Merge remote branch 'origin/4.7' into qt-master-from-4.7

Conflicts:
	bin/syncqt
	demos/declarative/snake/content/snake.js
	demos/declarative/snake/snake.qml
	doc/src/development/qmake-manual.qdoc
	src/corelib/plugin/plugin.pri
	src/gui/kernel/qapplication_win.cpp
	src/gui/kernel/qdesktopwidget_win.cpp
	src/gui/painting/qdrawhelper.cpp
	tests/auto/qdir/tst_qdir.cpp
	tools/qdoc3/test/assistant.qdocconf
	tools/qdoc3/test/designer.qdocconf
	tools/qdoc3/test/linguist.qdocconf

14 files changed, 419 insertions, 160 deletions

diff --git a/tools/linguist/lconvert/main.cpp b/tools/linguist/lconvert/main.cpp
index 094406c..d691548 100644
--- a/tools/linguist/lconvert/main.cpp
+++ b/tools/linguist/lconvert/main.cpp
@@ -45,11 +45,17 @@
 #include <QtCore/QDebug>
 #include <QtCore/QString>
 #include <QtCore/QStringList>
+#include <QtCore/QTranslator>
+#include <QtCore/QLibraryInfo>
 
 #include <iostream>
 
 QT_USE_NAMESPACE
 
+class LC {
+    Q_DECLARE_TR_FUNCTIONS(LConvert)
+};
+
 static int usage(const QStringList &args)
 {
     Q_UNUSED(args);
@@ -59,7 +65,7 @@ static int usage(const QStringList &args)
     foreach (Translator::FileFormat format, Translator::registeredFileFormats())
         loaders += line.arg(format.extension, -5).arg(format.description);
 
-    std::cerr << qPrintable(QString(QLatin1String("\nUsage:\n"
+    std::cerr << qPrintable(LC::tr("\nUsage:\n"
         "    lconvert [options] <infile> [<infile>...]\n\n"
         "lconvert is part of Qt's Linguist tool chain. It can be used as a\n"
         "stand-alone tool to convert and filter translation data files.\n"
@@ -121,7 +127,7 @@ static int usage(const QStringList &args)
         "    0 on success\n"
         "    1 on command line parse failures\n"
         "    2 on read failures\n"
-        "    3 on write failures\n")).arg(loaders));
+        "    3 on write failures\n").arg(loaders));
     return 1;
 }
 
@@ -134,8 +140,17 @@ struct File
 int main(int argc, char *argv[])
 {
     QCoreApplication app(argc, argv);
-    QStringList args = app.arguments();
+    QTranslator translator;
+    QTranslator qtTranslator;
+    QString sysLocale = QLocale::system().name();
+    QString resourceDir = QLibraryInfo::location(QLibraryInfo::TranslationsPath);
+    if (translator.load(QLatin1String("linguist_") + sysLocale, resourceDir)
+        && qtTranslator.load(QLatin1String("qt_") + sysLocale, resourceDir)) {
+        app.installTranslator(&translator);
+        app.installTranslator(&qtTranslator);
+    }
 
+    QStringList args = app.arguments();
     QList<File> inFiles;
     QString inFormat(QLatin1String("auto"));
     QString outFileName;
diff --git a/tools/linguist/linguist/mainwindow.cpp b/tools/linguist/linguist/mainwindow.cpp
index 5d48942..efdf9ef 100644
--- a/tools/linguist/linguist/mainwindow.cpp
+++ b/tools/linguist/linguist/mainwindow.cpp
@@ -1030,6 +1030,8 @@ void MainWindow::findAgain()
                             break;
                         if (searchItem(m->extraComment()))
                             break;
+                        if (searchItem(m->translatorComment()))
+                            break;
                         m_foundWhere = DataModel::NoLocation;
                         // did not find the search string in this message
                     }
diff --git a/tools/linguist/linguist/phrase.cpp b/tools/linguist/linguist/phrase.cpp
index 254daf4..709ec35 100644
--- a/tools/linguist/linguist/phrase.cpp
+++ b/tools/linguist/linguist/phrase.cpp
@@ -188,10 +188,9 @@ bool QphHandler::characters(const QString &ch)
 bool QphHandler::fatalError(const QXmlParseException &exception)
 {
     if (ferrorCount++ == 0) {
-        QString msg;
-        msg.sprintf("Parse error at line %d, column %d (%s).",
-            exception.lineNumber(), exception.columnNumber(),
-            exception.message().toLatin1().constData());
+        QString msg = PhraseBook::tr("Parse error at line %1, column %2 (%3).")
+            .arg(exception.lineNumber()).arg(exception.columnNumber())
+            .arg(exception.message());
         QMessageBox::information(0,
             QObject::tr("Qt Linguist"), msg);
     }
diff --git a/tools/linguist/lrelease/main.cpp b/tools/linguist/lrelease/main.cpp
index b5cff90..19377ef 100644
--- a/tools/linguist/lrelease/main.cpp
+++ b/tools/linguist/lrelease/main.cpp
@@ -65,6 +65,17 @@ static void initBinaryDir(
         const char *argv0
 #endif
         );
+
+struct LR {
+    static inline QString tr(const char *sourceText, const char *comment = 0)
+    {
+        return QCoreApplication::translate("LRelease", sourceText, comment);
+    }
+};
+#else
+class LR {
+    Q_DECLARE_TR_FUNCTIONS(LRelease)
+};
 #endif
 
 static void printOut(const QString & out)
@@ -75,7 +86,7 @@ static void printOut(const QString & out)
 
 static void printUsage()
 {
-    printOut(QCoreApplication::tr(
+    printOut(LR::tr(
         "Usage:\n"
         "    lrelease [options] project-file\n"
         "    lrelease [options] ts-files [-qm qm-file]\n\n"
@@ -108,7 +119,7 @@ static bool loadTsFile(Translator &tor, const QString &tsFileName, bool /* verbo
     ConversionData cd;
     bool ok = tor.load(tsFileName, cd, QLatin1String("auto"));
     if (!ok) {
-        std::cerr << "lrelease error: " << qPrintable(cd.error());
+        std::cerr << qPrintable(LR::tr("lrelease error: %1").arg(cd.error()));
     } else {
         if (!cd.errors().isEmpty())
             printOut(cd.error());
@@ -123,17 +134,17 @@ static bool releaseTranslator(Translator &tor, const QString &qmFileName,
     tor.reportDuplicates(tor.resolveDuplicates(), qmFileName, cd.isVerbose());
 
     if (cd.isVerbose())
-        printOut(QCoreApplication::tr( "Updating '%1'...\n").arg(qmFileName));
+        printOut(LR::tr("Updating '%1'...\n").arg(qmFileName));
     if (removeIdentical) {
         if (cd.isVerbose())
-            printOut(QCoreApplication::tr( "Removing translations equal to source text in '%1'...\n").arg(qmFileName));
+            printOut(LR::tr("Removing translations equal to source text in '%1'...\n").arg(qmFileName));
         tor.stripIdenticalSourceTranslations();
     }
 
     QFile file(qmFileName);
     if (!file.open(QIODevice::WriteOnly)) {
-        std::cerr << "lrelease error: cannot create '" << qPrintable(qmFileName)
-                  << "': " << qPrintable(file.errorString()) << std::endl;
+        std::cerr << qPrintable(LR::tr("lrelease error: cannot create '%1': %2\n")
+                                .arg(qmFileName, file.errorString()));
         return false;
     }
 
@@ -142,8 +153,8 @@ static bool releaseTranslator(Translator &tor, const QString &qmFileName,
     file.close();
 
     if (!ok) {
-        std::cerr << "lrelease error: cannot save '" << qPrintable(qmFileName)
-                  << "': " << qPrintable(cd.error());
+        std::cerr << qPrintable(LR::tr("lrelease error: cannot save '%1': %2")
+                                .arg(qmFileName, cd.error()));
     } else if (!cd.errors().isEmpty()) {
         printOut(cd.error());
     }
@@ -181,8 +192,14 @@ int main(int argc, char **argv)
 #else
     QCoreApplication app(argc, argv);
     QTranslator translator;
-    if (translator.load(QLatin1String("lrelease_") + QLocale::system().name()))
+    QTranslator qtTranslator;
+    QString sysLocale = QLocale::system().name();
+    QString resourceDir = QLibraryInfo::location(QLibraryInfo::TranslationsPath);
+    if (translator.load(QLatin1String("linguist_") + sysLocale, resourceDir)
+        && qtTranslator.load(QLatin1String("qt_") + sysLocale, resourceDir)) {
         app.installTranslator(&translator);
+        app.installTranslator(&qtTranslator);
+    }
 #endif
 
     ConversionData cd;
@@ -221,7 +238,7 @@ int main(int argc, char **argv)
             cd.m_verbose = true;
             continue;
         } else if (!strcmp(argv[i], "-version")) {
-            printOut(QCoreApplication::tr( "lrelease version %1\n").arg(QLatin1String(QT_VERSION_STR)) );
+            printOut(LR::tr("lrelease version %1\n").arg(QLatin1String(QT_VERSION_STR)));
             return 0;
         } else if (!strcmp(argv[i], "-qm")) {
             if (i == argc - 1) {
@@ -255,20 +272,23 @@ int main(int argc, char **argv)
             visitor.setVerbose(cd.isVerbose());
 
             if (!visitor.queryProFile(&pro)) {
-                std::cerr << "lrelease error: cannot read project file '"
-                          << qPrintable(inputFile) << "'.\n";
+                std::cerr << qPrintable(LR::tr(
+                          "lrelease error: cannot read project file '%1'.\n")
+                          .arg(inputFile));
                 continue;
             }
             if (!visitor.accept(&pro)) {
-                std::cerr << "lrelease error: cannot process project file '"
-                          << qPrintable(inputFile) << "'.\n";
+                std::cerr << qPrintable(LR::tr(
+                          "lrelease error: cannot process project file '%1'.\n")
+                          .arg(inputFile));
                 continue;
             }
 
             QStringList translations = visitor.values(QLatin1String("TRANSLATIONS"));
             if (translations.isEmpty()) {
-                std::cerr << "lrelease warning: Met no 'TRANSLATIONS' entry in project file '"
-                          << qPrintable(inputFile) << "'\n";
+                std::cerr << qPrintable(LR::tr(
+                          "lrelease warning: Met no 'TRANSLATIONS' entry in project file '%1'\n")
+                          .arg(inputFile));
             } else {
                 QDir proDir(fi.absolutePath());
                 foreach (const QString &trans, translations)
diff --git a/tools/linguist/lupdate/cpp.cpp b/tools/linguist/lupdate/cpp.cpp
index bc9bb26..970d44b 100644
--- a/tools/linguist/lupdate/cpp.cpp
+++ b/tools/linguist/lupdate/cpp.cpp
@@ -50,6 +50,7 @@
 #include <QtCore/QString>
 #include <QtCore/QTextCodec>
 #include <QtCore/QTextStream>
+#include <QtCore/QCoreApplication>
 
 #include <iostream>
 
@@ -57,6 +58,10 @@
 
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 /* qmake ignore Q_OBJECT */
 
 static QString MagicComment(QLatin1String("TRANSLATOR"));
@@ -624,8 +629,8 @@ uint CppParser::getToken()
                                 || yyBraceDepth != is.braceDepth1st
                                 || yyParenDepth != is.parenDepth1st)
                                 yyMsg(is.elseLine)
-                                    << "Parenthesis/bracket/brace mismatch between "
-                                       "#if and #else branches; using #if branch\n";
+                                    << qPrintable(LU::tr("Parenthesis/bracket/brace mismatch between "
+                                                         "#if and #else branches; using #if branch\n"));
                         } else {
                             is.bracketDepth1st = yyBracketDepth;
                             is.braceDepth1st = yyBraceDepth;
@@ -647,8 +652,8 @@ uint CppParser::getToken()
                                 || yyBraceDepth != is.braceDepth1st
                                 || yyParenDepth != is.parenDepth1st)
                                 yyMsg(is.elseLine)
-                                    << "Parenthesis/brace mismatch between "
-                                       "#if and #else branches; using #if branch\n";
+                                    << qPrintable(LU::tr("Parenthesis/brace mismatch between "
+                                                         "#if and #else branches; using #if branch\n"));
                             yyBracketDepth = is.bracketDepth1st;
                             yyBraceDepth = is.braceDepth1st;
                             yyParenDepth = is.parenDepth1st;
@@ -674,7 +679,7 @@ uint CppParser::getToken()
                         forever {
                             yyCh = getChar();
                             if (yyCh == EOF) {
-                                yyMsg() << "Unterminated C++ comment\n";
+                                yyMsg() << qPrintable(LU::tr("Unterminated C++ comment\n"));
                                 break;
                             }
 
@@ -804,7 +809,7 @@ uint CppParser::getToken()
                     forever {
                         yyCh = getChar();
                         if (yyCh == EOF) {
-                            yyMsg() << "Unterminated C++ comment\n";
+                            yyMsg() << qPrintable(LU::tr("Unterminated C++ comment\n"));
                             break;
                         }
                         *ptr++ = yyCh;
@@ -837,7 +842,7 @@ uint CppParser::getToken()
                 yyWord.resize(ptr - (ushort *)yyWord.unicode());
 
                 if (yyCh != '"')
-                    yyMsg() << "Unterminated C++ string\n";
+                    yyMsg() << qPrintable(LU::tr("Unterminated C++ string\n"));
                 else
                     yyCh = getChar();
                 return Tok_String;
@@ -894,8 +899,8 @@ uint CppParser::getToken()
                 if (yyBraceDepth == yyMinBraceDepth) {
                     if (!inDefine)
                         yyMsg(yyCurLineNo)
-                            << "Excess closing brace in C++ code"
-                               " (or abuse of the C++ preprocessor)\n";
+                            << qPrintable(LU::tr("Excess closing brace in C++ code"
+                                                 " (or abuse of the C++ preprocessor)\n"));
                     // Avoid things getting messed up even more
                     yyCh = getChar();
                     return Tok_Semicolon;
@@ -912,8 +917,8 @@ uint CppParser::getToken()
             case ')':
                 if (yyParenDepth == 0)
                     yyMsg(yyCurLineNo)
-                        << "Excess closing parenthesis in C++ code"
-                           " (or abuse of the C++ preprocessor)\n";
+                        << qPrintable(LU::tr("Excess closing parenthesis in C++ code"
+                                             " (or abuse of the C++ preprocessor)\n"));
                 else
                     yyParenDepth--;
                 yyCh = getChar();
@@ -927,8 +932,8 @@ uint CppParser::getToken()
             case ']':
                 if (yyBracketDepth == 0)
                     yyMsg(yyCurLineNo)
-                        << "Excess closing bracket in C++ code"
-                           " (or abuse of the C++ preprocessor)\n";
+                        << qPrintable(LU::tr("Excess closing bracket in C++ code"
+                                             " (or abuse of the C++ preprocessor)\n"));
                 else
                     yyBracketDepth--;
                 yyCh = getChar();
@@ -1296,7 +1301,7 @@ void CppParser::processInclude(const QString &file, ConversionData &cd,
     QString cleanFile = QDir::cleanPath(file);
 
     if (inclusions.contains(cleanFile)) {
-        yyMsg() << "circular inclusion of " << qPrintable(cleanFile) << std::endl;
+        yyMsg() << qPrintable(LU::tr("circular inclusion of %1\n").arg(cleanFile));
         return;
     }
 
@@ -1320,9 +1325,7 @@ void CppParser::processInclude(const QString &file, ConversionData &cd,
 
     QFile f(cleanFile);
     if (!f.open(QIODevice::ReadOnly)) {
-        yyMsg()
-            << "Cannot open " << qPrintable(cleanFile) << ": "
-            << qPrintable(f.errorString()) << std::endl;
+        yyMsg() << qPrintable(LU::tr("Cannot open %1: %2\n").arg(cleanFile, f.errorString()));
         return;
     }
 
@@ -1766,7 +1769,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
             if (!tor)
                 goto case_default;
             if (!sourcetext.isEmpty())
-                yyMsg() << "//% cannot be used with tr() / QT_TR_NOOP(). Ignoring\n";
+                yyMsg() << qPrintable(LU::tr("//% cannot be used with tr() / QT_TR_NOOP(). Ignoring\n"));
             utf8 = (yyTok == Tok_trUtf8);
             line = yyLineNo;
             yyTok = getToken();
@@ -1787,9 +1790,8 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
                     QStringList unresolved;
                     if (!fullyQualify(namespaces, pendingContext, true, &functionContext, &unresolved)) {
                         functionContextUnresolved = unresolved.join(strColons);
-                        yyMsg() << "Qualifying with unknown namespace/class "
-                                << qPrintable(stringifyNamespace(functionContext)) << "::"
-                                << qPrintable(unresolved.first()) << std::endl;
+                        yyMsg() << qPrintable(LU::tr("Qualifying with unknown namespace/class %1::%2\n")
+                                              .arg(stringifyNamespace(functionContext)).arg(unresolved.first()));
                     }
                     pendingContext.clear();
                 }
@@ -1797,7 +1799,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
                     if (functionContextUnresolved.isEmpty()) {
                         int idx = functionContext.length();
                         if (idx < 2) {
-                            yyMsg() << "tr() cannot be called without context\n";
+                            yyMsg() << qPrintable(LU::tr("tr() cannot be called without context\n"));
                             break;
                         }
                         Namespace *fctx;
@@ -1806,8 +1808,8 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
                                 context = stringifyNamespace(functionContext);
                                 fctx = findNamespace(functionContext)->classDef;
                                 if (!fctx->complained) {
-                                    yyMsg() << "Class '" << qPrintable(context)
-                                            << "' lacks Q_OBJECT macro\n";
+                                    yyMsg() << qPrintable(LU::tr("Class '%1' lacks Q_OBJECT macro\n")
+                                                         .arg(context));
                                     fctx->complained = true;
                                 }
                                 goto gotctx;
@@ -1835,8 +1837,8 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
                     int last = prefix.lastIndexOf(strColons);
                     QString className = prefix.mid(last == -1 ? 0 : last + 2);
                     if (!className.isEmpty() && className == functionName) {
-                        yyMsg() << "It is not recommended to call tr() from within a constructor '"
-                                << qPrintable(className) << "::" << qPrintable(functionName) << "'\n";
+                        yyMsg() << qPrintable(LU::tr("It is not recommended to call tr() from within a constructor '%1::%2'\n")
+                                .arg(className).arg(functionName));
                     }
 #endif
                     prefix.chop(2);
@@ -1851,7 +1853,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
                             context = fctx->trQualification;
                         }
                         if (!fctx->hasTrFunctions && !fctx->complained) {
-                            yyMsg() << "Class '" << qPrintable(context) << "' lacks Q_OBJECT macro\n";
+                            yyMsg() << qPrintable(LU::tr("Class '%1' lacks Q_OBJECT macro\n").arg(context));
                             fctx->complained = true;
                         }
                     } else {
@@ -1873,7 +1875,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
             if (!tor)
                 goto case_default;
             if (!sourcetext.isEmpty())
-                yyMsg() << "//% cannot be used with translate() / QT_TRANSLATE_NOOP(). Ignoring\n";
+                yyMsg() << qPrintable(LU::tr("//% cannot be used with translate() / QT_TRANSLATE_NOOP(). Ignoring\n"));
             utf8 = (yyTok == Tok_translateUtf8);
             line = yyLineNo;
             yyTok = getToken();
@@ -1928,7 +1930,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
             if (!tor)
                 goto case_default;
             if (!msgid.isEmpty())
-                yyMsg() << "//= cannot be used with qtTrId() / QT_TRID_NOOP(). Ignoring\n";
+                yyMsg() << qPrintable(LU::tr("//= cannot be used with qtTrId() / QT_TRID_NOOP(). Ignoring\n"));
             //utf8 = false; // Maybe use //%% or something like that
             line = yyLineNo;
             yyTok = getToken();
@@ -1995,13 +1997,13 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
                     if (isspace(c))
                         continue;
                     if (c != '"') {
-                        yyMsg() << "Unexpected character in meta string\n";
+                        yyMsg() << qPrintable(LU::tr("Unexpected character in meta string\n"));
                         break;
                     }
                     forever {
                         if (p >= yyWord.length()) {
                           whoops:
-                            yyMsg() << "Unterminated meta string\n";
+                            yyMsg() << qPrintable(LU::tr("Unterminated meta string\n"));
                             break;
                         }
                         c = yyWord.unicode()[p++].unicode();
@@ -2054,7 +2056,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
         case Tok_Arrow:
             yyTok = getToken();
             if (yyTok == Tok_tr || yyTok == Tok_trUtf8)
-                yyMsg() << "Cannot invoke tr() like this\n";
+                yyMsg() << qPrintable(LU::tr("Cannot invoke tr() like this\n"));
             break;
         case Tok_ColonColon:
             if (yyBraceDepth == namespaceDepths.count() && yyParenDepth == 0 && !yyTokColonSeen)
@@ -2087,7 +2089,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
             prospectiveContext.clear();
             prefix.clear();
             if (!sourcetext.isEmpty() || !extracomment.isEmpty() || !msgid.isEmpty() || !extra.isEmpty()) {
-                yyMsg() << "Discarding unconsumed meta data\n";
+                yyMsg() << qPrintable(LU::tr("Discarding unconsumed meta data\n"));
                 sourcetext.clear();
                 extracomment.clear();
                 msgid.clear();
@@ -2127,16 +2129,16 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
 
     if (yyBraceDepth != 0)
         yyMsg(yyBraceLineNo)
-            << "Unbalanced opening brace in C++ code"
-               " (or abuse of the C++ preprocessor)\n";
+            << qPrintable(LU::tr("Unbalanced opening brace in C++ code"
+                                 " (or abuse of the C++ preprocessor)\n"));
     else if (yyParenDepth != 0)
         yyMsg(yyParenLineNo)
-            << "Unbalanced opening parenthesis in C++ code"
-               " (or abuse of the C++ preprocessor)\n";
+            << qPrintable(LU::tr("Unbalanced opening parenthesis in C++ code"
+                                 " (or abuse of the C++ preprocessor)\n"));
     else if (yyBracketDepth != 0)
         yyMsg(yyBracketLineNo)
-            << "Unbalanced opening bracket in C++ code"
-               " (or abuse of the C++ preprocessor)\n";
+            << qPrintable(LU::tr("Unbalanced opening bracket in C++ code"
+                                 " (or abuse of the C++ preprocessor)\n"));
 }
 
 const ParseResults *CppParser::recordResults(bool isHeader)
@@ -2197,8 +2199,7 @@ void loadCPP(Translator &translator, const QStringList &filenames, ConversionDat
 
         QFile file(filename);
         if (!file.open(QIODevice::ReadOnly)) {
-            cd.appendError(QString::fromLatin1("Cannot open %1: %2")
-                .arg(filename, file.errorString()));
+            cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
             continue;
         }
 
diff --git a/tools/linguist/lupdate/java.cpp b/tools/linguist/lupdate/java.cpp
index dc66e2b..165b6a3 100644
--- a/tools/linguist/lupdate/java.cpp
+++ b/tools/linguist/lupdate/java.cpp
@@ -50,6 +50,7 @@
 #include <QtCore/QStack>
 #include <QtCore/QString>
 #include <QtCore/QTextCodec>
+#include <QtCore/QCoreApplication>
 
 #include <iostream>
 
@@ -57,6 +58,10 @@
 
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 enum { Tok_Eof, Tok_class, Tok_return, Tok_tr,
        Tok_translate, Tok_Ident, Tok_Package,
        Tok_Comment, Tok_String, Tok_Colon, Tok_Dot,
@@ -196,7 +201,7 @@ static int getToken()
                     while ( !metAsterSlash ) {
                         yyCh = getChar();
                         if ( yyCh == EOF ) {
-                            yyMsg() << "Unterminated Java comment.\n";
+                            yyMsg() << qPrintable(LU::tr("Unterminated Java comment.\n"));
                             return Tok_Comment;
                         }
 
@@ -232,7 +237,7 @@ static int getToken()
                                 else {
                                     int sub(yyCh.toLower().toAscii() - 87);
                                     if( sub > 15 || sub < 10) {
-                                        yyMsg() << "Invalid Unicode value.\n";
+                                        yyMsg() << qPrintable(LU::tr("Invalid Unicode value.\n"));
                                         break;
                                     }
                                     unicode += sub;
@@ -255,7 +260,7 @@ static int getToken()
                 }
 
                 if ( yyCh != QLatin1Char('"') )
-                    yyMsg() << "Unterminated string.\n";
+                    yyMsg() << qPrintable(LU::tr("Unterminated string.\n"));
 
                 yyCh = getChar();
 
@@ -368,8 +373,9 @@ static bool matchString( QString &s )
         if (yyTok == Tok_String)
             s += yyString;
         else {
-            yyMsg() << "String used in translation can contain only literals"
-                       " concatenated with other literals, not expressions or numbers.\n";
+            yyMsg() << qPrintable(LU::tr(
+                "String used in translation can contain only literals"
+                " concatenated with other literals, not expressions or numbers.\n"));
             return false;
         }
         yyTok = getToken();
@@ -477,7 +483,7 @@ static void parse( Translator *tor )
                 yyScope.push(new Scope(yyIdent, Scope::Clazz, yyLineNo));
             }
             else {
-                yyMsg() << "'class' must be followed by a class name.\n";
+                yyMsg() << qPrintable(LU::tr("'class' must be followed by a class name.\n"));
                 break;
             }
             while (!match(Tok_LeftBrace)) {
@@ -549,7 +555,7 @@ static void parse( Translator *tor )
 
         case Tok_RightBrace:
             if ( yyScope.isEmpty() ) {
-                yyMsg() << "Excess closing brace.\n";
+                yyMsg() << qPrintable(LU::tr("Excess closing brace.\n"));
             }
             else
                 delete (yyScope.pop());
@@ -578,7 +584,7 @@ static void parse( Translator *tor )
                         yyPackage.append(QLatin1String("."));
                         break;
                     default:
-                         yyMsg() << "'package' must be followed by package name.\n";
+                         yyMsg() << qPrintable(LU::tr("'package' must be followed by package name.\n"));
                          break;
                 }
                 yyTok = getToken();
@@ -591,9 +597,9 @@ static void parse( Translator *tor )
     }
 
     if ( !yyScope.isEmpty() )
-        yyMsg(yyScope.top()->line) << "Unbalanced opening brace.\n";
+        yyMsg(yyScope.top()->line) << qPrintable(LU::tr("Unbalanced opening brace.\n"));
     else if ( yyParenDepth != 0 )
-        yyMsg(yyParenLineNo) << "Unbalanced opening parenthesis.\n";
+        yyMsg(yyParenLineNo) << qPrintable(LU::tr("Unbalanced opening parenthesis.\n"));
 }
 
 
@@ -601,8 +607,7 @@ bool loadJava(Translator &translator, const QString &filename, ConversionData &c
 {
     QFile file(filename);
     if (!file.open(QIODevice::ReadOnly)) {
-        cd.appendError(QString::fromLatin1("Cannot open %1: %2")
-            .arg(filename, file.errorString()));
+        cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
         return false;
     }
 
diff --git a/tools/linguist/lupdate/main.cpp b/tools/linguist/lupdate/main.cpp
index a575192..d96e205 100644
--- a/tools/linguist/lupdate/main.cpp
+++ b/tools/linguist/lupdate/main.cpp
@@ -52,6 +52,8 @@
 #include <QtCore/QString>
 #include <QtCore/QStringList>
 #include <QtCore/QTextCodec>
+#include <QtCore/QTranslator>
+#include <QtCore/QLibraryInfo>
 
 #include <iostream>
 
@@ -79,7 +81,7 @@ static void recursiveFileInfoList(const QDir &dir,
 
 static void printUsage()
 {
-    printOut(QObject::tr(
+    printOut(LU::tr(
         "Usage:\n"
         "    lupdate [options] [project-file]...\n"
         "    lupdate [options] [source-file|path|@lst-file]... -ts ts-files|@lst-file\n\n"
@@ -186,7 +188,7 @@ static void updateTsFiles(const Translator &fetchedTor, const QStringList &tsFil
         else if (options & AbsoluteLocations)
             tor.setLocationsType(Translator::AbsoluteLocations);
         if (options & Verbose)
-            printOut(QObject::tr("Updating '%1'...\n").arg(fn));
+            printOut(LU::tr("Updating '%1'...\n").arg(fn));
 
         UpdateOptions theseOptions = options;
         if (tor.locationsType() == Translator::NoLocations) // Could be set from file
@@ -201,7 +203,7 @@ static void updateTsFiles(const Translator &fetchedTor, const QStringList &tsFil
         }
         if (options & PluralOnly) {
             if (options & Verbose)
-                printOut(QObject::tr("Stripping non plural forms in '%1'...\n").arg(fn));
+                printOut(LU::tr("Stripping non plural forms in '%1'...\n").arg(fn));
             out.stripNonPluralForms();
         }
         if (options & NoObsolete)
@@ -359,12 +361,12 @@ static void processProjects(
         if (visitor.contains(QLatin1String("TRANSLATIONS"))) {
             if (parentTor) {
                 if (topLevel) {
-                    std::cerr << "lupdate warning: TS files from command line "
-                            "will override TRANSLATIONS in " << qPrintable(proFile) << ".\n";
+                    std::cerr << qPrintable(LU::tr("lupdate warning: TS files from command line "
+                                                   "will override TRANSLATIONS in %1.\n").arg(proFile));
                     goto noTrans;
                 } else if (nestComplain) {
-                    std::cerr << "lupdate warning: TS files from command line "
-                            "prevent recursing into " << qPrintable(proFile) << ".\n";
+                    std::cerr << qPrintable(LU::tr("lupdate warning: TS files from command line "
+                                                   "prevent recursing into %1.\n").arg(proFile));
                     continue;
                 }
             }
@@ -395,8 +397,8 @@ static void processProjects(
       noTrans:
         if (!parentTor) {
             if (topLevel)
-                std::cerr << "lupdate warning: no TS files specified. Only diagnostics "
-                        "will be produced for '" << qPrintable(proFile) << "'.\n";
+                std::cerr << qPrintable(LU::tr("lupdate warning: no TS files specified. Only diagnostics "
+                                               "will be produced for '%1'.\n").arg(proFile));
             Translator tor;
             processProject(nestComplain, pfi, visitor, options, codecForSource,
                            targetLanguage, sourceLanguage, &tor, fail);
@@ -410,6 +412,16 @@ static void processProjects(
 int main(int argc, char **argv)
 {
     QCoreApplication app(argc, argv);
+    QTranslator translator;
+    QTranslator qtTranslator;
+    QString sysLocale = QLocale::system().name();
+    QString resourceDir = QLibraryInfo::location(QLibraryInfo::TranslationsPath);
+    if (translator.load(QLatin1String("linguist_") + sysLocale, resourceDir)
+        && qtTranslator.load(QLatin1String("qt_") + sysLocale, resourceDir)) {
+        app.installTranslator(&translator);
+        app.installTranslator(&qtTranslator);
+    }
+
     m_defaultExtensions = QLatin1String("java,jui,ui,c,c++,cc,cpp,cxx,ch,h,h++,hh,hpp,hxx,js,qs,qml");
 
     QStringList args = app.arguments();
@@ -613,7 +625,7 @@ int main(int argc, char **argv)
                     proFiles << file;
                 } else if (fi.isDir()) {
                     if (options & Verbose)
-                        printOut(QObject::tr("Scanning directory '%1'...\n").arg(file));
+                        printOut(LU::tr("Scanning directory '%1'...\n").arg(file));
                     QDir dir = QDir(fi.filePath());
                     projectRoots.insert(dir.absolutePath() + QLatin1Char('/'));
                     if (extensionsNameFilters.isEmpty()) {
diff --git a/tools/linguist/lupdate/merge.cpp b/tools/linguist/lupdate/merge.cpp
index fffdf9b..87c150c 100644
--- a/tools/linguist/lupdate/merge.cpp
+++ b/tools/linguist/lupdate/merge.cpp
@@ -44,15 +44,19 @@
 #include "simtexth.h"
 #include "translator.h"
 
+#include <QtCore/QCoreApplication>
 #include <QtCore/QDebug>
 #include <QtCore/QMap>
 #include <QtCore/QStringList>
 #include <QtCore/QTextCodec>
 #include <QtCore/QVector>
 
-
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 static bool isDigitFriendly(QChar c)
 {
     return c.isPunct() || c.isSpace();
@@ -485,24 +489,24 @@ Translator merge(const Translator &tor, const Translator &virginTor,
 
     if (options & Verbose) {
         int totalFound = neww + known;
-        err += QObject::tr("    Found %n source text(s) (%1 new and %2 already existing)\n", 0, totalFound).arg(neww).arg(known);
+        err += LU::tr("    Found %n source text(s) (%1 new and %2 already existing)\n", 0, totalFound).arg(neww).arg(known);
 
         if (obsoleted) {
             if (options & NoObsolete) {
-                err += QObject::tr("    Removed %n obsolete entries\n", 0, obsoleted);
+                err += LU::tr("    Removed %n obsolete entries\n", 0, obsoleted);
             } else {
-                err += QObject::tr("    Kept %n obsolete entries\n", 0, obsoleted);
+                err += LU::tr("    Kept %n obsolete entries\n", 0, obsoleted);
             }
         }
 
         if (sameNumberHeuristicCount)
-            err += QObject::tr("    Number heuristic provided %n translation(s)\n",
+            err += LU::tr("    Number heuristic provided %n translation(s)\n",
                       0, sameNumberHeuristicCount);
         if (sameTextHeuristicCount)
-            err += QObject::tr("    Same-text heuristic provided %n translation(s)\n",
+            err += LU::tr("    Same-text heuristic provided %n translation(s)\n",
                       0, sameTextHeuristicCount);
         if (similarTextHeuristicCount)
-            err += QObject::tr("    Similar-text heuristic provided %n translation(s)\n",
+            err += LU::tr("    Similar-text heuristic provided %n translation(s)\n",
                       0, similarTextHeuristicCount);
     }
     return outTor;
diff --git a/tools/linguist/lupdate/qdeclarative.cpp b/tools/linguist/lupdate/qdeclarative.cpp
index 2377416..01b9a1d 100644
--- a/tools/linguist/lupdate/qdeclarative.cpp
+++ b/tools/linguist/lupdate/qdeclarative.cpp
@@ -65,8 +65,26 @@
 
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 using namespace QDeclarativeJS;
 
+class Comment
+{
+public:
+    Comment() : lastLine(-1) {}
+    QString extracomment;
+    QString msgid;
+    TranslatorMessage::ExtraData extra;
+    QString sourcetext;
+    int lastLine;
+
+    bool isValid() const
+    { return !extracomment.isEmpty() || !msgid.isEmpty() || !sourcetext.isEmpty() || !extra.isEmpty(); }
+};
+
 class FindTrCalls: protected AST::Visitor
 {
 public:
@@ -78,6 +96,8 @@ public:
         accept(node);
     }
 
+    QList<Comment> comments;
+
 protected:
     using AST::Visitor::visit;
     using AST::Visitor::endVisit;
@@ -114,10 +134,23 @@ protected:
                             plural = true;
                     }
 
+                    QString id;
+                    QString extracomment;
+                    TranslatorMessage::ExtraData extra;
+                    Comment scomment = findComment(node->firstSourceLocation().startLine);
+                    if (scomment.isValid()) {
+                        extracomment = scomment.extracomment;
+                        extra = scomment.extra;
+                        id = scomment.msgid;
+                    }
+
                     TranslatorMessage msg(m_component, source,
                         comment, QString(), m_fileName,
                         node->firstSourceLocation().startLine, QStringList(),
                         TranslatorMessage::Unfinished, plural);
+                    msg.setExtraComment(extracomment.simplified());
+                    msg.setId(id);
+                    msg.setExtras(extra);
                     m_translator->extend(msg);
                 }
             } else if (idExpr->name->asString() == QLatin1String("qsTranslate") ||
@@ -140,6 +173,17 @@ protected:
                     }
                     if (!literal && m_bSource.isEmpty())
                         return;
+
+                    QString id;
+                    QString extracomment;
+                    TranslatorMessage::ExtraData extra;
+                    Comment scomment = findComment(node->firstSourceLocation().startLine);
+                    if (scomment.isValid()) {
+                        extracomment = scomment.extracomment;
+                        extra = scomment.extra;
+                        id = scomment.msgid;
+                    }
+
                     source = literal ? literal->value->asString() : m_bSource;
                     AST::ArgumentList *commentNode = sourceNode->next;
                     if (commentNode && AST::cast<AST::StringLiteral *>(commentNode->expression)) {
@@ -155,15 +199,48 @@ protected:
                         comment, QString(), m_fileName,
                         node->firstSourceLocation().startLine, QStringList(),
                         TranslatorMessage::Unfinished, plural);
+                    msg.setExtraComment(extracomment.simplified());
+                    msg.setId(id);
+                    msg.setExtras(extra);
                     m_translator->extend(msg);
                 }
+            } else if (idExpr->name->asString() == QLatin1String("qsTrId") ||
+                       idExpr->name->asString() == QLatin1String("QT_TRID_NOOP")) {
+                if (!node->arguments)
+                    return;
 
+                AST::StringLiteral *literal = AST::cast<AST::StringLiteral *>(node->arguments->expression);
+                if (literal) {
+
+                    QString extracomment;
+                    QString sourcetext;
+                    TranslatorMessage::ExtraData extra;
+                    Comment comment = findComment(node->firstSourceLocation().startLine);
+                    if (comment.isValid()) {
+                        extracomment = comment.extracomment;
+                        sourcetext = comment.sourcetext;
+                        extra = comment.extra;
+                    }
+
+                    const QString id = literal->value->asString();
+                    bool plural = node->arguments->next;
+
+                    TranslatorMessage msg(QString(), QString(),
+                        QString(), QString(), m_fileName,
+                        node->firstSourceLocation().startLine, QStringList(),
+                        TranslatorMessage::Unfinished, plural);
+                    msg.setExtraComment(extracomment.simplified());
+                    msg.setId(id);
+                    msg.setExtras(extra);
+                    m_translator->extend(msg);
+                }
             }
         }
     }
 
 private:
-    bool createString(AST::BinaryExpression *b) {
+    bool createString(AST::BinaryExpression *b)
+    {
         if (!b || b->op != 0)
             return false;
         AST::BinaryExpression *l = AST::cast<AST::BinaryExpression *>(b->left);
@@ -187,6 +264,23 @@ private:
         return true;
     }
 
+    Comment findComment(int loc)
+    {
+        if (comments.isEmpty())
+            return Comment();
+
+        int i = 0;
+        int commentLoc = comments.at(i).lastLine;
+        while (commentLoc <= loc) {
+            if (commentLoc == loc)
+                return comments.at(i);
+            if (i == comments.count()-1)
+                break;
+            commentLoc = comments.at(++i).lastLine;
+        }
+        return Comment();
+    }
+
     Translator *m_translator;
     QString m_fileName;
     QString m_component;
@@ -236,13 +330,60 @@ QString createErrorString(const QString &filename, const QString &code, Parser &
     return errorString;
 }
 
+bool processComment(const QChar *chars, int length, Comment &comment)
+{
+    // Try to match the logic of the QtScript parser.
+    if (!length)
+        return comment.isValid();
+    if (*chars == QLatin1Char(':') && chars[1].isSpace()) {
+        comment.extracomment += QString(chars+1, length-1);
+    } else if (*chars == QLatin1Char('=') && chars[1].isSpace()) {
+        comment.msgid = QString(chars+2, length-2).simplified();
+    } else if (*chars == QLatin1Char('~') && chars[1].isSpace()) {
+        QString text = QString(chars+2, length-2).trimmed();
+        int k = text.indexOf(QLatin1Char(' '));
+        if (k > -1)
+            comment.extra.insert(text.left(k), text.mid(k + 1).trimmed());
+    } else if (*chars == QLatin1Char('%') && chars[1].isSpace()) {
+        comment.sourcetext.reserve(comment.sourcetext.length() + length-2);
+        ushort *ptr = (ushort *)comment.sourcetext.data() + comment.sourcetext.length();
+        int p = 2, c;
+        forever {
+            if (p >= length)
+                break;
+            c = chars[p++].unicode();
+            if (isspace(c))
+                continue;
+            if (c != '"')
+                break;
+            forever {
+                if (p >= length)
+                    break;
+                c = chars[p++].unicode();
+                if (c == '"')
+                    break;
+                if (c == '\\') {
+                    if (p >= length)
+                        break;
+                    c = chars[p++].unicode();
+                    if (c == '\n')
+                        break;
+                    *ptr++ = '\\';
+                }
+                *ptr++ = c;
+            }
+        }
+        comment.sourcetext.resize(ptr - (ushort *)comment.sourcetext.data());
+    }
+    return comment.isValid();
+}
+
 bool loadQml(Translator &translator, const QString &filename, ConversionData &cd)
 {
     cd.m_sourceFileName = filename;
     QFile file(filename);
     if (!file.open(QIODevice::ReadOnly)) {
-        cd.appendError(QString::fromLatin1("Cannot open %1: %2")
-            .arg(filename, file.errorString()));
+        cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
         return false;
     }
 
@@ -260,6 +401,25 @@ bool loadQml(Translator &translator, const QString &filename, ConversionData &cd
 
     if (parser.parse()) {
         FindTrCalls trCalls;
+
+        // build up a list of comments that contain translation information.
+        for (int i = 0; i < driver.comments().size(); ++i) {
+            AST::SourceLocation loc = driver.comments().at(i);
+            QString commentStr = code.mid(loc.offset, loc.length);
+
+            if (trCalls.comments.isEmpty() || trCalls.comments.last().lastLine != int(loc.startLine)) {
+                Comment comment;
+                comment.lastLine = loc.startLine+1;
+                if (processComment(commentStr.constData(), commentStr.length(), comment))
+                    trCalls.comments.append(comment);
+            } else {
+                Comment &lastComment = trCalls.comments.last();
+                lastComment.lastLine += 1;
+                processComment(commentStr.constData(), commentStr.length(), lastComment);
+            }
+        }
+
+        //find all tr calls in the code
         trCalls(&translator, filename, parser.ast());
     } else {
         QString error = createErrorString(filename, code, parser);
diff --git a/tools/linguist/lupdate/qscript.cpp b/tools/linguist/lupdate/qscript.cpp
index 7ca0987..5323022 100644
--- a/tools/linguist/lupdate/qscript.cpp
+++ b/tools/linguist/lupdate/qscript.cpp
@@ -47,6 +47,7 @@
 
 #include <translator.h>
 
+#include <QtCore/QCoreApplication>
 #include <QtCore/qdebug.h>
 #include <QtCore/qnumeric.h>
 #include <QtCore/qstring.h>
@@ -62,6 +63,10 @@
 
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 class QScriptGrammar
 {
 public:
@@ -1486,7 +1491,7 @@ int QScript::Lexer::lex()
                 else {
                     setDone(Bad);
                     err = IllegalCharacter;
-                    errmsg = QLatin1String("Illegal character");
+                    errmsg = LU::tr("Illegal character");
                 }
             }
             break;
@@ -1497,7 +1502,7 @@ int QScript::Lexer::lex()
             } else if (current == 0 || isLineTerminator()) {
                 setDone(Bad);
                 err = UnclosedStringLiteral;
-                errmsg = QLatin1String("Unclosed string at end of line");
+                errmsg = LU::tr("Unclosed string at end of line");
             } else if (current == '\\') {
                 state = InEscapeSequence;
             } else {
@@ -1523,7 +1528,7 @@ int QScript::Lexer::lex()
                 } else {
                     setDone(Bad);
                     err = IllegalEscapeSequence;
-                    errmsg = QLatin1String("Illegal escape squence");
+                    errmsg = LU::tr("Illegal escape squence");
                 }
             } else if (current == 'x')
                 state = InHexEscape;
@@ -1562,7 +1567,7 @@ int QScript::Lexer::lex()
             } else {
                 setDone(Bad);
                 err = IllegalUnicodeEscapeSequence;
-                errmsg = QLatin1String("Illegal unicode escape sequence");
+                errmsg = LU::tr("Illegal unicode escape sequence");
             }
             break;
         case InSingleLineComment:
@@ -1590,7 +1595,7 @@ int QScript::Lexer::lex()
             if (current == 0) {
                 setDone(Bad);
                 err = UnclosedComment;
-                errmsg = QLatin1String("Unclosed comment at end of file");
+                errmsg = LU::tr("Unclosed comment at end of file");
             } else if (isLineTerminator()) {
                 shiftWindowsLineBreak();
                 yylineno++;
@@ -1678,7 +1683,7 @@ int QScript::Lexer::lex()
             } else {
                 setDone(Bad);
                 err = IllegalExponentIndicator;
-                errmsg = QLatin1String("Illegal syntax for exponential number");
+                errmsg = LU::tr("Illegal syntax for exponential number");
             }
             break;
         case InExponent:
@@ -1704,7 +1709,7 @@ int QScript::Lexer::lex()
          && isIdentLetter(current)) {
         state = Bad;
         err = IllegalIdentifier;
-        errmsg = QLatin1String("Identifier cannot start with numeric literal");
+        errmsg = LU::tr("Identifier cannot start with numeric literal");
     }
 
     // terminate string
@@ -2023,7 +2028,7 @@ bool QScript::Lexer::scanRegExp(RegExpBodyPrefix prefix)
 
     while (1) {
         if (isLineTerminator() || current == 0) {
-            errmsg = QLatin1String("Unterminated regular expression literal");
+            errmsg = LU::tr("Unterminated regular expression literal");
             return false;
         }
         else if (current != '/' || lastWasEscape == true)
@@ -2267,14 +2272,14 @@ case 66: {
     QString name = sym(1).toString();
     if ((name == QLatin1String("qsTranslate")) || (name == QLatin1String("QT_TRANSLATE_NOOP"))) {
         if (!sourcetext.isEmpty())
-            yyMsg(identLineNo) << "//% cannot be used with " << qPrintable(name) << "(). Ignoring\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("//% cannot be used with %1(). Ignoring\n").arg(name));
         QVariantList args = sym(2).toList();
         if (args.size() < 2) {
-            yyMsg(identLineNo) << qPrintable(name) << "() requires at least two arguments.\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least two arguments.\n").arg(name));
         } else {
             if ((args.at(0).type() != QVariant::String)
                 || (args.at(1).type() != QVariant::String)) {
-                yyMsg(identLineNo) << qPrintable(name) << "(): both arguments must be literal strings.\n";
+                yyMsg(identLineNo) << qPrintable(LU::tr("%1(): both arguments must be literal strings.\n").arg(name));
             } else {
                 QString context = args.at(0).toString();
                 QString text = args.at(1).toString();
@@ -2290,13 +2295,13 @@ case 66: {
         extra.clear();
     } else if ((name == QLatin1String("qsTr")) || (name == QLatin1String("QT_TR_NOOP"))) {
         if (!sourcetext.isEmpty())
-            yyMsg(identLineNo) << "//% cannot be used with " << qPrintable(name) << "(). Ignoring\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("//% cannot be used with %1(). Ignoring\n").arg(name));
         QVariantList args = sym(2).toList();
         if (args.size() < 1) {
-            yyMsg(identLineNo) << qPrintable(name) << "() requires at least one argument.\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least one argument.\n").arg(name));
         } else {
             if (args.at(0).type() != QVariant::String) {
-                yyMsg(identLineNo) << qPrintable(name) << "(): text to translate must be a literal string.\n";
+                yyMsg(identLineNo) << qPrintable(LU::tr("%1(): text to translate must be a literal string.\n").arg(name));
             } else {
                 QString context = QFileInfo(fileName()).baseName();
                 QString text = args.at(0).toString();
@@ -2312,13 +2317,13 @@ case 66: {
         extra.clear();
     } else if ((name == QLatin1String("qsTrId")) || (name == QLatin1String("QT_TRID_NOOP"))) {
         if (!msgid.isEmpty())
-            yyMsg(identLineNo) << "//= cannot be used with " << qPrintable(name) << "(). Ignoring\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("//= cannot be used with %1(). Ignoring\n").arg(name));
         QVariantList args = sym(2).toList();
         if (args.size() < 1) {
-            yyMsg(identLineNo) << qPrintable(name) << "() requires at least one argument.\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least one argument.\n").arg(name));
         } else {
             if (args.at(0).type() != QVariant::String) {
-                yyMsg(identLineNo) << qPrintable(name) << "(): identifier must be a literal string.\n";
+                yyMsg(identLineNo) << qPrintable(LU::tr("%1(): identifier must be a literal string.\n").arg(name));
             } else {
                 msgid = args.at(0).toString();
                 bool plural = (args.size() > 1);
@@ -2386,7 +2391,7 @@ case 94: {
 
     case 185:
     if (!sourcetext.isEmpty() || !extracomment.isEmpty() || !msgid.isEmpty() || !extra.isEmpty()) {
-        yyMsg() << "Discarding unconsumed meta data\n";
+        yyMsg() << qPrintable(LU::tr("Discarding unconsumed meta data\n"));
         sourcetext.clear();
         extracomment.clear();
         msgid.clear();
@@ -2448,7 +2453,9 @@ case 94: {
               for (int s = 0; s < shifts; ++s)
                 {
                   if (first)
-                    error_message += QLatin1String ("Expected ");
+                    //: Beginning of the string that contains
+                    //: comma-separated list of expected tokens
+                    error_message += LU::tr("Expected ");
                   else
                     error_message += QLatin1String (", ");
 
@@ -2502,13 +2509,13 @@ void QScriptParser::processComment(const QChar *chars, int length)
             if (isspace(c))
                 continue;
             if (c != '"') {
-                yyMsg() << "Unexpected character in meta string\n";
+                yyMsg() << qPrintable(LU::tr("Unexpected character in meta string\n"));
                 break;
             }
             forever {
                 if (p >= length) {
                   whoops:
-                    yyMsg() << "Unterminated meta string\n";
+                    yyMsg() << qPrintable(LU::tr("Unterminated meta string\n"));
                     break;
                 }
                 c = chars[p++].unicode();
@@ -2534,8 +2541,7 @@ bool loadQScript(Translator &translator, const QString &filename, ConversionData
 {
     QFile file(filename);
     if (!file.open(QIODevice::ReadOnly)) {
-        cd.appendError(QString::fromLatin1("Cannot open %1: %2")
-            .arg(filename, file.errorString()));
+        cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
         return false;
     }
     QTextStream ts(&file);
diff --git a/tools/linguist/lupdate/qscript.g b/tools/linguist/lupdate/qscript.g
index e4c2d22..3655f2e 100644
--- a/tools/linguist/lupdate/qscript.g
+++ b/tools/linguist/lupdate/qscript.g
@@ -84,6 +84,7 @@
 /.
 #include <translator.h>
 
+#include <QtCore/QCoreApplication>
 #include <QtCore/qdebug.h>
 #include <QtCore/qnumeric.h>
 #include <QtCore/qstring.h>
@@ -99,6 +100,10 @@
 
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 static void recordMessage(
     Translator *tor, const QString &context, const QString &text, const QString &comment,
     const QString &extracomment, const QString &msgid, const TranslatorMessage::ExtraData &extra,
@@ -817,7 +822,7 @@ int QScript::Lexer::lex()
                 else {
                     setDone(Bad);
                     err = IllegalCharacter;
-                    errmsg = QLatin1String("Illegal character");
+                    errmsg = LU::tr("Illegal character");
                 }
             }
             break;
@@ -828,7 +833,7 @@ int QScript::Lexer::lex()
             } else if (current == 0 || isLineTerminator()) {
                 setDone(Bad);
                 err = UnclosedStringLiteral;
-                errmsg = QLatin1String("Unclosed string at end of line");
+                errmsg = LU::tr("Unclosed string at end of line");
             } else if (current == '\\') {
                 state = InEscapeSequence;
             } else {
@@ -854,7 +859,7 @@ int QScript::Lexer::lex()
                 } else {
                     setDone(Bad);
                     err = IllegalEscapeSequence;
-                    errmsg = QLatin1String("Illegal escape squence");
+                    errmsg = LU::tr("Illegal escape squence");
                 }
             } else if (current == 'x')
                 state = InHexEscape;
@@ -893,7 +898,7 @@ int QScript::Lexer::lex()
             } else {
                 setDone(Bad);
                 err = IllegalUnicodeEscapeSequence;
-                errmsg = QLatin1String("Illegal unicode escape sequence");
+                errmsg = LU::tr("Illegal unicode escape sequence");
             }
             break;
         case InSingleLineComment:
@@ -921,7 +926,7 @@ int QScript::Lexer::lex()
             if (current == 0) {
                 setDone(Bad);
                 err = UnclosedComment;
-                errmsg = QLatin1String("Unclosed comment at end of file");
+                errmsg = LU::tr("Unclosed comment at end of file");
             } else if (isLineTerminator()) {
                 shiftWindowsLineBreak();
                 yylineno++;
@@ -1009,7 +1014,7 @@ int QScript::Lexer::lex()
             } else {
                 setDone(Bad);
                 err = IllegalExponentIndicator;
-                errmsg = QLatin1String("Illegal syntax for exponential number");
+                errmsg = LU::tr("Illegal syntax for exponential number");
             }
             break;
         case InExponent:
@@ -1035,7 +1040,7 @@ int QScript::Lexer::lex()
          && isIdentLetter(current)) {
         state = Bad;
         err = IllegalIdentifier;
-        errmsg = QLatin1String("Identifier cannot start with numeric literal");
+        errmsg = LU::tr("Identifier cannot start with numeric literal");
     }
 
     // terminate string
@@ -1354,7 +1359,7 @@ bool QScript::Lexer::scanRegExp(RegExpBodyPrefix prefix)
 
     while (1) {
         if (isLineTerminator() || current == 0) {
-            errmsg = QLatin1String("Unterminated regular expression literal");
+            errmsg = LU::tr("Unterminated regular expression literal");
             return false;
         }
         else if (current != '/' || lastWasEscape == true)
@@ -1683,14 +1688,14 @@ case $rule_number: {
     QString name = sym(1).toString();
     if ((name == QLatin1String("qsTranslate")) || (name == QLatin1String("QT_TRANSLATE_NOOP"))) {
         if (!sourcetext.isEmpty())
-            yyMsg(identLineNo) << "//% cannot be used with " << qPrintable(name) << "(). Ignoring\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("//% cannot be used with %1(). Ignoring\n").arg(name));
         QVariantList args = sym(2).toList();
         if (args.size() < 2) {
-            yyMsg(identLineNo) << qPrintable(name) << "() requires at least two arguments.\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least two arguments.\n").arg(name));
         } else {
             if ((args.at(0).type() != QVariant::String)
                 || (args.at(1).type() != QVariant::String)) {
-                yyMsg(identLineNo) << qPrintable(name) << "(): both arguments must be literal strings.\n";
+                yyMsg(identLineNo) << qPrintable(LU::tr("%1(): both arguments must be literal strings.\n").arg(name));
             } else {
                 QString context = args.at(0).toString();
                 QString text = args.at(1).toString();
@@ -1706,13 +1711,13 @@ case $rule_number: {
         extra.clear();
     } else if ((name == QLatin1String("qsTr")) || (name == QLatin1String("QT_TR_NOOP"))) {
         if (!sourcetext.isEmpty())
-            yyMsg(identLineNo) << "//% cannot be used with " << qPrintable(name) << "(). Ignoring\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("//% cannot be used with %1(). Ignoring\n").arg(name));
         QVariantList args = sym(2).toList();
         if (args.size() < 1) {
-            yyMsg(identLineNo) << qPrintable(name) << "() requires at least one argument.\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least one argument.\n").arg(name));
         } else {
             if (args.at(0).type() != QVariant::String) {
-                yyMsg(identLineNo) << qPrintable(name) << "(): text to translate must be a literal string.\n";
+                yyMsg(identLineNo) << qPrintable(LU::tr("%1(): text to translate must be a literal string.\n").arg(name));
             } else {
                 QString context = QFileInfo(fileName()).baseName();
                 QString text = args.at(0).toString();
@@ -1728,13 +1733,13 @@ case $rule_number: {
         extra.clear();
     } else if ((name == QLatin1String("qsTrId")) || (name == QLatin1String("QT_TRID_NOOP"))) {
         if (!msgid.isEmpty())
-            yyMsg(identLineNo) << "//= cannot be used with " << qPrintable(name) << "(). Ignoring\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("//= cannot be used with %1(). Ignoring\n").arg(name));
         QVariantList args = sym(2).toList();
         if (args.size() < 1) {
-            yyMsg(identLineNo) << qPrintable(name) << "() requires at least one argument.\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least one argument.\n").arg(name));
         } else {
             if (args.at(0).type() != QVariant::String) {
-                yyMsg(identLineNo) << qPrintable(name) << "(): identifier must be a literal string.\n";
+                yyMsg(identLineNo) << qPrintable(LU::tr("%1(): identifier must be a literal string.\n").arg(name));
             } else {
                 msgid = args.at(0).toString();
                 bool plural = (args.size() > 1);
@@ -1950,7 +1955,7 @@ Statement: DebuggerStatement ;
 /.
     case $rule_number:
     if (!sourcetext.isEmpty() || !extracomment.isEmpty() || !msgid.isEmpty() || !extra.isEmpty()) {
-        yyMsg() << "Discarding unconsumed meta data\n";
+        yyMsg() << qPrintable(LU::tr("Discarding unconsumed meta data\n"));
         sourcetext.clear();
         extracomment.clear();
         msgid.clear();
@@ -2096,6 +2101,9 @@ PropertyNameAndValueListOpt: PropertyNameAndValueList ;
                 {
                   if (first)
                     error_message += QLatin1String ("Expected ");
+                    //: Beginning of the string that contains
+                    //: comma-separated list of expected tokens
+                    error_message += LU::tr("Expected ");
                   else
                     error_message += QLatin1String (", ");
 
@@ -2149,13 +2157,13 @@ void QScriptParser::processComment(const QChar *chars, int length)
             if (isspace(c))
                 continue;
             if (c != '"') {
-                yyMsg() << "Unexpected character in meta string\n";
+                yyMsg() << qPrintable(LU::tr("Unexpected character in meta string\n"));
                 break;
             }
             forever {
                 if (p >= length) {
                   whoops:
-                    yyMsg() << "Unterminated meta string\n";
+                    yyMsg() << qPrintable(LU::tr("Unterminated meta string\n"));
                     break;
                 }
                 c = chars[p++].unicode();
@@ -2181,8 +2189,7 @@ bool loadQScript(Translator &translator, const QString &filename, ConversionData
 {
     QFile file(filename);
     if (!file.open(QIODevice::ReadOnly)) {
-        cd.appendError(QString::fromLatin1("Cannot open %1: %2")
-            .arg(filename, file.errorString()));
+        cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
         return false;
     }
     QTextStream ts(&file);
diff --git a/tools/linguist/lupdate/ui.cpp b/tools/linguist/lupdate/ui.cpp
index 9e22922..797ab1f 100644
--- a/tools/linguist/lupdate/ui.cpp
+++ b/tools/linguist/lupdate/ui.cpp
@@ -43,6 +43,7 @@
 
 #include <translator.h>
 
+#include <QtCore/QCoreApplication>
 #include <QtCore/QDebug>
 #include <QtCore/QFile>
 #include <QtCore/QString>
@@ -55,6 +56,10 @@
 
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 class UiReader : public QXmlDefaultHandler
 {
 public:
@@ -152,11 +157,10 @@ bool UiReader::characters(const QString &ch)
 
 bool UiReader::fatalError(const QXmlParseException &exception)
 {
-    QString msg;
-    msg.sprintf("XML error: Parse error at line %d, column %d (%s).",
-                 exception.lineNumber(), exception.columnNumber(),
-                 exception.message().toLatin1().data());
-    m_cd.appendError(msg); 
+    QString msg = LU::tr("XML error: Parse error at line %1, column %2 (%3).")
+        .arg(exception.lineNumber()).arg(exception.columnNumber())
+        .arg(exception.message());
+    m_cd.appendError(msg);
     return false;
 }
 
@@ -181,8 +185,7 @@ bool loadUI(Translator &translator, const QString &filename, ConversionData &cd)
     cd.m_sourceFileName = filename;
     QFile file(filename);
     if (!file.open(QIODevice::ReadOnly)) {
-        cd.appendError(QString::fromLatin1("Cannot open %1: %2")
-            .arg(filename, file.errorString()));
+        cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
         return false;
     }
     QXmlInputSource in(&file);
@@ -196,7 +199,7 @@ bool loadUI(Translator &translator, const QString &filename, ConversionData &cd)
     reader.setErrorHandler(&handler);
     bool result = reader.parse(in);
     if (!result)
-        cd.appendError(QLatin1String("Parse error in UI file"));
+        cd.appendError(LU::tr("Parse error in UI file"));
     reader.setContentHandler(0);
     reader.setErrorHandler(0);
     return result;
diff --git a/tools/linguist/shared/po.cpp b/tools/linguist/shared/po.cpp
index a692332..3fd05ee 100644
--- a/tools/linguist/shared/po.cpp
+++ b/tools/linguist/shared/po.cpp
@@ -50,8 +50,6 @@
 
 #include <ctype.h>
 
-#define MAGIC_OBSOLETE_REFERENCE "Obsolete_PO_entries"
-
 // Uncomment if you wish to hard wrap long lines in .po files. Note that this
 // affects only msg strings, not comments.
 //#define HARD_WRAP_LONG_WORDS
@@ -555,15 +553,26 @@ bool loadPO(Translator &translator, QIODevice &dev, ConversionData &cd)
             TranslatorMessage msg;
             msg.setContext(codec->toUnicode(item.context));
             if (!item.references.isEmpty()) {
+                QString xrefs;
                 foreach (const QString &ref,
                          codec->toUnicode(item.references).split(
                                  QRegExp(QLatin1String("\\s")), QString::SkipEmptyParts)) {
-                    int pos = ref.lastIndexOf(QLatin1Char(':'));
-                    if (pos != -1)
-                        msg.addReference(ref.left(pos), ref.mid(pos + 1).toInt());
+                    int pos = ref.indexOf(QLatin1Char(':'));
+                    int lpos = ref.lastIndexOf(QLatin1Char(':'));
+                    if (pos != -1 && pos == lpos) {
+                        bool ok;
+                        int lno = ref.mid(pos + 1).toInt(&ok);
+                        if (ok) {
+                            msg.addReference(ref.left(pos), lno);
+                            continue;
+                        }
+                    }
+                    if (!xrefs.isEmpty())
+                        xrefs += QLatin1Char(' ');
+                    xrefs += ref;
                 }
-            } else if (isObsolete) {
-                msg.setFileName(QLatin1String(MAGIC_OBSOLETE_REFERENCE));
+                if (!xrefs.isEmpty())
+                    item.extra[QLatin1String("po-references")] = xrefs;
             }
             msg.setId(codec->toUnicode(item.id));
             msg.setSourceText(codec->toUnicode(item.msgId));
@@ -660,6 +669,8 @@ bool loadPO(Translator &translator, QIODevice &dev, ConversionData &cd)
                         item.isPlural = true;
                     } else if (line.startsWith("#~ msgctxt ")) {
                         item.tscomment = slurpEscapedString(lines, l, 11, "#~ ", cd);
+                        if (qtContexts)
+                            splitContext(&item.tscomment, &item.context);
                     } else {
                         cd.appendError(QString(QLatin1String("PO-format parse error in line %1: '%2'"))
                             .arg(l + 1).arg(codec->toUnicode(lines[l])));
@@ -773,11 +784,14 @@ bool savePO(const Translator &translator, QIODevice &dev, ConversionData &cd)
         if (!msg.id().isEmpty())
             out << QLatin1String("#. ts-id ") << msg.id() << '\n';
 
-        if (!msg.fileName().isEmpty() && msg.fileName() != QLatin1String(MAGIC_OBSOLETE_REFERENCE)) {
+        QString xrefs = msg.extra(QLatin1String("po-references"));
+        if (!msg.fileName().isEmpty() || !xrefs.isEmpty()) {
             QStringList refs;
             foreach (const TranslatorMessage::Reference &ref, msg.allReferences())
                 refs.append(QString(QLatin1String("%2:%1"))
                                     .arg(ref.lineNumber()).arg(ref.fileName()));
+            if (!xrefs.isEmpty())
+                refs << xrefs;
             out << poWrappedEscapedLines(QLatin1String("#:"), true, refs.join(QLatin1String(" ")));
         }
 
diff --git a/tools/linguist/shared/xliff.cpp b/tools/linguist/shared/xliff.cpp
index 6411426..70724ef 100644
--- a/tools/linguist/shared/xliff.cpp
+++ b/tools/linguist/shared/xliff.cpp
@@ -53,6 +53,11 @@
 #include <QtXml/QXmlParseException>
 
 
+// The string value is historical and reflects the main purpose: Keeping
+// obsolete entries separate from the magic file message (which both have
+// no location information, but typically reside at opposite ends of the file).
+#define MAGIC_OBSOLETE_REFERENCE "Obsolete_PO_entries"
+
 QT_BEGIN_NAMESPACE
 
 /**
@@ -692,6 +697,9 @@ bool XLIFFHandler::finalizeMessage(bool isPlural)
         m_cd.appendError(QLatin1String("XLIFF syntax error: Message without source string."));
         return false;
     }
+    if (m_type == TranslatorMessage::Obsolete && m_refs.size() == 1
+        && m_refs.at(0).fileName() == QLatin1String(MAGIC_OBSOLETE_REFERENCE))
+        m_refs.clear();
     TranslatorMessage msg(m_context, m_sources[0],
                           m_comment, QString(), QString(), -1,
                           m_translations, m_type, isPlural);
@@ -761,12 +769,15 @@ bool saveXLIFF(const Translator &translator, QIODevice &dev, ConversionData &cd)
     QHash<QString, QList<QString> > contextOrder;
     QList<QString> fileOrder;
     foreach (const TranslatorMessage &msg, translator.messages()) {
-        QHash<QString, QList<TranslatorMessage> > &file = messageOrder[msg.fileName()];
+        QString fn = msg.fileName();
+        if (fn.isEmpty() && msg.type() == TranslatorMessage::Obsolete)
+            fn = QLatin1String(MAGIC_OBSOLETE_REFERENCE);
+        QHash<QString, QList<TranslatorMessage> > &file = messageOrder[fn];
         if (file.isEmpty())
-            fileOrder.append(msg.fileName());
+            fileOrder.append(fn);
         QList<TranslatorMessage> &context = file[msg.context()];
         if (context.isEmpty())
-            contextOrder[msg.fileName()].append(msg.context());
+            contextOrder[fn].append(msg.context());
         context.append(msg);
     }