diff --git a/src/.cproject b/src/.cproject
index e6963f6..80e6296 100644
--- a/src/.cproject
+++ b/src/.cproject
@@ -26,8 +26,9 @@
 								<option id="gnu.cpp.compiler.mingw.exe.debug.option.debugging.level.693304093" name="Debug Level" superClass="gnu.cpp.compiler.mingw.exe.debug.option.debugging.level" value="gnu.cpp.compiler.debugging.level.max" valueType="enumerated"/>
 								<option id="gnu.cpp.compiler.option.include.paths.334981297" name="Include paths (-I)" superClass="gnu.cpp.compiler.option.include.paths" valueType="includePath">
 									<listOptionValue builtIn="false" value="${BOOSTINC}"/>
-									<listOptionValue builtIn="false" value="${WXWIDGETS}\include"/>
-									<listOptionValue builtIn="false" value="${WXWIDGETS}\lib\gcc_lib\mswud"/>
+									<listOptionValue builtIn="false" value="${WXWIDGETS}/include"/>
+									<listOptionValue builtIn="false" value="${WXWIDGETS}/contrib/include"/>
+									<listOptionValue builtIn="false" value="${WXWIDGETS}/lib/gcc_lib/mswud"/>
 								</option>
 								<option id="gnu.cpp.compiler.option.other.other.1952331323" name="Other flags" superClass="gnu.cpp.compiler.option.other.other" value="-c -fmessage-length=0" valueType="string"/>
 								<option id="gnu.cpp.compiler.option.preprocessor.def.1236209686" name="Defined symbols (-D)" superClass="gnu.cpp.compiler.option.preprocessor.def" valueType="definedSymbols">
@@ -51,24 +52,22 @@
 									<listOptionValue builtIn="false" value="pcre"/>
 									<listOptionValue builtIn="false" value="xerces-c"/>
 									<listOptionValue builtIn="false" value="aspell"/>
-									<listOptionValue builtIn="false" value="wxmsw29ud_richtext"/>
-									<listOptionValue builtIn="false" value="wxmsw29ud_html"/>
-									<listOptionValue builtIn="false" value="wxmsw29ud_stc"/>
-									<listOptionValue builtIn="false" value="wxmsw29ud_aui"/>
-									<listOptionValue builtIn="false" value="wxmsw29ud_adv"/>
-									<listOptionValue builtIn="false" value="wxmsw29ud_stc"/>
-									<listOptionValue builtIn="false" value="wxmsw29ud_core"/>
-									<listOptionValue builtIn="false" value="wxmsw29ud_richtext"/>
-									<listOptionValue builtIn="false" value="wxbase29ud_xml"/>
-									<listOptionValue builtIn="false" value="wxbase29ud_net"/>
-									<listOptionValue builtIn="false" value="wxbase29ud"/>
+									<listOptionValue builtIn="false" value="wxmsw28ud_richtext"/>
+									<listOptionValue builtIn="false" value="wxmsw28ud_html"/>
+									<listOptionValue builtIn="false" value="wxmsw28ud_stc"/>
+									<listOptionValue builtIn="false" value="wxmsw28ud_aui"/>
+									<listOptionValue builtIn="false" value="wxmsw28ud_adv"/>
+									<listOptionValue builtIn="false" value="wxmsw28ud_stc"/>
+									<listOptionValue builtIn="false" value="wxmsw28ud_core"/>
+									<listOptionValue builtIn="false" value="wxmsw28ud_richtext"/>
+									<listOptionValue builtIn="false" value="wxbase28ud_xml"/>
+									<listOptionValue builtIn="false" value="wxbase28ud_net"/>
+									<listOptionValue builtIn="false" value="wxbase28ud"/>
 									<listOptionValue builtIn="false" value="wxtiffd"/>
 									<listOptionValue builtIn="false" value="wxjpegd"/>
 									<listOptionValue builtIn="false" value="wxpngd"/>
 									<listOptionValue builtIn="false" value="wxzlibd"/>
 									<listOptionValue builtIn="false" value="wxregexud"/>
-									<listOptionValue builtIn="false" value="wxscintillad"/>
-									<listOptionValue builtIn="false" value="wxregexud"/>
 									<listOptionValue builtIn="false" value="kernel32"/>
 									<listOptionValue builtIn="false" value="user32"/>
 									<listOptionValue builtIn="false" value="gdi32"/>
@@ -87,7 +86,7 @@
 									<listOptionValue builtIn="false" value="pthread"/>
 								</option>
 								<option id="gnu.cpp.link.option.paths.1556491407" name="Library search path (-L)" superClass="gnu.cpp.link.option.paths" valueType="libPaths">
-									<listOptionValue builtIn="false" value="${WXWIDGETS}\lib\gcc_lib"/>
+									<listOptionValue builtIn="false" value="${WXWIDGETS}/lib/gcc_lib"/>
 								</option>
 								<option id="gnu.cpp.link.option.userobjs.598298270" name="Other objects" superClass="gnu.cpp.link.option.userobjs" valueType="userObjs">
 									<listOptionValue builtIn="false" value="${ConfigName}/xmlcopyeditor_rc.o"/>
@@ -129,8 +128,9 @@
 								<option id="gnu.cpp.compiler.mingw.exe.release.option.debugging.level.1567946828" name="Debug Level" superClass="gnu.cpp.compiler.mingw.exe.release.option.debugging.level" value="gnu.cpp.compiler.debugging.level.none" valueType="enumerated"/>
 								<option id="gnu.cpp.compiler.option.include.paths.1851942004" name="Include paths (-I)" superClass="gnu.cpp.compiler.option.include.paths" valueType="includePath">
 									<listOptionValue builtIn="false" value="${BOOSTINC}"/>
-									<listOptionValue builtIn="false" value="${WXWIDGETS}\include"/>
-									<listOptionValue builtIn="false" value="${WXWIDGETS}\lib\gcc_lib\mswu"/>
+									<listOptionValue builtIn="false" value="${WXWIDGETS}/include"/>
+									<listOptionValue builtIn="false" value="${WXWIDGETS}/contrib/include"/>
+									<listOptionValue builtIn="false" value="${WXWIDGETS}/lib/gcc_lib/mswu"/>
 								</option>
 								<option id="gnu.cpp.compiler.option.other.other.1853611325" name="Other flags" superClass="gnu.cpp.compiler.option.other.other" value="-c -fmessage-length=0" valueType="string"/>
 								<option id="gnu.cpp.compiler.option.preprocessor.def.1550164037" name="Defined symbols (-D)" superClass="gnu.cpp.compiler.option.preprocessor.def" valueType="definedSymbols">
@@ -153,24 +153,22 @@
 									<listOptionValue builtIn="false" value="pcre"/>
 									<listOptionValue builtIn="false" value="xerces-c"/>
 									<listOptionValue builtIn="false" value="aspell"/>
-									<listOptionValue builtIn="false" value="wxmsw29u_richtext"/>
-									<listOptionValue builtIn="false" value="wxmsw29u_html"/>
-									<listOptionValue builtIn="false" value="wxmsw29u_stc"/>
-									<listOptionValue builtIn="false" value="wxmsw29u_aui"/>
-									<listOptionValue builtIn="false" value="wxmsw29u_adv"/>
-									<listOptionValue builtIn="false" value="wxmsw29u_stc"/>
-									<listOptionValue builtIn="false" value="wxmsw29u_core"/>
-									<listOptionValue builtIn="false" value="wxmsw29u_richtext"/>
-									<listOptionValue builtIn="false" value="wxbase29u_xml"/>
-									<listOptionValue builtIn="false" value="wxbase29u_net"/>
-									<listOptionValue builtIn="false" value="wxbase29u"/>
+									<listOptionValue builtIn="false" value="wxmsw28u_richtext"/>
+									<listOptionValue builtIn="false" value="wxmsw28u_html"/>
+									<listOptionValue builtIn="false" value="wxmsw28u_stc"/>
+									<listOptionValue builtIn="false" value="wxmsw28u_aui"/>
+									<listOptionValue builtIn="false" value="wxmsw28u_adv"/>
+									<listOptionValue builtIn="false" value="wxmsw28u_stc"/>
+									<listOptionValue builtIn="false" value="wxmsw28u_core"/>
+									<listOptionValue builtIn="false" value="wxmsw28u_richtext"/>
+									<listOptionValue builtIn="false" value="wxbase28u_xml"/>
+									<listOptionValue builtIn="false" value="wxbase28u_net"/>
+									<listOptionValue builtIn="false" value="wxbase28u"/>
 									<listOptionValue builtIn="false" value="wxtiff"/>
 									<listOptionValue builtIn="false" value="wxjpeg"/>
 									<listOptionValue builtIn="false" value="wxpng"/>
 									<listOptionValue builtIn="false" value="wxzlib"/>
 									<listOptionValue builtIn="false" value="wxregexu"/>
-									<listOptionValue builtIn="false" value="wxscintilla"/>
-									<listOptionValue builtIn="false" value="wxregexu"/>
 									<listOptionValue builtIn="false" value="kernel32"/>
 									<listOptionValue builtIn="false" value="user32"/>
 									<listOptionValue builtIn="false" value="gdi32"/>
@@ -189,7 +187,7 @@
 									<listOptionValue builtIn="false" value="pthread"/>
 								</option>
 								<option id="gnu.cpp.link.option.paths.161756907" name="Library search path (-L)" superClass="gnu.cpp.link.option.paths" valueType="libPaths">
-									<listOptionValue builtIn="false" value="${WXWIDGETS}\lib\gcc_lib"/>
+									<listOptionValue builtIn="false" value="${WXWIDGETS}/lib/gcc_lib"/>
 								</option>
 								<option id="gnu.cpp.link.option.userobjs.30870315" name="Other objects" superClass="gnu.cpp.link.option.userobjs" valueType="userObjs">
 									<listOptionValue builtIn="false" value="${ConfigName}/xmlcopyeditor_rc.o"/>
@@ -238,6 +236,6 @@
 		</scannerConfigBuildInfo>
 	</storageModule>
 	<storageModule moduleId="refreshScope" versionNumber="1">
-		<resource resourceType="PROJECT" workspacePath="/XmlCopyEditor"/>
+			<resource resourceType="PROJECT" workspacePath="/XmlCopyEditor"/>
 	</storageModule>
 </cproject>
diff --git a/src/housestyle.cpp b/src/housestyle.cpp
index aa25904..afe56c2 100755
--- a/src/housestyle.cpp
+++ b/src/housestyle.cpp
@@ -146,7 +146,7 @@ void HouseStyle::collectRules ( string& fileName,
 		if ( report != "" )
 			throw runtime_error ( report.c_str() );
 		else
-			throw runtime_error ( xrr->getLastError().c_str() );
+			throw runtime_error ( ( const char * ) xrr->getLastError().utf8_str() );
 	}
 
 	// add current file to exclude set
diff --git a/src/mynotebook.cpp b/src/mynotebook.cpp
index 796efd6..7d0909e 100755
--- a/src/mynotebook.cpp
+++ b/src/mynotebook.cpp
@@ -39,7 +39,7 @@ MyNotebook::MyNotebook (
 {
 	rightClickPage = -1;
 
-	wxApp::GetInstance()->Connect ( wxEVT_KEY_DOWN,
+	wxTheApp->Connect ( wxEVT_KEY_DOWN,
 	    wxKeyEventHandler ( MyNotebook::OnKeyDown ), NULL, this );
 }
 
@@ -125,7 +125,8 @@ void MyNotebook::OnKeyDown ( wxKeyEvent &event )
 
 	AdvanceSelection ( !event.m_shiftDown );
 
-	XmlDoc *doc = ( XmlDoc * ) GetCurrentPage();
+	int cur = GetSelection();
+	XmlDoc *doc = ( XmlDoc * ) GetPage ( cur );
 	if ( doc != NULL )
 		doc->SetFocus();
 }
diff --git a/src/mypropertysheet.cpp b/src/mypropertysheet.cpp
index 27b1c30..4099c28 100755
--- a/src/mypropertysheet.cpp
+++ b/src/mypropertysheet.cpp
@@ -41,6 +41,7 @@ MyPropertySheet::MyPropertySheet (
     bool expandInternalEntitiesParameter,
     bool showFullPathOnFrameParameter,
     int lang,
+    const wxArrayString &translations,
     wxWindowID id,
     wxString title,
     const wxPoint& position,
@@ -165,24 +166,19 @@ MyPropertySheet::MyPropertySheet (
 	    generalPanel,
 	    wxID_ANY );
 
-	wxTranslations *t = wxTranslations::Get();
-	if ( t != NULL )
+	int index;
+	const wxLanguageInfo *info;
+	wxArrayString::const_iterator trans = translations.begin();
+	for ( ; trans != translations.end(); trans++ )
 	{
-		int index;
-		const wxLanguageInfo *info;
-		wxArrayString langs = t->GetAvailableTranslations ( _T ( "messages" ) );
-		for ( size_t i = 0; i < langs.Count(); i++ )
-		{
-			info = wxLocale::FindLanguageInfo ( langs[i] );
-			if ( info == NULL ) continue;
+		info = wxLocale::FindLanguageInfo ( *trans );
+		if ( info == NULL ) continue;
 
-			index = languageBox->Append ( info->Description, (void*)info->Language );
-			if (lang == info->Language)
-				languageBox->SetSelection ( index );
-		}
+		index = languageBox->Append ( info->Description, (void*)info->Language );
+		if (lang == info->Language)
+			languageBox->SetSelection ( index );
 	}
 
-
 	libxmlNetAccessBox = new wxCheckBox (
 	    generalPanel, wxID_ANY, _ ( "&Enable network access for DTD validation" ) );
 	libxmlNetAccessBox->SetValue ( libxmlNetAccessParameter );
diff --git a/src/mypropertysheet.h b/src/mypropertysheet.h
index 687fc32..8c0103a 100755
--- a/src/mypropertysheet.h
+++ b/src/mypropertysheet.h
@@ -47,6 +47,7 @@ class MyPropertySheet : public wxPropertySheetDialog
 		    bool expandInternalEntities,
 		    bool showFullPathOnFrame,
 		    int lang,
+		    const wxArrayString &translations,
 		    wxWindowID id = wxID_ANY,
 		    wxString title = _T ( "" ),
 		    const wxPoint& position = wxDefaultPosition,
diff --git a/src/validationthread.cpp b/src/validationthread.cpp
index 02bef58..b6a370c 100644
--- a/src/validationthread.cpp
+++ b/src/validationthread.cpp
@@ -6,7 +6,7 @@
 #include <memory>
 
 
-wxDEFINE_EVENT(wxEVT_COMMAND_VALIDATION_COMPLETED, wxThreadEvent);
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_VALIDATION_COMPLETED);
 
 ValidationThread::ValidationThread (
 	wxEvtHandler *handler,
@@ -67,8 +67,8 @@ void *ValidationThread::Entry()
 		myMessage = validator->getLastError();
 	}
 
-	wxEvent *event = new wxThreadEvent(wxEVT_THREAD, wxEVT_COMMAND_VALIDATION_COMPLETED);
-	wxQueueEvent ( myEventHandler, event );
+	wxCommandEvent event ( wxEVT_COMMAND_VALIDATION_COMPLETED );
+	wxPostEvent ( myEventHandler, event );
 
 	return NULL;
 }
diff --git a/src/validationthread.h b/src/validationthread.h
index 4e53fe6..2d0adf1 100644
--- a/src/validationthread.h
+++ b/src/validationthread.h
@@ -6,7 +6,7 @@
 #include <string>
 #include <wx/thread.h>
 
-wxDECLARE_EVENT(wxEVT_COMMAND_VALIDATION_COMPLETED, wxThreadEvent);
+DECLARE_EVENT_TYPE(wxEVT_COMMAND_VALIDATION_COMPLETED, wxID_ANY);
 
 class ValidationThread : public wxThread
 {
diff --git a/src/wrapdaisy.cpp b/src/wrapdaisy.cpp
index 1cc7218..c12f717 100755
--- a/src/wrapdaisy.cpp
+++ b/src/wrapdaisy.cpp
@@ -173,8 +173,7 @@ bool WrapDaisy::run (
     	if ( !xsp->parse ( output.c_str() ) )
     	{
             frame->newDocument ( output );
-            std::string stdError = xsp->getLastError();
-            error = wxString ( stdError.c_str(), wxConvUTF8, stdError.size() );
+            error = xsp->getLastError();
             return false;
         }
         output = xsp->getBuffer();
@@ -200,8 +199,7 @@ bool WrapDaisy::run (
     	if ( !xp->parse ( output.c_str() ) )
     	{
             frame->newDocument ( output );
-            std::string stdError = xp->getLastError();
-            error = wxString ( stdError.c_str(), wxConvUTF8, stdError.size() );
+            error = xp->getLastError();
             return false;
         }
         output = xp->getBuffer();
@@ -289,8 +287,7 @@ bool WrapDaisy::run (
 	if ( !xci->parse ( output.c_str() ) )
 	{
         frame->newDocument ( output );
-        std::string stdError = xci->getLastError();
-        error = wxString ( stdError.c_str(), wxConvUTF8, stdError.size() );
+        error = xci->getLastError();
         return false;
     }
     output = xci->getBuffer();
@@ -301,7 +298,7 @@ bool WrapDaisy::run (
     std::ofstream canonicalStream ( stdCanonicalFile.c_str() );//canonicalFile.name().c_str() );
     if ( !canonicalStream )
     {
-        error = _T( "Cannot write canonical XHTML file" );
+        error = _ ( "Cannot write canonical XHTML file" );
         return false;   
     }
     canonicalStream << output.c_str() << std::endl;
@@ -316,9 +313,9 @@ bool WrapDaisy::run (
     while (wxTheApp->Pending())
         wxTheApp->Dispatch();
 
-    if ( !pd->Update ( 40, _T("Preparing DTBook...") ) )
+    if ( !pd->Update ( 40, _ ("Preparing DTBook...") ) )
     {
-        error = _T ( "Cancelled" );
+        error = _ ( "Cancelled" );
         return false;   
     }
 
diff --git a/src/wrapexpat.cpp b/src/wrapexpat.cpp
index bfaa2ea..06ad740 100755
--- a/src/wrapexpat.cpp
+++ b/src/wrapexpat.cpp
@@ -68,17 +68,17 @@ pair<int, int> WrapExpat::getErrorPosition()
 	           XML_GetCurrentColumnNumber ( p ) );
 }
 
-string WrapExpat::getLastError()
+wxString WrapExpat::getLastError()
 {
 	if ( !p )
-		return "Unable to create parser instance";
+		return _ ( "Unable to create parser instance" );
 
 	stringstream ss;
 	ss << "Error at line ";
 	ss << XML_GetCurrentLineNumber ( p );
 	ss << ", column " << XML_GetCurrentColumnNumber ( p ) + 1 << ":" << endl;
 	ss << XML_ErrorString ( XML_GetErrorCode ( p ) );
-	return ss.str();
+	return wxString ( ss.str().c_str(), wxConvUTF8 );
 }
 
 string WrapExpat::xmliseTextNode ( const string &textnode )
diff --git a/src/wrapexpat.h b/src/wrapexpat.h
index 36483fc..039b480 100755
--- a/src/wrapexpat.h
+++ b/src/wrapexpat.h
@@ -20,6 +20,7 @@
 #ifndef WRAP_EXPAT
 #define WRAP_EXPAT
 
+#include <wx/wx.h>
 #include <expat.h>
 #include <string>
 #include <vector>
@@ -36,7 +37,7 @@ class WrapExpat
 		bool parse ( const string &buffer, bool isFinal = true );
 		bool parse ( const char *buffer, size_t size, bool isFinal = true );
 		pair<int, int> getErrorPosition();
-		string getLastError();
+		wxString getLastError();
 		bool isEncodingError();
 		static string xmliseTextNode ( const string &textnode );
 		static string xmliseAttribute ( const string &attribute );
diff --git a/src/wrapxerces.cpp b/src/wrapxerces.cpp
index 5e20611..d578ffd 100755
--- a/src/wrapxerces.cpp
+++ b/src/wrapxerces.cpp
@@ -96,7 +96,7 @@ bool WrapXerces::validate ( const std::string& fileName )
 		delete parser;
 		lastError << _T ( "Validation stopped at line " )
 		    << e.getLineNumber() << _T ( ", column " ) << e.getColumnNumber()
-		    << ": " << toString ( e.getMessage() );
+		    << _T ( ": " ) << toString ( e.getMessage() );
 		errorPosition = std::make_pair ( e.getLineNumber(), e.getColumnNumber() );
 		return false;
 	}
diff --git a/src/xmlcopyeditor.cpp b/src/xmlcopyeditor.cpp
index 4d0068f..a1845bb 100755
--- a/src/xmlcopyeditor.cpp
+++ b/src/xmlcopyeditor.cpp
@@ -58,6 +58,8 @@
 #include <wx/stockitem.h>
 #include <iconv.h>
 #include <wx/stdpaths.h>
+#include <wx/tokenzr.h>
+#include <wx/dir.h>
 
 #define ngettext wxGetTranslation
 
@@ -301,14 +303,23 @@ MyApp::MyApp() : checker ( NULL ), server ( NULL ), connection ( NULL ),
 	}
 
 	myLocale.Init ( lang, wxLOCALE_LOAD_DEFAULT );
-	wxLocale::AddCatalogLookupPathPrefix ( wxT ( "." ) );
-	wxLocale::AddCatalogLookupPathPrefix ( wxT ( ".." ) );
 
+	wxArrayString prefixes;
+#ifdef __WXGTK__
+	prefixes.Add ( wxT ( "/usr/share/locale" ) );
+	prefixes.Add ( wxT ( "/usr/local/share/locale" ) );
+#endif
 	wxString poDir = wxStandardPaths::Get().GetDataDir() +
 	        wxFileName::GetPathSeparator() + _T ( "po" ) + wxFileName::GetPathSeparator();
-	wxLocale::AddCatalogLookupPathPrefix ( poDir );
+	prefixes.Add ( poDir );
+	wxArrayString::const_iterator itr;
+	for ( itr = prefixes.begin(); itr != prefixes.end(); itr++ )
+		wxLocale::AddCatalogLookupPathPrefix ( *itr );
 
-	if ( !myLocale.AddCatalog ( _T ( "messages" ) ) )
+	wxString catalog = _T ( "messages" );
+	getAvailableTranslations ( &prefixes, &catalog );
+
+	if ( !myLocale.AddCatalog ( catalog ) )
 		;
 
 #ifndef __WXMSW__
@@ -328,7 +339,6 @@ MyApp::~MyApp()
 
 bool MyApp::OnInit()
 {
-
 	wxString name, service, hostName;
 	name.Printf ( _T ( "xmlcopyeditor-%s" ), wxGetUserId().c_str() );
 	service = IPC_SERVICE;
@@ -347,14 +357,8 @@ bool MyApp::OnInit()
 				break;
 			else
 			{
-				wxString argument, what;
-				wxChar *whatBuffer;
-				what = _T ( "Data" );
-#if wxCHECK_VERSION(2,9,0)
-				whatBuffer = (wxChar *)what.wchar_str();
-#else
-				whatBuffer = (wxChar *)what.c_str();
-#endif
+				wxString argument;
+				wxChar whatBuffer[] = _T ( "Data" );
 				if ( this->argc > 1 )
 				{
 					for ( int i = 1; i < this->argc; i++ )
@@ -403,7 +407,7 @@ bool MyApp::OnInit()
 	catch ( const XMLException &e )
 	{
 		wxString error;
-		error << _ ( "Failed to initialize Xerces-c:\n" )
+		error << _ ( "Failed to initialize Xerces-C:\n" )
 		    << WrapXerces::toString ( e.getMessage() );
 		wxMessageBox ( error, _ ( "Error" ), wxOK | wxICON_ERROR );
 		return false;
@@ -568,6 +572,66 @@ void MyApp::HandleEvent ( wxEvtHandler *handler, wxEventFunction func, wxEvent&
 }
 #endif
 
+const wxArrayString &MyApp::getAvailableTranslations (
+    const wxArrayString *catalogLookupPathPrefixes /*= NULL*/,
+    const wxString *catalog /*= NULL*/ )
+{
+	static class Translations // Most of the code was copied from wxTranslations
+	{
+	public:
+		Translations ( const wxArrayString *catalogLookupPathPrefixes,
+		    const wxString *catalog )
+		{
+			if ( catalogLookupPathPrefixes == NULL )
+				throw std::invalid_argument ( "catalogLookupPathPrefixes" );
+			if ( catalog == NULL )
+				throw std::invalid_argument ( "catelog" );
+
+#if wxCHECK_VERSION(2,9,0)
+			wxTranslations *t = wxTranslations::Get();
+			if ( t != NULL )
+				translations = t->GetAvailableTranslations ( *catalog );
+#else
+			wxArrayString::const_iterator i = catalogLookupPathPrefixes->begin();
+			for ( i = catalogLookupPathPrefixes->begin();
+			    i != catalogLookupPathPrefixes->end(); ++i )
+			{
+				if ( i->empty() )
+					continue;
+
+				wxDir dir;
+				if ( !dir.Open(*i) )
+					continue;
+
+				wxString lang;
+				for ( bool ok = dir.GetFirst ( &lang, wxEmptyString, wxDIR_DIRS ); ok;
+						ok = dir.GetNext (&lang) ) {
+					const wxString langdir = *i + wxFILE_SEP_PATH + lang;
+					if ( HasMsgCatalogInDir ( langdir, *catalog ) ) {
+#ifdef __WXOSX__
+						wxString rest;
+						if ( lang.EndsWith(".lproj", &rest) )
+						lang = rest;
+#endif // __WXOSX__
+						translations.push_back(lang);
+					}
+				}
+			}
+#endif
+		}
+		bool HasMsgCatalogInDir ( const wxString &dir, const wxString &catelog )
+		{
+			return wxFileName ( dir, catelog, _T ( "mo" ) ).FileExists()
+				|| wxFileName ( dir + wxFILE_SEP_PATH + _T ( "LC_MESSAGES" ), catelog, _T ( "mo" ) ).FileExists();
+		}
+		const wxArrayString &operator()() { return translations; }
+	protected:
+		wxArrayString translations;
+	} translations ( catalogLookupPathPrefixes, catalog );
+
+	return translations();
+}
+
 MyFrame::MyFrame (
     const wxString& title,
     wxFileConfig *configParameter,
@@ -2509,6 +2573,7 @@ void MyFrame::OnOptions ( wxCommandEvent& WXUNUSED ( event ) )
 #else
 	( _ ( "Preferences" ) );
 #endif
+	MyApp *app = ( MyApp * ) wxTheApp;
 	std::auto_ptr<MyPropertySheet> mpsd ( new MyPropertySheet (
 	                                          this,
 	                                          properties,
@@ -2522,6 +2587,7 @@ void MyFrame::OnOptions ( wxCommandEvent& WXUNUSED ( event ) )
 	                                          expandInternalEntities,
 	                                          showFullPathOnFrame,
 	                                          lang,
+	                                          app->getAvailableTranslations(),
 	                                          wxID_ANY,
 	                                          title ) );
 	if ( mpsd->ShowModal() == wxID_OK )
@@ -2859,10 +2925,11 @@ void MyFrame::newDocument ( const std::string& s, const std::string& path, bool
 	          catalogUtilityPath,
 	          path,
 	          auxPath );
-	mainBook->AddPage ( ( wxWindow * ) doc, documentLabel, true );
+	mainBook->AddPage ( ( wxWindow * ) doc, documentLabel );
 	Thaw();
 
-	mainBook->Refresh();
+	mainBook->Layout();
+
 	if ( properties.completion )
 		doc->updatePromptMaps();
 	doc->setShortFileName ( documentLabel );
@@ -2915,9 +2982,12 @@ void MyFrame::OnOpen ( wxCommandEvent& event )
 	size_t count = paths.Count();
 	if ( !count )
 		return;
+	Freeze();
 	for ( size_t i = 0; i < count; ++i )
 		if ( !openFile ( paths[i], largeFile ) )
 			break;
+	Thaw();
+	mainBook->Layout();
 }
 
 bool MyFrame::openFile ( wxString& fileName, bool largeFile )
@@ -3186,7 +3256,7 @@ bool MyFrame::openFile ( wxString& fileName, bool largeFile )
 	Thaw();
 	statusProgress ( wxEmptyString );
 
-	mainBook->Refresh();
+	mainBook->Layout();
 
 	wxFileName fn ( fileName );
 	doc->setLastModified ( fn.GetModificationTime() );
@@ -3247,11 +3317,9 @@ bool MyFrame::openFile ( wxString& fileName, bool largeFile )
 
 	if ( !optimisedParseSuccess )
 	{
-		std::string error = we->getLastError();
-		wideError = wxString ( error.c_str(), wxConvUTF8, error.size() );
 		posPair = we->getErrorPosition();
 		-- ( posPair.first );
-		messagePane ( wideError, CONST_WARNING );
+		messagePane ( we->getLastError(), CONST_WARNING );
 
 		int newPosition = doc->PositionFromLine ( posPair.first );
 		doc->SetSelection ( newPosition, newPosition );
@@ -5250,7 +5318,7 @@ wxMenuBar *MyFrame::getMenuBar()
 	    _ ( "&Spelling...\tF7" ),
 	    _ ( "Spelling..." ) );
 	spellingItem->SetBitmap ( spelling16Bitmap );
-	
+
 	wxMenuItem *styleItem = 
 	    new wxMenuItem (
 	    NULL,
@@ -5267,6 +5335,7 @@ wxMenuBar *MyFrame::getMenuBar()
 	    _ ( "Word Count" ) );
 	wordCountItem->SetBitmap ( wxNullBitmap );
 
+
 	wxMenuItem *commandItem =
 	    new wxMenuItem (
 	    NULL,
@@ -5300,6 +5369,8 @@ wxMenuBar *MyFrame::getMenuBar()
 	    new wxMenuItem ( NULL, wxID_HELP,
 	                     _ ( "&XML Copy Editor Help\tF1" ), _ ( "Help" ) );
 	helpItem->SetBitmap ( helpBitmap );
+
+
 	wxMenuItem *homeItem =
 	    new wxMenuItem ( NULL, ID_HOME,
 	                     _ ( "&Home Page" ), _ ( "Home Page" ) );
@@ -5316,6 +5387,7 @@ wxMenuBar *MyFrame::getMenuBar()
 	                     _ ( "&Browse Source" ), _ ( "Browse Source" ) );
 	downloadSourceItem->SetBitmap ( wxNullBitmap );
 	helpMenu->Append ( helpItem );
+
 	helpMenu->AppendSeparator();
 	helpMenu->Append ( homeItem );
 	helpMenu->Append ( feedbackItem );
@@ -5364,7 +5436,6 @@ void MyFrame::updateFileMenu ( bool deleteExisting )
 	wxMenuItem *saveItem =
 	    new wxMenuItem ( NULL, wxID_SAVE, _ ( "&Save\tCtrl+S" ), _ ( "Save" ) );
 	saveItem->SetBitmap ( save16Bitmap );
-
 	wxMenuItem *saveAsItem =
 	    new wxMenuItem ( NULL, wxID_SAVEAS, _ ( "S&ave As...\tF12" ), _ ( "Save As..." ) );
 	saveAsItem->SetBitmap ( wxNullBitmap );
@@ -5423,6 +5494,7 @@ void MyFrame::updateFileMenu ( bool deleteExisting )
 	fileMenu->Append ( exportMSWordItem );
 #endif
 	history.AddFilesToMenu ( fileMenu );
+
 	fileMenu->AppendSeparator();
 	fileMenu->Append ( exitItem );
 }
@@ -5808,7 +5880,7 @@ void MyFrame::OnAssociate ( wxCommandEvent& event )
 		message.Printf (
 		    _ ( "Cannot associate %s: %s" ),
 		    type.c_str(),
-		    wellformedparser->getLastError() );
+		    wellformedparser->getLastError().c_str() );
 		messagePane ( message, CONST_STOP );
 		return;
 	}
@@ -5907,18 +5979,19 @@ void MyFrame::OnAssociate ( wxCommandEvent& event )
 
 void MyFrame::openRememberedTabs()
 {
-	if ( openTabsOnClose.empty() )
-		return;
-	wxArrayString v = wxSplit ( openTabsOnClose, _T ( '|' ) );
-	if ( v.empty() )
-		return;
+	Freeze();
 
-	wxArrayString::iterator vit;
-	for ( vit = v.begin(); vit != v.end(); vit++ )
+	wxStringTokenizer files ( openTabsOnClose, _T ( "|" ) );
+	while ( files.HasMoreTokens() )
 	{
-		if ( vit->IsEmpty() || !openFile ( *vit ) )
+		wxString file = files.GetNextToken();
+		if ( file.IsEmpty() || !openFile ( file ) )
 			continue; //break; // Ignore errors
 	}
+
+	Thaw();
+	mainBook->Layout();
+
 	XmlDoc *doc;
 	if ( ( doc = getActiveDocument() ) != NULL )
 		doc->SetFocus();
@@ -5948,11 +6021,8 @@ void MyFrame::OnWordCount ( wxCommandEvent& event )
 	wxString msg;
 	if ( !xwc->parse ( buffer.c_str() ) )
 	{
-		std::string error = xwc->getLastError();
-		wxString werror = wxString ( error.c_str(), wxConvUTF8, error.size() );
 		statusProgress ( wxEmptyString );
-
-		msg.Printf ( _ ( "Cannot count words: %s" ), werror.c_str() );
+		msg.Printf ( _ ( "Cannot count words: %s" ), xwc->getLastError().c_str() );
 		messagePane ( msg, CONST_STOP );
 		return;
 	}
diff --git a/src/xmlcopyeditor.h b/src/xmlcopyeditor.h
index b3ae5c7..50338f8 100755
--- a/src/xmlcopyeditor.h
+++ b/src/xmlcopyeditor.h
@@ -176,6 +176,9 @@ class MyApp : public wxApp
 #ifndef __WXMSW__
 		virtual void HandleEvent ( wxEvtHandler *handler, wxEventFunction func, wxEvent& event ) const;
 #endif
+		const wxArrayString &getAvailableTranslations (
+		    const wxArrayString *catalogLookupPathPrefixes = NULL,
+		    const wxString *catelog = NULL );
 	protected:
 		wxLocale myLocale;
 	private:
diff --git a/src/xmlcopyeditorcopy.h b/src/xmlcopyeditorcopy.h
index 2caeb7a..bbdc5c5 100755
--- a/src/xmlcopyeditorcopy.h
+++ b/src/xmlcopyeditorcopy.h
@@ -23,7 +23,11 @@
 #else
 #define FILE_FILTER _("All files (*)|*|XML (*.xml)|*.xml|XHTML (*.html)|*.html|DTD (*.dtd)|*.dtd|XML Schema (*.xsd)|*.xsd|RELAX NG grammar (*.rng)|*.rng|XSL (*.xsl)|*.xsl")
 #endif
+#if wxCHECK_VERSION(2,9,0)
 #define ABOUT_COPYRIGHT _(_T("Copyright © 2005-2009 Gerald Schmidt <gnschmidt@users.sourceforge.net>"))
+#else
+#define ABOUT_COPYRIGHT _("Copyright © 2005-2009 Gerald Schmidt <gnschmidt@users.sourceforge.net>")
+#endif
 #define ABOUT_DESCRIPTION _("\nXML Copy Editor is free software released under the GNU\nGeneral Public License.\n\nMany thanks are due to ")
 #define ABOUT_CONTRIBUTORS _T(\
 "Tim van Niekerk, Matt Smigielski,\n"\
diff --git a/src/xmlctrl.cpp b/src/xmlctrl.cpp
index 8769dd9..0bc8c4f 100755
--- a/src/xmlctrl.cpp
+++ b/src/xmlctrl.cpp
@@ -40,7 +40,7 @@ BEGIN_EVENT_TABLE ( XmlCtrl, wxStyledTextCtrl )
 	EVT_LEFT_UP ( XmlCtrl::OnMouseLeftUp )
 	EVT_RIGHT_UP ( XmlCtrl::OnMouseRightUp )
 	EVT_MIDDLE_DOWN ( XmlCtrl::OnMiddleDown )
-	EVT_THREAD(wxEVT_COMMAND_VALIDATION_COMPLETED, XmlCtrl::OnValidationCompleted)
+	EVT_COMMAND(wxID_ANY, wxEVT_COMMAND_VALIDATION_COMPLETED, XmlCtrl::OnValidationCompleted)
 END_EVENT_TABLE()
 
 // global protection for validation threads
@@ -94,7 +94,11 @@ XmlCtrl::XmlCtrl (
 		bufferLen = strlen ( DEFAULT_XML_DECLARATION_UTF8 );
 	}
 
+#if wxCHECK_VERSION(2,9,0)
 	AddTextRaw ( buffer, bufferLen );
+#else
+	SendMsg ( 2001, bufferLen, ( long ) ( const char * ) buffer );
+#endif
 
 	SetSelection ( 0, 0 );
 
@@ -164,7 +168,7 @@ void XmlCtrl::OnIdle ( wxIdleEvent& event )
 		adjustNoColumnWidth(); // exits if unchanged
 }
 
-void XmlCtrl::OnValidationCompleted ( wxThreadEvent &event )
+void XmlCtrl::OnValidationCompleted ( wxCommandEvent &event )
 {
 	wxCriticalSectionLocker locker ( xmlcopyeditorCriticalSection );
 
@@ -472,12 +476,7 @@ void XmlCtrl::handleOpenAngleBracket ( wxKeyEvent& event )
 	if ( parentCloseAngleBracket < 0 )
 		return;
 
-	wxString wideParent = getLastElementName ( parentCloseAngleBracket );
-	if ( wideParent.empty() )
-		return;
-
-	std::string parent = ( const char * ) wideParent.mb_str ( wxConvUTF8 );
-
+	wxString parent = getLastElementName ( parentCloseAngleBracket );
 	if ( elementMap.find ( parent ) == elementMap.end() )
 		return;
 
diff --git a/src/xmlctrl.h b/src/xmlctrl.h
index fcfbdbc..54dd649 100755
--- a/src/xmlctrl.h
+++ b/src/xmlctrl.h
@@ -185,7 +185,7 @@ class XmlCtrl: public wxStyledTextCtrl
 		void OnMarginClick ( wxStyledTextEvent& event );
 		void OnChar ( wxKeyEvent& event );
 		void OnIdle ( wxIdleEvent& event );
-		void OnValidationCompleted (wxThreadEvent &event);
+		void OnValidationCompleted (wxCommandEvent &event);
 		void OnKeyPressed ( wxKeyEvent& event );
 		void OnMouseLeftDown ( wxMouseEvent& event );
 		void OnMouseLeftUp ( wxMouseEvent& event );
diff --git a/src/xmlpromptgenerator.cpp b/src/xmlpromptgenerator.cpp
index 75687bf..6758a01 100755
--- a/src/xmlpromptgenerator.cpp
+++ b/src/xmlpromptgenerator.cpp
@@ -261,7 +261,9 @@ void XMLCALL XmlPromptGenerator::attlistdeclhandler (
 	PromptGeneratorData *d;
 	d = ( PromptGeneratorData * ) data;
 
-	std::set<wxString> &attributeValues = d->attributeMap[elname][attname];
+	wxString element ( elname, wxConvUTF8 );
+	wxString attribute ( attname, wxConvUTF8 );
+	std::set<wxString> &attributeValues = d->attributeMap[element][attribute];
 	if ( *att_type == '(' ) // change to exclude _known_ identifiers?
 	{
 		const char *s, *word;
@@ -283,7 +285,7 @@ void XMLCALL XmlPromptGenerator::attlistdeclhandler (
 
 	if ( isrequired )
 	{
-		d->requiredAttributeMap[elname].insert ( wxString ( attname, wxConvUTF8 ) );
+		d->requiredAttributeMap[element].insert ( attribute );
 	}
 }
 
diff --git a/src/xmlshallowvalidator.cpp b/src/xmlshallowvalidator.cpp
index 24b2dc1..3f26244 100755
--- a/src/xmlshallowvalidator.cpp
+++ b/src/xmlshallowvalidator.cpp
@@ -145,9 +145,9 @@ void XMLCALL XmlShallowValidator::skippedentity (
 {
 	if ( is_parameter_entity )
 		return;
-	XmlShallowValidatorData *vd;
-	vd = ( XmlShallowValidatorData * ) data;
-	if ( vd->entitySet.find ( entityName ) != vd->entitySet.end() )
+	XmlShallowValidatorData *vd = ( XmlShallowValidatorData * ) data;
+	wxString entity ( entityName, wxConvUTF8 );
+	if ( vd->entitySet.find ( entity ) != vd->entitySet.end() )
 		return;
 	
 	vd->isValid = false;