diff --git a/7zip/Archive/7z/7zMethods.cpp b/7zip/Archive/7z/7zMethods.cpp
index f899d0e9..56ed5b99 100755
--- a/7zip/Archive/7z/7zMethods.cpp
+++ b/7zip/Archive/7z/7zMethods.cpp
@@ -160,7 +160,7 @@ bool GetMethodInfo(const UString &name, CMethodInfo2 &methodInfo)
   for(int i = 0; i < g_Methods.Size(); i++)
   {
     const CMethodInfo2 &method = g_Methods[i];
-    if (method.Name.CollateNoCase(name) == 0)
+    if (method.Name.CompareNoCase(name) == 0)
     {
       methodInfo = method;
       return true;
diff --git a/7zip/Archive/7z/7zUpdate.cpp b/7zip/Archive/7z/7zUpdate.cpp
index e5d82764..8017c75d 100755
--- a/7zip/Archive/7z/7zUpdate.cpp
+++ b/7zip/Archive/7z/7zUpdate.cpp
@@ -158,7 +158,7 @@ static int CompareFolders(const CFolder &f1, const CFolder &f2)
 
 static int CompareFiles(const CFileItem &f1, const CFileItem &f2)
 {
-  return MyStringCollateNoCase(f1.Name, f2.Name);
+  return MyStringCompareNoCase(f1.Name, f2.Name);
 }
 
 static int CompareFolderRefs(const int *p1, const int *p2, void *param)
@@ -196,12 +196,12 @@ static int CompareEmptyItems(const int *p1, const int *p2, void *param)
   {
     if (u1.IsAnti != u2.IsAnti)
       return (u1.IsAnti ? 1 : -1);
-    int n = MyStringCollateNoCase(u1.Name, u2.Name);
+    int n = MyStringCompareNoCase(u1.Name, u2.Name);
     return (u1.IsAnti ? (-n) : n);
   }
   if (u1.IsAnti != u2.IsAnti)
     return (u1.IsAnti ? 1 : -1);
-  return MyStringCollateNoCase(u1.Name, u2.Name);
+  return MyStringCompareNoCase(u1.Name, u2.Name);
 }
 
 struct CRefItem
@@ -253,18 +253,18 @@ static int CompareUpdateItems(const CRefItem *p1, const CRefItem *p2, void *para
   {
     if (u1.IsAnti != u2.IsAnti)
       return (u1.IsAnti ? 1 : -1);
-    n = MyStringCollateNoCase(u1.Name, u2.Name);
+    n = MyStringCompareNoCase(u1.Name, u2.Name);
     return (u1.IsAnti ? (-n) : n);
   }
   if (a1.SortByType)
   {
-    RINOZ(MyStringCollateNoCase(u1.Name + a1.ExtensionPos, u2.Name + a2.ExtensionPos));
-    RINOZ(MyStringCollateNoCase(u1.Name + a1.NamePos, u2.Name + a2.NamePos));
+    RINOZ(MyStringCompareNoCase(u1.Name + a1.ExtensionPos, u2.Name + a2.ExtensionPos));
+    RINOZ(MyStringCompareNoCase(u1.Name + a1.NamePos, u2.Name + a2.NamePos));
     if (u1.LastWriteTimeIsDefined && u2.LastWriteTimeIsDefined)
       RINOZ(CompareFileTime(&u1.LastWriteTime, &u2.LastWriteTime));
     RINOZ(MyCompare(u1.Size, u2.Size))
   }
-  return MyStringCollateNoCase(u1.Name, u2.Name);
+  return MyStringCompareNoCase(u1.Name, u2.Name);
 }
 
 struct CSolidGroup
@@ -689,7 +689,7 @@ static HRESULT Update2(
           if (numSubFiles == 0)
             prevExtension = ext;
           else
-            if (ext.CollateNoCase(prevExtension) != 0)
+            if (ext.CompareNoCase(prevExtension) != 0)
               break;
         }
       }
diff --git a/7zip/Archive/Common/CoderLoader.h b/7zip/Archive/Common/CoderLoader.h
index 1679a96f..02322d8c 100755
--- a/7zip/Archive/Common/CoderLoader.h
+++ b/7zip/Archive/Common/CoderLoader.h
@@ -91,7 +91,7 @@ public:
   int FindPath(LPCTSTR filePath)
   {
     for (int i = 0; i < Pairs.Size(); i++)
-      if (Pairs[i].Path.CollateNoCase(filePath) == 0)
+      if (Pairs[i].Path.CompareNoCase(filePath) == 0)
         return i;
     return -1;
   }
diff --git a/7zip/Archive/Common/FilterCoder.cpp b/7zip/Archive/Common/FilterCoder.cpp
index 1ad0f5de..5d24aed7 100755
--- a/7zip/Archive/Common/FilterCoder.cpp
+++ b/7zip/Archive/Common/FilterCoder.cpp
@@ -40,7 +40,7 @@ STDMETHODIMP CFilterCoder::Code(ISequentialInStream *inStream,
       ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize,
       ICompressProgressInfo *progress)
 {
-  Init();
+  RINOK(Init());
   UInt32 bufferPos = 0;
   if (_outSizeIsDefined = (outSize != 0))
     _outSize = *outSize;
@@ -86,8 +86,7 @@ STDMETHODIMP CFilterCoder::SetOutStream(ISequentialOutStream *outStream)
 {
   _bufferPos = 0;
   _outStream = outStream;
-  Init();
-  return S_OK;
+  return Init();
 }
 
 STDMETHODIMP CFilterCoder::ReleaseOutStream()
@@ -164,8 +163,7 @@ STDMETHODIMP CFilterCoder::SetInStream(ISequentialInStream *inStream)
 {
   _convertedPosBegin = _convertedPosEnd = _bufferPos = 0;
   _inStream = inStream;
-  Init();
-  return S_OK;
+  return Init();
 }
 
 STDMETHODIMP CFilterCoder::ReleaseInStream()
diff --git a/7zip/Archive/Common/FilterCoder.h b/7zip/Archive/Common/FilterCoder.h
index 4db7f28a..45618172 100755
--- a/7zip/Archive/Common/FilterCoder.h
+++ b/7zip/Archive/Common/FilterCoder.h
@@ -43,11 +43,11 @@ protected:
   UInt64 _outSize;
   UInt64 _nowPos64;
 
-  void Init() 
+  HRESULT Init() 
   { 
-    Filter->Init(); 
     _nowPos64 = 0;
     _outSizeIsDefined = false;
+    return Filter->Init(); 
   }
 
   CMyComPtr<ICryptoSetPassword> _setPassword;
diff --git a/7zip/Common/InBuffer.cpp b/7zip/Common/InBuffer.cpp
index f1d58756..cbc4608b 100755
--- a/7zip/Common/InBuffer.cpp
+++ b/7zip/Common/InBuffer.cpp
@@ -7,11 +7,11 @@
 #include "../../Common/Alloc.h"
 
 CInBuffer::CInBuffer(): 
-  _bufferBase(0), 
-  _bufferSize(0),
   _buffer(0), 
   _bufferLimit(0), 
-  _stream(0) 
+  _bufferBase(0), 
+  _stream(0),
+  _bufferSize(0)
 {}
 
 bool CInBuffer::Create(UInt32 bufferSize)
diff --git a/7zip/Common/OutBuffer.cpp b/7zip/Common/OutBuffer.cpp
index 38827de1..2d4871f5 100755
--- a/7zip/Common/OutBuffer.cpp
+++ b/7zip/Common/OutBuffer.cpp
@@ -36,6 +36,7 @@ void COutBuffer::Init()
   _limitPos = _bufferSize;
   _pos = 0;
   _processedSize = 0;
+  _overDict = false;
   #ifdef _NO_EXCEPTIONS
   ErrorCode = S_OK;
   #endif
@@ -49,16 +50,16 @@ UInt64 COutBuffer::GetProcessedSize() const
   return res;
 }
 
+
 HRESULT COutBuffer::FlushPart()
 {
+  // _streamPos < _bufferSize
   UInt32 size = (_streamPos >= _pos) ? (_bufferSize - _streamPos) : (_pos - _streamPos);
   HRESULT result = S_OK;
   #ifdef _NO_EXCEPTIONS
   if (ErrorCode != S_OK)
     result = ErrorCode;
   #endif
-  if (size == 0)
-    return result;
   if (_buffer2 != 0)
   {
     memmove(_buffer2, _buffer + _streamPos, size);
@@ -76,9 +77,14 @@ HRESULT COutBuffer::FlushPart()
     size = processedSize;
   }
   _streamPos += size;
-  _limitPos =   (_streamPos > _pos) ? _streamPos : _bufferSize;
   if (_streamPos == _bufferSize)
     _streamPos = 0;
+  if (_pos == _bufferSize)
+  {
+    _overDict = true;
+    _pos = 0;
+  }
+  _limitPos = (_streamPos > _pos) ? _streamPos : _bufferSize;
   _processedSize += size;
   return result;
 }
@@ -102,8 +108,6 @@ HRESULT COutBuffer::Flush()
 void COutBuffer::FlushWithCheck()
 {
   HRESULT result = FlushPart();
-  if (_pos == _bufferSize)
-    _pos = 0;
   #ifdef _NO_EXCEPTIONS
   ErrorCode = result;
   #else
diff --git a/7zip/Common/OutBuffer.h b/7zip/Common/OutBuffer.h
index 51ccb659..0ce54e21 100755
--- a/7zip/Common/OutBuffer.h
+++ b/7zip/Common/OutBuffer.h
@@ -25,6 +25,7 @@ protected:
   CMyComPtr<ISequentialOutStream> _stream;
   UInt64 _processedSize;
   Byte  *_buffer2;
+  bool _overDict;
 
   HRESULT FlushPart();
   void FlushWithCheck();
diff --git a/7zip/Compress/LZ/LZOutWindow.cpp b/7zip/Compress/LZ/LZOutWindow.cpp
index 093c9ce8..e2d6aba1 100755
--- a/7zip/Compress/LZ/LZOutWindow.cpp
+++ b/7zip/Compress/LZ/LZOutWindow.cpp
@@ -8,32 +8,10 @@
 void CLZOutWindow::Init(bool solid)
 {
   if(!solid)
-  {
-    _streamPos = 0;
-    _limitPos = _bufferSize;
-    _pos = 0;
-    _processedSize = 0;
-    _overDict = false;
-  }
+    COutBuffer::Init();
   #ifdef _NO_EXCEPTIONS
   ErrorCode = S_OK;
   #endif
 }
 
-void CLZOutWindow::FlushWithCheck()
-{
-  HRESULT result = FlushPart();
-  if (_pos == _bufferSize)
-  {
-    _pos = 0;
-    _overDict = true;
-  }
-  #ifdef _NO_EXCEPTIONS
-  ErrorCode = result;
-  #else
-  if (result != S_OK)
-    throw CLZOutWindowException(result);
-  #endif
-}
-
 
diff --git a/7zip/Compress/LZ/LZOutWindow.h b/7zip/Compress/LZ/LZOutWindow.h
index f2a182c0..5387fdb8 100755
--- a/7zip/Compress/LZ/LZOutWindow.h
+++ b/7zip/Compress/LZ/LZOutWindow.h
@@ -6,6 +6,7 @@
 #include "../../IStream.h"
 #include "../../Common/OutBuffer.h"
 
+/*
 #ifndef _NO_EXCEPTIONS
 class CLZOutWindowException
 {
@@ -14,11 +15,11 @@ public:
   CLZOutWindowException(HRESULT errorCode): ErrorCode(errorCode) {}
 };
 #endif
+*/
+typedef COutBufferException CLZOutWindowException;
 
 class CLZOutWindow: public COutBuffer
 {
-  bool _overDict;
-  void FlushWithCheck();
 public:
   void Init(bool solid = false);
   
diff --git a/7zip/Compress/LZMA/LZMADecoder.cpp b/7zip/Compress/LZMA/LZMADecoder.cpp
index 57ab5a8d..9640d7bc 100755
--- a/7zip/Compress/LZMA/LZMADecoder.cpp
+++ b/7zip/Compress/LZMA/LZMADecoder.cpp
@@ -112,13 +112,12 @@ HRESULT CDecoder::CodeSpec(UInt32 curSize)
         UInt32 len;
         if(_isRep[state.Index].Decode(&_rangeDecoder) == 1)
         {
-          bool readLen = true;
+          len = 0;
           if(_isRepG0[state.Index].Decode(&_rangeDecoder) == 0)
           {
             if(_isRep0Long[state.Index][posState].Decode(&_rangeDecoder) == 0)
             {
               state.UpdateShortRep();
-              readLen = false;
               len = 1;
             }
           }
@@ -141,7 +140,7 @@ HRESULT CDecoder::CodeSpec(UInt32 curSize)
             rep1 = rep0;
             rep0 = distance;
           }
-          if (readLen)
+          if (len == 0)
           {
             len = _repMatchLenDecoder.Decode(&_rangeDecoder, posState) + kMatchMinLen;
             state.UpdateRep();
diff --git a/7zip/Compress/LZMA_Alone/makefile.gcc b/7zip/Compress/LZMA_Alone/makefile.gcc
index afc64388..1e180742 100755
--- a/7zip/Compress/LZMA_Alone/makefile.gcc
+++ b/7zip/Compress/LZMA_Alone/makefile.gcc
@@ -20,6 +20,7 @@ OBJS = \
   InBuffer.o \
   OutBuffer.o \
   FileStreams.o \
+  StreamUtils.o \
   Alloc.o \
   C_FileIO.o \
   CommandLineParser.o \
@@ -77,6 +78,9 @@ OutBuffer.o: ../../Common/OutBuffer.cpp
 FileStreams.o: ../../Common/FileStreams.cpp
 	$(CXX) $(CFLAGS) ../../Common/FileStreams.cpp
 
+StreamUtils.o: ../../Common/StreamUtils.cpp
+	$(CXX) $(CFLAGS) ../../Common/StreamUtils.cpp
+
 Alloc.o: ../../../Common/Alloc.cpp
 	$(CXX) $(CFLAGS) ../../../Common/Alloc.cpp
 
diff --git a/7zip/FileManager/AppState.h b/7zip/FileManager/AppState.h
index 35239266..318c0258 100755
--- a/7zip/FileManager/AppState.h
+++ b/7zip/FileManager/AppState.h
@@ -9,7 +9,7 @@ void inline AddUniqueStringToHead(UStringVector &list,
     const UString &string)
 {
   for(int i = 0; i < list.Size();)
-    if (string.CollateNoCase(list[i]) == 0)
+    if (string.CompareNoCase(list[i]) == 0)
       list.Delete(i);
     else
       i++;
diff --git a/7zip/FileManager/FSFolderCopy.cpp b/7zip/FileManager/FSFolderCopy.cpp
index 8d7c8dd7..5eadd0d6 100755
--- a/7zip/FileManager/FSFolderCopy.cpp
+++ b/7zip/FileManager/FSFolderCopy.cpp
@@ -171,7 +171,7 @@ static HRESULT MyCopyFile(
     UINT64 &completedSize)
 {
   UString destPath = destPathSpec;
-  if (destPath.CollateNoCase(srcPath) == 0)
+  if (destPath.CompareNoCase(srcPath) == 0)
   {
     UString message = UString(L"can not move file \'") + 
         GetUnicodeString(destPath, fileCodePage) + UString(L"\' onto itself");
@@ -217,7 +217,7 @@ static HRESULT CopyFolder(
 
   UString destPath = destPathSpec;
   int len = srcPath.Length();
-  if (destPath.Length() >= len && srcPath.CollateNoCase(destPath.Left(len)) == 0)
+  if (destPath.Length() >= len && srcPath.CompareNoCase(destPath.Left(len)) == 0)
   {
     if (destPath.Length() == len || destPath[len] == L'\\')
     {
@@ -330,7 +330,7 @@ HRESULT MyMoveFile(
     UINT64 &completedSize)
 {
   UString destPath = destPathSpec;
-  if (destPath.CollateNoCase(srcPath) == 0)
+  if (destPath.CompareNoCase(srcPath) == 0)
   {
     UString message = UString(L"can not move file \'")
          + GetUnicodeString(destPath, fileCodePage) +
@@ -373,7 +373,7 @@ HRESULT MyMoveFolder(
 {
   UString destPath = destPathSpec;
   int len = srcPath.Length();
-  if (destPath.Length() >= len && srcPath.CollateNoCase(destPath.Left(len)) == 0)
+  if (destPath.Length() >= len && srcPath.CompareNoCase(destPath.Left(len)) == 0)
   {
     if (destPath.Length() == len || destPath[len] == L'\\')
     {
diff --git a/7zip/FileManager/PanelDrag.cpp b/7zip/FileManager/PanelDrag.cpp
index db342f73..028be67b 100755
--- a/7zip/FileManager/PanelDrag.cpp
+++ b/7zip/FileManager/PanelDrag.cpp
@@ -532,7 +532,7 @@ bool CDropTarget::IsItSameDrive() const
   for (int i = 0; i < m_SourcePaths.Size(); i++)
   {
     const UString &path = m_SourcePaths[i];
-    if (drive.CollateNoCase(path.Left(drive.Length())) != 0)
+    if (drive.CompareNoCase(path.Left(drive.Length())) != 0)
       return false;
   }
   return true;
diff --git a/7zip/FileManager/RegistryAssociations.cpp b/7zip/FileManager/RegistryAssociations.cpp
index 5186ea79..40490d55 100755
--- a/7zip/FileManager/RegistryAssociations.cpp
+++ b/7zip/FileManager/RegistryAssociations.cpp
@@ -122,7 +122,7 @@ static bool CheckShellExtensionInfo2(const CSysString &extension)
   if (extKey.QueryValue(NULL, programNameValue) != ERROR_SUCCESS)
     return false;
   CSysString extProgramKeyName = GetExtProgramKeyName(extension);
-  return (programNameValue.CollateNoCase(extProgramKeyName) == 0);
+  return (programNameValue.CompareNoCase(extProgramKeyName) == 0);
 }
 
 bool CheckShellExtensionInfo(const CSysString &extension)
@@ -237,7 +237,7 @@ static bool CheckContextMenuHandlerCommon(const CSysString &aKeyName)
   CSysString aValue;
   if (aKey.QueryValue(NULL, aValue) != ERROR_SUCCESS)
     return false;
-  return (aValue.CollateNoCase(kContextMenuHandlerCLASSIDValue) == 0);
+  return (aValue.CompareNoCase(kContextMenuHandlerCLASSIDValue) == 0);
 }
 
 bool CheckContextMenuHandler()
diff --git a/7zip/FileManager/Resource/LangPage/LangPage.cpp b/7zip/FileManager/Resource/LangPage/LangPage.cpp
index 25491913..929bc9bf 100755
--- a/7zip/FileManager/Resource/LangPage/LangPage.cpp
+++ b/7zip/FileManager/Resource/LangPage/LangPage.cpp
@@ -58,7 +58,7 @@ bool CLangPage::OnInit()
     index = _langCombo.AddString(GetSystemString(name));
     _langCombo.SetItemData(index, _paths.Size());
     _paths.Add(GetSystemString(lang.ShortName));
-    if (g_LangID.CollateNoCase(GetSystemString(lang.ShortName)) == 0)
+    if (g_LangID.CompareNoCase(GetSystemString(lang.ShortName)) == 0)
       _langCombo.SetCurSel(index);
   }
   return CPropertyPage::OnInit();
diff --git a/7zip/FileManager/TextPairs.cpp b/7zip/FileManager/TextPairs.cpp
index b32d02cf..ce5a4c3f 100755
--- a/7zip/FileManager/TextPairs.cpp
+++ b/7zip/FileManager/TextPairs.cpp
@@ -116,7 +116,7 @@ UString GetTextConfigValue(const CObjectVector<CTextPair> &pairs, const UString
 }
 
 static int ComparePairIDs(const UString &s1, const UString &s2)
-  { return s1.CollateNoCase(s2); }
+  { return s1.CompareNoCase(s2); }
 static int ComparePairItems(const CTextPair &p1, const CTextPair &p2)
   { return ComparePairIDs(p1.ID, p2.ID); }
 
diff --git a/7zip/FileManager/ViewSettings.cpp b/7zip/FileManager/ViewSettings.cpp
index d9fd98d6..9b8d0765 100755
--- a/7zip/FileManager/ViewSettings.cpp
+++ b/7zip/FileManager/ViewSettings.cpp
@@ -419,7 +419,7 @@ void AddUniqueStringToHeadOfList(UStringVector &list,
     const UString &string)
 {
   for(int i = 0; i < list.Size();)
-    if (string.CollateNoCase(list[i]) == 0)
+    if (string.CompareNoCase(list[i]) == 0)
       list.Delete(i);
     else
       i++;
diff --git a/7zip/MyVersion.h b/7zip/MyVersion.h
index 61f68ccf..47142ea1 100755
--- a/7zip/MyVersion.h
+++ b/7zip/MyVersion.h
@@ -1,7 +1,7 @@
 #define MY_VER_MAJOR 4
-#define MY_VER_MINOR 27
-#define MY_VERSION "4.27 beta"
-#define MY_7ZIP_VERSION "7-Zip 4.27 beta"
-#define MY_DATE "2005-09-21"
+#define MY_VER_MINOR 28
+#define MY_VERSION "4.28 beta"
+#define MY_7ZIP_VERSION "7-Zip 4.28 beta"
+#define MY_DATE "2005-09-27"
 #define MY_COPYRIGHT "Copyright (c) 1999-2005 Igor Pavlov"
 #define MY_VERSION_COPYRIGHT_DATE MY_VERSION "  " MY_COPYRIGHT "  " MY_DATE
diff --git a/7zip/UI/Agent/AgentOut.cpp b/7zip/UI/Agent/AgentOut.cpp
index d31d40da..b898d461 100755
--- a/7zip/UI/Agent/AgentOut.cpp
+++ b/7zip/UI/Agent/AgentOut.cpp
@@ -485,7 +485,7 @@ HRESULT CAgent::RenameItem(
         UString oldFullPath;
         RINOK(GetArchiveItemPath(GetArchive(), i, DefaultName, oldFullPath));
 
-        if (oldItemPath.CollateNoCase(oldFullPath.Left(oldItemPath.Length())) != 0)
+        if (oldItemPath.CompareNoCase(oldFullPath.Left(oldItemPath.Length())) != 0)
           return E_INVALIDARG;
 
         updatePair.NewName = newItemPath + oldFullPath.Mid(oldItemPath.Length());
diff --git a/7zip/UI/Agent/AgentProxy.cpp b/7zip/UI/Agent/AgentProxy.cpp
index 23b3e9d1..ce5737ee 100755
--- a/7zip/UI/Agent/AgentProxy.cpp
+++ b/7zip/UI/Agent/AgentProxy.cpp
@@ -22,7 +22,7 @@ int CProxyFolder::FindDirSubItemIndex(const UString &name, int &insertPos) const
       return -1;
     }
     int mid = (left + right) / 2;
-    int compare = name.CollateNoCase(Folders[mid].Name);
+    int compare = name.CompareNoCase(Folders[mid].Name);
     if (compare == 0)
       return mid;
     if (compare < 0)
diff --git a/7zip/UI/Common/ArchiveCommandLine.cpp b/7zip/UI/Common/ArchiveCommandLine.cpp
index 3a3a8c33..664f4972 100755
--- a/7zip/UI/Common/ArchiveCommandLine.cpp
+++ b/7zip/UI/Common/ArchiveCommandLine.cpp
@@ -412,7 +412,7 @@ static void ConvertToLongNames(const UString &prefix, NWildcard::CCensorNode &no
     for (int j = i + 1; j < node.SubNodes.Size();)
     {
       const NWildcard::CCensorNode &nextNode2 = node.SubNodes[j];
-      if (nextNode1.Name.CollateNoCase(nextNode2.Name) == 0)
+      if (nextNode1.Name.CompareNoCase(nextNode2.Name) == 0)
       {
         nextNode1.IncludeItems += nextNode2.IncludeItems;
         nextNode1.ExcludeItems += nextNode2.ExcludeItems;
diff --git a/7zip/UI/Common/ArchiveExtractCallback.cpp b/7zip/UI/Common/ArchiveExtractCallback.cpp
index 6e4be552..1495446a 100755
--- a/7zip/UI/Common/ArchiveExtractCallback.cpp
+++ b/7zip/UI/Common/ArchiveExtractCallback.cpp
@@ -191,7 +191,7 @@ STDMETHODIMP CArchiveExtractCallback::GetStream(UInt32 index,
         if(pathParts.Size() <= numRemovePathParts)
           return E_FAIL;
         for(int i = 0; i < numRemovePathParts; i++)
-          if(_removePathParts[i].CollateNoCase(pathParts[i]) != 0)
+          if(_removePathParts[i].CompareNoCase(pathParts[i]) != 0)
             return E_FAIL;
         pathParts.Delete(0, numRemovePathParts);
         processedPath = MakePathNameFromParts(pathParts);
diff --git a/7zip/UI/Common/ArchiverInfo.h b/7zip/UI/Common/ArchiverInfo.h
index b05d0614..3b829518 100755
--- a/7zip/UI/Common/ArchiverInfo.h
+++ b/7zip/UI/Common/ArchiverInfo.h
@@ -32,7 +32,7 @@ struct CArchiverInfo
   int FindExtension(const UString &ext) const
   {
     for (int i = 0; i < Extensions.Size(); i++)
-      if (ext.CollateNoCase(Extensions[i].Ext) == 0)
+      if (ext.CompareNoCase(Extensions[i].Ext) == 0)
         return i;
     return -1;
   }
diff --git a/7zip/UI/Common/DefaultName.cpp b/7zip/UI/Common/DefaultName.cpp
index dcc2152d..ab75fa2c 100755
--- a/7zip/UI/Common/DefaultName.cpp
+++ b/7zip/UI/Common/DefaultName.cpp
@@ -15,7 +15,7 @@ UString GetDefaultName2(const UString &fileName,
   {
     int dotPos = fileNameLength - (extLength + 1);
     if (fileName[dotPos] == '.')
-      if (extension.CollateNoCase(fileName.Mid(dotPos + 1)) == 0)
+      if (extension.CompareNoCase(fileName.Mid(dotPos + 1)) == 0)
         return fileName.Left(dotPos) + addSubExtension;
   }
   return kEmptyFileAlias;
diff --git a/7zip/UI/Common/UpdatePair.cpp b/7zip/UI/Common/UpdatePair.cpp
index 64515865..ce8f2dd7 100755
--- a/7zip/UI/Common/UpdatePair.cpp
+++ b/7zip/UI/Common/UpdatePair.cpp
@@ -54,7 +54,7 @@ static inline int MyFileNameCompare(const UString &s1, const UString &s2)
 {
   return 
   #ifdef _WIN32
-  s1.CollateNoCase(s2);
+  s1.CompareNoCase(s2);
   #else
   s1.Compare(s2);
   #endif
diff --git a/7zip/UI/Explorer/RegistryContextMenu.cpp b/7zip/UI/Explorer/RegistryContextMenu.cpp
index 409f8204..73a8420e 100755
--- a/7zip/UI/Explorer/RegistryContextMenu.cpp
+++ b/7zip/UI/Explorer/RegistryContextMenu.cpp
@@ -45,7 +45,7 @@ static bool CheckContextMenuHandlerCommon(const CSysString &keyName)
   CSysString value;
   if (key.QueryValue(NULL, value) != ERROR_SUCCESS)
     return false;
-  return (value.CollateNoCase(kExtensionCLSID) == 0);
+  return (value.CompareNoCase(kExtensionCLSID) == 0);
 }
 
 static bool CheckDragDropMenuHandlerCommon(const CSysString &keyName)
@@ -57,7 +57,7 @@ static bool CheckDragDropMenuHandlerCommon(const CSysString &keyName)
   CSysString value;
   if (key.QueryValue(NULL, value) != ERROR_SUCCESS)
     return false;
-  return (value.CollateNoCase(kExtensionCLSID) == 0);
+  return (value.CompareNoCase(kExtensionCLSID) == 0);
 }
 
 bool CheckContextMenuHandler()
diff --git a/7zip/UI/Far/PluginWrite.cpp b/7zip/UI/Far/PluginWrite.cpp
index 0342be2e..58d77ec9 100755
--- a/7zip/UI/Far/PluginWrite.cpp
+++ b/7zip/UI/Far/PluginWrite.cpp
@@ -362,7 +362,7 @@ HRESULT CompressFiles(const CObjectVector<PluginPanelItem> &pluginPanelItems)
       const CArchiverInfo &archiverInfo = fullArchiverInfoList[i];
       if (archiverInfo.UpdateEnabled)
       {
-        if (archiverInfo.Name.CollateNoCase(compressionInfo.ArchiveType) == 0)
+        if (archiverInfo.Name.CompareNoCase(compressionInfo.ArchiveType) == 0)
           archiverIndex = archiverInfoList.Size();
         archiverInfoList.Add(archiverInfo);
       }
@@ -612,7 +612,7 @@ HRESULT CompressFiles(const CObjectVector<PluginPanelItem> &pluginPanelItems)
         &archiveType,
         NULL));
 
-    if (archiverInfoFinal.Name.CollateNoCase((const wchar_t *)archiveType) != 0)
+    if (archiverInfoFinal.Name.CompareNoCase((const wchar_t *)archiveType) != 0)
       throw "Type of existing archive differs from specified type";
     HRESULT result = archiveHandler.QueryInterface(
         IID_IOutFolderArchive, &outArchive);
diff --git a/7zip/UI/GUI/CompressDialog.cpp b/7zip/UI/GUI/CompressDialog.cpp
index 2a0147c3..12e1cd37 100755
--- a/7zip/UI/GUI/CompressDialog.cpp
+++ b/7zip/UI/GUI/CompressDialog.cpp
@@ -265,8 +265,7 @@ bool CCompressDialog::OnInit()
   {
     const CArchiverInfo &ai = m_ArchiverInfoList[i];
     m_Format.AddString(GetSystemString(ai.Name));
-    if (ai.Name.CollateNoCase(
-        m_RegistryInfo.ArchiveType) == 0)
+    if (ai.Name.CompareNoCase(m_RegistryInfo.ArchiveType) == 0)
       Info.ArchiverInfoIndex = i;
   }
   m_Format.SetCurSel(Info.ArchiverInfoIndex);
@@ -879,7 +878,7 @@ void CCompressDialog::SetDictionary()
   if (index >= 0)
   {
     const NCompression::CFormatOptions &fo = m_RegistryInfo.FormatOptionsVector[index];
-    if (fo.Method.CollateNoCase(GetMethodSpec()) == 0)
+    if (fo.Method.CompareNoCase(GetMethodSpec()) == 0)
       defaultDictionary = fo.Dictionary;
   }
   int methodID = GetMethodID();
@@ -1006,7 +1005,7 @@ void CCompressDialog::SetOrder()
   if (index >= 0)
   {
     const NCompression::CFormatOptions &fo = m_RegistryInfo.FormatOptionsVector[index];
-    if (fo.Method.CollateNoCase(GetMethodSpec()) == 0)
+    if (fo.Method.CompareNoCase(GetMethodSpec()) == 0)
       defaultOrder = fo.Order;
   }
   int methodID = GetMethodID();
diff --git a/7zip/UI/GUI/ExtractDialog.cpp b/7zip/UI/GUI/ExtractDialog.cpp
index 43c04ae3..3d71f04d 100755
--- a/7zip/UI/GUI/ExtractDialog.cpp
+++ b/7zip/UI/GUI/ExtractDialog.cpp
@@ -300,7 +300,7 @@ void CExtractDialog::OnButtonSetPath()
 void AddUniqueString(CSysStringVector &list, const CSysString &s)
 {
   for(int i = 0; i < list.Size(); i++)
-    if (s.CollateNoCase(list[i]) == 0)
+    if (s.CompareNoCase(list[i]) == 0)
       return;
   list.Add(s);
 }
diff --git a/Common/String.cpp b/Common/String.cpp
index 34ec37e0..a3d5bed1 100755
--- a/Common/String.cpp
+++ b/Common/String.cpp
@@ -71,6 +71,7 @@ wchar_t * MyStringLower(wchar_t *s)
 
 #endif
 
+/*
 inline int ConvertCompareResult(int r) { return r - 2; }
 
 int MyStringCollate(const wchar_t *s1, const wchar_t *s2)
@@ -114,25 +115,16 @@ int MyStringCollateNoCase(const wchar_t *s1, const wchar_t *s2)
       UnicodeStringToMultiByte(s2));
   #endif
 }
+*/
 
 #else
 
-inline int NormalizeCompareResult(int res)
-{
-  if (res < 0) return -1;
-  if (res > 0) return 1;
-  return 0;
-}
-
-/*
-inline wchar_t MyCharUpper(wchar_t c)
-  { return towupper(c); }
-*/
 wchar_t MyCharUpper(wchar_t c)
 {
   return toupper(c);
 }
 
+/*
 int MyStringCollateNoCase(const wchar_t *s1, const wchar_t *s2)
 { 
   while (true)
@@ -147,6 +139,7 @@ int MyStringCollateNoCase(const wchar_t *s1, const wchar_t *s2)
     if (u1 == 0) return 0;
   }
 }
+*/
 
 #endif
 
@@ -173,3 +166,27 @@ int MyStringCompare(const wchar_t *s1, const wchar_t *s2)
     if (c1 == 0) return 0;
   }
 }
+
+int MyStringCompareNoCase(const wchar_t *s1, const wchar_t *s2)
+{ 
+  while (true)
+  {
+    wchar_t c1 = *s1++;
+    wchar_t c2 = *s2++;
+    if (c1 != c2)
+    {
+      wchar_t u1 = MyCharUpper(c1);
+      wchar_t u2 = MyCharUpper(c2);
+      if (u1 < u2) return -1;
+      if (u1 > u2) return 1;
+    }
+    if (c1 == 0) return 0;
+  }
+}
+
+#ifdef _WIN32
+int MyStringCompareNoCase(const char *s1, const char *s2)
+{ 
+  return MyStringCompareNoCase(MultiByteToUnicodeString(s1), MultiByteToUnicodeString(s2));
+}
+#endif
diff --git a/Common/String.h b/Common/String.h
index a34e8347..c4277c1c 100755
--- a/Common/String.h
+++ b/Common/String.h
@@ -90,19 +90,23 @@ wchar_t MyCharUpper(wchar_t c);
 //////////////////////////////////////
 // Compare
 
+/*
 #ifndef _WIN32_WCE
 int MyStringCollate(const char *s1, const char *s2);
 int MyStringCollateNoCase(const char *s1, const char *s2);
 #endif
 int MyStringCollate(const wchar_t *s1, const wchar_t *s2);
 int MyStringCollateNoCase(const wchar_t *s1, const wchar_t *s2);
+*/
 
 int MyStringCompare(const char *s1, const char  *s2);
 int MyStringCompare(const wchar_t *s1, const wchar_t *s2);
 
-template <class T>
-inline int MyStringCompareNoCase(const T *s1, const T *s2)
-  { return MyStringCollateNoCase(s1, s2); }
+#ifdef _WIN32
+int MyStringCompareNoCase(const char *s1, const char  *s2);
+#endif
+
+int MyStringCompareNoCase(const wchar_t *s1, const wchar_t *s2);
 
 template <class T>
 class CStringBase
@@ -358,10 +362,12 @@ public:
 
   int CompareNoCase(const CStringBase& s) const
     { return MyStringCompareNoCase(_chars, s._chars); }
+  /*
   int Collate(const CStringBase& s) const
     { return MyStringCollate(_chars, s._chars); }
   int CollateNoCase(const CStringBase& s) const
     { return MyStringCollateNoCase(_chars, s._chars); }
+  */
 
   int Find(T c) const { return Find(c, 0); }
   int Find(T c, int startIndex) const
diff --git a/Common/Wildcard.cpp b/Common/Wildcard.cpp
index 74ad97a6..80cd82d8 100755
--- a/Common/Wildcard.cpp
+++ b/Common/Wildcard.cpp
@@ -202,7 +202,7 @@ bool CItem::CheckPath(const UStringVector &pathParts, bool isFile) const
 int CCensorNode::FindSubNode(const UString &name) const
 {
   for (int i = 0; i < SubNodes.Size(); i++)
-    if (SubNodes[i].Name.CollateNoCase(name) == 0)
+    if (SubNodes[i].Name.CompareNoCase(name) == 0)
       return i;
   return -1;
 }
@@ -349,7 +349,7 @@ void CCensorNode::AddItem2(bool include, const UString &path, bool recursive)
 int CCensor::FindPrefix(const UString &prefix) const
 {
   for (int i = 0; i < Pairs.Size(); i++)
-    if (Pairs[i].Prefix.CollateNoCase(prefix) == 0)
+    if (Pairs[i].Prefix.CompareNoCase(prefix) == 0)
       return i;
   return -1;
 }
diff --git a/DOC/7zip.nsi b/DOC/7zip.nsi
index ec91560a..35264690 100755
--- a/DOC/7zip.nsi
+++ b/DOC/7zip.nsi
@@ -2,7 +2,7 @@
 ;Defines
 
 !define VERSION_MAJOR 4
-!define VERSION_MINOR 27
+!define VERSION_MINOR 28
 !define VERSION_POSTFIX_FULL " beta"
 !ifdef WIN64
 !ifdef IA64