLevel(); // indent content of <TABLE>
 
     rWrt.OutNewLine(); // </TABLE> in new line
-    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_table), false );
+    HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_table), false );
 
     rWrt.m_nDirection = nOldDirection;
 }
@@ -1021,7 +1021,7 @@ Writer& OutHTML_SwTableNode( Writer& rWrt, SwTableNode & rNode,
     {
         if( rHTMLWrt.m_bLFPossible )
             rHTMLWrt.OutNewLine();
-        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_dd) );
+        HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_dd) );
     }
 
     // eFlyHoriOri and eTabHoriOri now only contain the values of
@@ -1078,13 +1078,13 @@ Writer& OutHTML_SwTableNode( Writer& rWrt, SwTableNode & rNode,
         if( rHTMLWrt.m_bLFPossible )
             rHTMLWrt.OutNewLine();  // <CENTER> in new line
         if( text::HoriOrientation::CENTER==eDivHoriOri )
-            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_center) );
+            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_center) );
         else
         {
             OStringLiteral sOut = OOO_STRING_SVTOOLS_HTML_division
                 " " OOO_STRING_SVTOOLS_HTML_O_align "=\""
                 OOO_STRING_SVTOOLS_HTML_AL_right "\"";
-            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + sOut) );
+            HTMLOutFuncs::Out_AsciiTag( rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + sOut) );
         }
         rHTMLWrt.IncIndentLevel();  // indent content of <CENTER>
         rHTMLWrt.m_bLFPossible = true;
@@ -1131,7 +1131,7 @@ Writer& OutHTML_SwTableNode( Writer& rWrt, SwTableNode & rNode,
         OString aTag = text::HoriOrientation::CENTER == eDivHoriOri
                            ? OOO_STRING_SVTOOLS_HTML_center
                            : OOO_STRING_SVTOOLS_HTML_division;
-        HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + aTag), false);
+        HTMLOutFuncs::Out_AsciiTag(rWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + aTag), false);
         rHTMLWrt.m_bLFPossible = true;
     }
 
diff --git a/sw/source/filter/html/wrthtml.cxx b/sw/source/filter/html/wrthtml.cxx
index 2d5e3db6fce9..7134d787b8ca 100644
--- a/sw/source/filter/html/wrthtml.cxx
+++ b/sw/source/filter/html/wrthtml.cxx
@@ -580,13 +580,13 @@ ErrCode SwHTMLWriter::WriteStream()
         OutNewLine();
     if (!mbSkipHeaderFooter)
     {
-        HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_body), false );
+        HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_body), false );
         OutNewLine();
-        HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_html), false );
+        HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_html), false );
     }
     else if (mbReqIF)
         // ReqIF: end xhtml.BlkStruct.class.
-        HTMLOutFuncs::Out_AsciiTag(Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_division), false);
+        HTMLOutFuncs::Out_AsciiTag(Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_division), false);
 
     // delete the table with floating frames
     OSL_ENSURE( m_aHTMLPosFlyFrames.empty(), "Were not all frames output?" );
@@ -785,7 +785,7 @@ static void lcl_html_OutSectionEndTag( SwHTMLWriter& rHTMLWrt )
     rHTMLWrt.DecIndentLevel();
     if( rHTMLWrt.m_bLFPossible )
         rHTMLWrt.OutNewLine();
-    HTMLOutFuncs::Out_AsciiTag( rHTMLWrt.Strm(), OStringConcatenation(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_division), false );
+    HTMLOutFuncs::Out_AsciiTag( rHTMLWrt.Strm(), Concat2View(rHTMLWrt.GetNamespace() + OOO_STRING_SVTOOLS_HTML_division), false );
     rHTMLWrt.m_bLFPossible = true;
 }
 
@@ -1065,10 +1065,10 @@ const SwPageDesc *SwHTMLWriter::MakeHeader( sal_uInt16 &rHeaderAttrs )
 
         // build prelude
         OutNewLine();
-        HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_html) );
+        HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_html) );
 
         OutNewLine();
-        HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_head) );
+        HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_head) );
 
         IncIndentLevel();   // indent content of <HEAD>
 
@@ -1135,7 +1135,7 @@ const SwPageDesc *SwHTMLWriter::MakeHeader( sal_uInt16 &rHeaderAttrs )
 
         DecIndentLevel();   // indent content of <HEAD>
         OutNewLine();
-        HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_head), false );
+        HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_head), false );
 
         // the body won't be indented, because then everything would be indented!
         OutNewLine();
@@ -1180,7 +1180,7 @@ const SwPageDesc *SwHTMLWriter::MakeHeader( sal_uInt16 &rHeaderAttrs )
     }
     else if (mbReqIF)
         // ReqIF: start xhtml.BlkStruct.class.
-        HTMLOutFuncs::Out_AsciiTag(Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_division));
+        HTMLOutFuncs::Out_AsciiTag(Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_division));
 
     return pPageDesc;
 }
@@ -1213,7 +1213,7 @@ void SwHTMLWriter::OutAnchor( const OUString& rName )
         sOut.setLength(0);
         HTMLOutFuncs::Out_String( Strm(), rName.replace(' ', '_') ).WriteCharPtr( "\">" );
     }
-    HTMLOutFuncs::Out_AsciiTag( Strm(), OStringConcatenation(GetNamespace() + OOO_STRING_SVTOOLS_HTML_anchor), false );
+    HTMLOutFuncs::Out_AsciiTag( Strm(), Concat2View(GetNamespace() + OOO_STRING_SVTOOLS_HTML_anchor), false );
 }
 
 void SwHTMLWriter::OutBookmarks()
diff --git a/sw/source/filter/ww8/docxattributeoutput.cxx b/sw/source/filter/ww8/docxattributeoutput.cxx
index de0775305145..73af98b6fac3 100644
--- a/sw/source/filter/ww8/docxattributeoutput.cxx
+++ b/sw/source/filter/ww8/docxattributeoutput.cxx
@@ -7779,7 +7779,7 @@ void DocxAttributeOutput::EmbedFontStyle( std::u16string_view name, int tag, Fon
         xOutStream->closeOutput();
         OString relId = OUStringToOString( GetExport().GetFilter().addRelation( m_pSerializer->getOutputStream(),
             oox::getRelationship(Relationship::FONT),
-            OUStringConcatenation("fonts/font" + OUString::number( m_nextFontId ) + ".odttf") ), RTL_TEXTENCODING_UTF8 );
+            Concat2View("fonts/font" + OUString::number( m_nextFontId ) + ".odttf") ), RTL_TEXTENCODING_UTF8 );
         EmbeddedFontRef ref;
         ref.relId = relId;
         ref.fontKey = fontKeyStr;
@@ -10058,16 +10058,16 @@ void DocxAttributeOutput::FormatBox( const SvxBoxItem& rBox )
         // and so on.
         OStringBuffer aInset;
         if(!aInset.isEmpty() || fDistanceBottomInch != 0.05)
-            aInset.insert(0, OStringConcatenation("," + OString::number(fDistanceBottomInch) + "in"));
+            aInset.insert(0, Concat2View("," + OString::number(fDistanceBottomInch) + "in"));
 
         if(!aInset.isEmpty() || fDistanceRightInch != 0.1)
-            aInset.insert(0, OStringConcatenation("," + OString::number(fDistanceRightInch) + "in"));
+            aInset.insert(0, Concat2View("," + OString::number(fDistanceRightInch) + "in"));
 
         if(!aInset.isEmpty() || fDistanceTopInch != 0.05)
-            aInset.insert(0, OStringConcatenation("," + OString::number(fDistanceTopInch) + "in"));
+            aInset.insert(0, Concat2View("," + OString::number(fDistanceTopInch) + "in"));
 
         if(!aInset.isEmpty() || fDistanceLeftInch != 0.1)
-            aInset.insert(0, OStringConcatenation(OString::number(fDistanceLeftInch) + "in"));
+            aInset.insert(0, Concat2View(OString::number(fDistanceLeftInch) + "in"));
 
         if (!aInset.isEmpty())
             m_rExport.SdrExporter().getTextboxAttrList()->add(XML_inset, aInset.makeStringAndClear());
diff --git a/sw/source/filter/ww8/docxexport.cxx b/sw/source/filter/ww8/docxexport.cxx
index a8ec459c79a5..ba66748c7ba3 100644
--- a/sw/source/filter/ww8/docxexport.cxx
+++ b/sw/source/filter/ww8/docxexport.cxx
@@ -1636,7 +1636,7 @@ void DocxExport::WriteCustomXml()
         {
             m_rFilter.addRelation( m_pDocumentFS->getOutputStream(),
                     oox::getRelationship(Relationship::CUSTOMXML),
-                    OUStringConcatenation("../customXml/item"+OUString::number(j+1)+".xml" ));
+                    Concat2View("../customXml/item"+OUString::number(j+1)+".xml" ));
 
             uno::Reference< xml::sax::XSAXSerializable > serializer( customXmlDom, uno::UNO_QUERY );
             uno::Reference< xml::sax::XWriter > writer = xml::sax::Writer::create( comphelper::getProcessComponentContext() );
@@ -1703,7 +1703,7 @@ void DocxExport::WriteCustomXml()
             m_rFilter.addRelation( GetFilter().openFragmentStream( "customXml/item"+OUString::number(j+1)+".xml",
                     "application/xml" ) ,
                     oox::getRelationship(Relationship::CUSTOMXMLPROPS),
-                    OUStringConcatenation("itemProps"+OUString::number(j+1)+".xml" ));
+                    Concat2View("itemProps"+OUString::number(j+1)+".xml" ));
         }
     }
 }
diff --git a/sw/source/filter/ww8/ww8par5.cxx b/sw/source/filter/ww8/ww8par5.cxx
index 3989d0fd5924..513ee98e0edb 100644
--- a/sw/source/filter/ww8/ww8par5.cxx
+++ b/sw/source/filter/ww8/ww8par5.cxx
@@ -102,7 +102,7 @@ namespace
     // #120879# - helper method to identify a bookmark name to match the internal TOC bookmark naming convention
     bool IsTOCBookmarkName(std::u16string_view rName)
     {
-        return o3tl::starts_with(rName, u"_Toc") || o3tl::starts_with(rName, OUStringConcatenation(IDocumentMarkAccess::GetCrossRefHeadingBookmarkNamePrefix()+"_Toc"));
+        return o3tl::starts_with(rName, u"_Toc") || o3tl::starts_with(rName, Concat2View(IDocumentMarkAccess::GetCrossRefHeadingBookmarkNamePrefix()+"_Toc"));
     }
 
     OUString EnsureTOCBookmarkName(const OUString& rName)