diff --git a/PowerEditor/bin/change.log b/PowerEditor/bin/change.log
index d2ab0e12..49cc6848 100644
--- a/PowerEditor/bin/change.log
+++ b/PowerEditor/bin/change.log
@@ -1,3 +1,10 @@
+Notepad++ v5.4.2 fixed bugs (from v5.4.1) :
+
+1.  Fix the localization switcher bug while w/o doLocalConf.xml.
+2.  Fix only one document "Move to other view" close Notepad++ instance issue.
+3.  Fix plugin menu boolean check box bug.
+
+
 Notepad++ v5.4.1 new features and fixed bugs (from v5.4) :
 
 1.  Add ChangeMarkers plugin in installer. 
diff --git a/PowerEditor/bin/npp.pdb b/PowerEditor/bin/npp.pdb
index ef8ec41f..0fb25c16 100644
Binary files a/PowerEditor/bin/npp.pdb and b/PowerEditor/bin/npp.pdb differ
diff --git a/PowerEditor/installer/nppSetup.nsi b/PowerEditor/installer/nppSetup.nsi
index 7902663e..0b54e7c7 100644
--- a/PowerEditor/installer/nppSetup.nsi
+++ b/PowerEditor/installer/nppSetup.nsi
@@ -17,18 +17,18 @@
 
 ; Define the application name
 !define APPNAME "Notepad++"
-!define APPVERSION "5.4.1"
-!define APPNAMEANDVERSION "Notepad++ v5.4.1"
+!define APPVERSION "5.4.2"
+!define APPNAMEANDVERSION "Notepad++ v5.4.2"
 !define APPWEBSITE "http://notepad-plus.sourceforge.net/"
 
 !define VERSION_MAJOR 5
-!define VERSION_MINOR 41
+!define VERSION_MINOR 42
 
 ; Main Install settings
 Name "${APPNAMEANDVERSION}"
 InstallDir "$PROGRAMFILES\Notepad++"
 InstallDirRegKey HKLM "Software\${APPNAME}" ""
-OutFile "..\bin\npp.5.4.1.Installer.exe"
+OutFile "..\bin\npp.5.4.2.Installer.exe"
 
 ; GetWindowsVersion
  ;
@@ -730,6 +730,16 @@ SubSection "Themes" Themes
 		File "..\bin\themes\Vibrant Ink.xml"
 	SectionEnd
 	
+	Section "Deep Black" DeepBlack
+		SetOutPath "$INSTDIR\themes"
+		File "..\bin\themes\Deep Black.xml"
+	SectionEnd
+	
+	Section "vim Dark Blue" vimDarkBlue
+		SetOutPath "$INSTDIR\themes"
+		File "..\bin\themes\vim Dark Blue.xml"
+	SectionEnd
+	
 SubSectionEnd
 
 Section /o "As default html viewer" htmlViewer
@@ -1039,6 +1049,16 @@ SubSection un.Themes
 		Delete "$INSTDIR\themes\Vibrant Ink.xml"
 		RMDir "$INSTDIR\themes\"
 	SectionEnd
+
+	Section un.DeepBlack
+		Delete "$INSTDIR\themes\Deep Black.xml"
+		RMDir "$INSTDIR\themes\"
+	SectionEnd
+	
+	Section un.vimDarkBlue
+		Delete "$INSTDIR\themes\vim Dark Blue.xml"
+		RMDir "$INSTDIR\themes\"
+	SectionEnd
 SubSectionEnd
 
 Section un.htmlViewer
diff --git a/PowerEditor/src/MISC/PluginsManager/Notepad_plus_msgs.h b/PowerEditor/src/MISC/PluginsManager/Notepad_plus_msgs.h
index 3fb59e3c..54670350 100644
--- a/PowerEditor/src/MISC/PluginsManager/Notepad_plus_msgs.h
+++ b/PowerEditor/src/MISC/PluginsManager/Notepad_plus_msgs.h
@@ -425,9 +425,14 @@ enum winVer{WV_UNKNOWN, WV_WIN32S, WV_95, WV_98, WV_ME, WV_NT, WV_W2K, WV_XP, WV
 	//scnNotification->nmhdr.hwndFrom = hwndNpp;
 	//scnNotification->nmhdr.idFrom = BufferID;
 
-	#define NPPN_READONLYCHANGED (NPPN_FIRST + 16)  // To notify plugins that current document change the readonly status
+	#define NPPN_READONLYCHANGED (NPPN_FIRST + 16)  // To notify plugins that current document change the readonly status,
 	//scnNotification->nmhdr.code = NPPN_READONLYCHANGED;
-	//scnNotification->nmhdr.hwndFrom = hwndNpp;
-	//scnNotification->nmhdr.idFrom = isReadOnlyActivated;
+	//scnNotification->nmhdr.hwndFrom = bufferID;
+	//scnNotification->nmhdr.idFrom = docStatus;
+		// where bufferID is BufferID
+		//       docStatus can be combined by DOCSTAUS_READONLY and DOCSTAUS_BUFFERDIRTY
+
+		#define DOCSTAUS_READONLY 1
+		#define DOCSTAUS_BUFFERDIRTY 2
 
 #endif //NOTEPAD_PLUS_MSGS_H
diff --git a/PowerEditor/src/Notepad_plus.cpp b/PowerEditor/src/Notepad_plus.cpp
index 1539bc58..0c81d329 100644
--- a/PowerEditor/src/Notepad_plus.cpp
+++ b/PowerEditor/src/Notepad_plus.cpp
@@ -2628,7 +2628,7 @@ BOOL Notepad_plus::notify(SCNotification *notification)
 		::ScreenToClient(_hSelf, &p);
 		HWND hWin = ::RealChildWindowFromPoint(_hSelf, p);
 
-		static generic_string tip;
+		static generic_string tip = TEXT("");
 		int id = int(lpttt->hdr.idFrom);
 
 		if (hWin == _rebarTop.getHSelf())
@@ -5310,6 +5310,29 @@ void Notepad_plus::docOpenInNewInstance(FileTransferMode mode, int x, int y)
 
 void Notepad_plus::docGotoAnotherEditView(FileTransferMode mode)
 {
+	// Test if it's only doc to transfer on the hidden view
+	// If so then do nothing
+	if (mode == TransferMove)
+	{
+		if (_pDocTab->nbItem() == 1)
+		{
+			ScintillaEditView *pOtherView = NULL;
+			if (_pEditView == &_mainEditView)
+			{
+				pOtherView = &_subEditView;
+			}
+			else if (_pEditView == &_subEditView)
+			{
+				pOtherView = &_mainEditView;
+			}
+			else
+				return;
+
+			if (!pOtherView->isVisible())
+				return;
+		}
+	}
+
 	//First put the doc in the other view if not present (if it is, activate it).
 	//Then if needed close in the original tab
 	BufferID current = _pEditView->getCurrentBufferID();
@@ -9686,6 +9709,23 @@ void Notepad_plus::notifyBufferChanged(Buffer * buffer, int mask) {
 		}
 	}
 
+    if (mask & (BufferChangeReadonly))
+	{
+		checkDocState();
+		
+		bool isSysReadOnly = buffer->getFileReadOnly();
+		bool isUserReadOnly = buffer->getUserReadOnly();
+		bool isDirty = buffer->isDirty();
+
+		// To notify plugins ro status is changed
+		SCNotification scnN;
+		scnN.nmhdr.hwndFrom = (void *)buffer->getID();
+		scnN.nmhdr.idFrom = (uptr_t)  ((isSysReadOnly || isUserReadOnly? DOCSTAUS_READONLY : 0) | (isDirty ? DOCSTAUS_BUFFERDIRTY : 0));
+		scnN.nmhdr.code = NPPN_READONLYCHANGED;
+		_pluginsManager.notify(&scnN);
+
+	}
+
 	if (!mainActive && !subActive)
 	{
 		return;
@@ -9751,7 +9791,7 @@ void Notepad_plus::notifyBufferChanged(Buffer * buffer, int mask) {
 		// To notify plugins ro status is changed
 		SCNotification scnN;
 		scnN.nmhdr.code = NPPN_READONLYCHANGED;
-		scnN.nmhdr.hwndFrom = _hSelf;
+		scnN.nmhdr.hwndFrom = buffer;
 		scnN.nmhdr.idFrom = int(isSysReadOnly || isUserReadOnly);
 		_pluginsManager.notify(&scnN);
 	}
diff --git a/PowerEditor/src/Notepad_plus.rc b/PowerEditor/src/Notepad_plus.rc
index 7d8b5cda..06e491d9 100644
--- a/PowerEditor/src/Notepad_plus.rc
+++ b/PowerEditor/src/Notepad_plus.rc
@@ -583,7 +583,7 @@ BEGIN
     GROUPBOX        "GNU General Public Licence",IDC_STATIC,19,75,231,131,BS_CENTER
     DEFPUSHBUTTON   "Ok",IDOK,106,215,50,14,BS_FLAT,WS_EX_STATICEDGE
     LTEXT           "Author :",IDC_STATIC,21,41,31,8
-    LTEXT           "Don HO",IDC_AUTHOR_NAME,78,41,25,8
+    LTEXT           "Notepad++ team",IDC_AUTHOR_NAME,78,41,70,8
     LTEXT           "Home Page :",IDC_STATIC,21,54,47,8
     LTEXT           "http://notepad-plus.sourceforge.net/",IDC_HOME_ADDR,78,54,126,8
     EDITTEXT        IDC_LICENCE_EDIT,31,99,209,96,ES_MULTILINE | ES_AUTOVSCROLL | ES_READONLY | NOT WS_BORDER | WS_VSCROLL
diff --git a/PowerEditor/src/WinControls/AboutDlg/AboutDlg.cpp b/PowerEditor/src/WinControls/AboutDlg/AboutDlg.cpp
index a89139ee..28dbd033 100644
--- a/PowerEditor/src/WinControls/AboutDlg/AboutDlg.cpp
+++ b/PowerEditor/src/WinControls/AboutDlg/AboutDlg.cpp
@@ -45,7 +45,8 @@ BOOL CALLBACK AboutDlg::run_dlgProc(UINT message, WPARAM wParam, LPARAM lParam)
             ::SendMessage(licenceEditHandle, WM_SETTEXT, 0, (LPARAM)LICENCE_TXT);
 
             _emailLink.init(_hInst, _hSelf);
-			_emailLink.create(::GetDlgItem(_hSelf, IDC_AUTHOR_NAME), TEXT("mailto:don.h@free.fr"));
+			//_emailLink.create(::GetDlgItem(_hSelf, IDC_AUTHOR_NAME), TEXT("mailto:don.h@free.fr"));
+			_emailLink.create(::GetDlgItem(_hSelf, IDC_AUTHOR_NAME), TEXT("http://sourceforge.net/project/memberlist.php?group_id=95717"));
 
             _pageLink.init(_hInst, _hSelf);
             _pageLink.create(::GetDlgItem(_hSelf, IDC_HOME_ADDR), TEXT("http://notepad-plus.sourceforge.net/"));
diff --git a/PowerEditor/src/WinControls/shortcut/shortcut.cpp b/PowerEditor/src/WinControls/shortcut/shortcut.cpp
index 1ceb1660..1b104192 100644
--- a/PowerEditor/src/WinControls/shortcut/shortcut.cpp
+++ b/PowerEditor/src/WinControls/shortcut/shortcut.cpp
@@ -529,9 +529,11 @@ void Accelerator::updateFullMenu() {
 
 void Accelerator::updateMenuItemByCommand(CommandShortcut csc) {
 	int cmdID = (int)csc.getID();
-	MENUITEMINFO cmdMII;
-	::GetMenuItemInfo(_hAccelMenu, cmdID, MF_BYCOMMAND, &cmdMII);
-	::ModifyMenu(_hAccelMenu, cmdID, MF_BYCOMMAND|cmdMII.fMask, cmdID, csc.toMenuItemString().c_str());
+	
+	//  Ensure that the menu item checks set prior to this update remain in affect.
+	UINT cmdFlags = GetMenuState(_hAccelMenu, cmdID, MF_BYCOMMAND );
+	cmdFlags = MF_BYCOMMAND | (cmdFlags&MF_CHECKED) ? ( MF_CHECKED ) : ( MF_UNCHECKED );
+	::ModifyMenu(_hAccelMenu, cmdID, cmdFlags, cmdID, csc.toMenuItemString().c_str());
 }
 
 recordedMacroStep::recordedMacroStep(int iMessage, long wParam, long lParam)
diff --git a/PowerEditor/src/resource.h b/PowerEditor/src/resource.h
index ffff0671..1144396f 100644
--- a/PowerEditor/src/resource.h
+++ b/PowerEditor/src/resource.h
@@ -18,9 +18,9 @@
 #ifndef RESOURCE_H
 #define RESOURCE_H
 
-#define NOTEPAD_PLUS_VERSION TEXT("Notepad++ v5.4.1")
-#define VERSION_VALUE TEXT("5.41\0")  // should be X.Y : ie. if VERSION_DIGITALVALUE == 4, 7, 1, 0 , then X = 4, Y = 71 
-#define VERSION_DIGITALVALUE 5, 4, 1, 0
+#define NOTEPAD_PLUS_VERSION TEXT("Notepad++ v5.4.2")
+#define VERSION_VALUE TEXT("5.42\0")  // should be X.Y : ie. if VERSION_DIGITALVALUE == 4, 7, 1, 0 , then X = 4, Y = 71 
+#define VERSION_DIGITALVALUE 5, 4, 2, 0
 
 #ifdef UNICODE
 #define UNICODE_ANSI_MODE TEXT("(UNICODE)")
diff --git a/PowerEditor/visual.net/notepadPlus.vcproj b/PowerEditor/visual.net/notepadPlus.vcproj
index e7bce8a3..425489dd 100644
--- a/PowerEditor/visual.net/notepadPlus.vcproj
+++ b/PowerEditor/visual.net/notepadPlus.vcproj
@@ -142,7 +142,7 @@
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
-				WarningLevel="4"
+				WarningLevel="3"
 				Detect64BitPortabilityProblems="false"
 				DebugInformationFormat="3"
 			/>