4 files changed, 11 insertions, 11 deletions
diff --git a/src/corelib/kernel/qabstractitemmodel.cpp b/src/corelib/kernel/qabstractitemmodel.cpp
index fd0e105..935c0aa 100644
--- a/src/corelib/kernel/qabstractitemmodel.cpp
+++ b/src/corelib/kernel/qabstractitemmodel.cpp
@@ -428,8 +428,8 @@ bool QPersistentModelIndex::isValid() const
 QDebug operator<<(QDebug dbg, const QModelIndex &idx)
 {
 #ifndef Q_BROKEN_DEBUG_STREAM
-    dbg.nospace() << "QModelIndex(" << idx.row() << "," << idx.column()
-                  << "," << idx.internalPointer() << "," << idx.model() << ")";
+    dbg.nospace() << "QModelIndex(" << idx.row() << ',' << idx.column()
+                  << ',' << idx.internalPointer() << ',' << idx.model() << ')';
     return dbg.space();
 #else
     qWarning("This compiler doesn't support streaming QModelIndex to QDebug");
@@ -525,7 +525,7 @@ void QAbstractItemModelPrivate::rowsInserted(const QModelIndex &parent,
         if (data->index.isValid()) {
             persistent.insertMultiAtEnd(data->index, data);
         } else {
-            qWarning() << "QAbstractItemModel::endInsertRows:  Invalid index (" << old.row() + count << "," << old.column() << ") in model" << q_func();
+            qWarning() << "QAbstractItemModel::endInsertRows:  Invalid index (" << old.row() + count << ',' << old.column() << ") in model" << q_func();
         }
     }
 }
@@ -574,7 +574,7 @@ void QAbstractItemModelPrivate::rowsRemoved(const QModelIndex &parent,
         if (data->index.isValid()) {
             persistent.insertMultiAtEnd(data->index, data);
         } else {
-            qWarning() << "QAbstractItemModel::endRemoveRows:  Invalid index (" << old.row() - count << "," << old.column() << ") in model" << q_func();
+            qWarning() << "QAbstractItemModel::endRemoveRows:  Invalid index (" << old.row() - count << ',' << old.column() << ") in model" << q_func();
         }
     }
     QVector<QPersistentModelIndexData *> persistent_invalidated = persistent.invalidated.pop();
@@ -619,7 +619,7 @@ void QAbstractItemModelPrivate::columnsInserted(const QModelIndex &parent,
         if (data->index.isValid()) {
             persistent.insertMultiAtEnd(data->index, data);
         } else {
-            qWarning() << "QAbstractItemModel::endInsertColumns:  Invalid index (" << old.row() << "," << old.column() + count << ") in model" << q_func();
+            qWarning() << "QAbstractItemModel::endInsertColumns:  Invalid index (" << old.row() << ',' << old.column() + count << ") in model" << q_func();
         }
      }
 }
@@ -669,7 +669,7 @@ void QAbstractItemModelPrivate::columnsRemoved(const QModelIndex &parent,
         if (data->index.isValid()) {
             persistent.insertMultiAtEnd(data->index, data);
         } else {
-            qWarning() << "QAbstractItemModel::endRemoveColumns:  Invalid index (" << old.row() << "," << old.column() - count << ") in model" << q_func();
+            qWarning() << "QAbstractItemModel::endRemoveColumns:  Invalid index (" << old.row() << ',' << old.column() - count << ") in model" << q_func();
         }
     }
     QVector<QPersistentModelIndexData *> persistent_invalidated = persistent.invalidated.pop();
diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
index 77ef096..6847173 100644
--- a/src/corelib/kernel/qcoreapplication.cpp
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -1798,7 +1798,7 @@ QString QCoreApplication::applicationFilePath()
         */
         QByteArray pEnv = qgetenv("PATH");
         QDir currentDir = QDir::current();
-        QStringList paths = QString::fromLocal8Bit(pEnv.constData()).split(QLatin1String(":"));
+        QStringList paths = QString::fromLocal8Bit(pEnv.constData()).split(QLatin1Char(':'));
         for (QStringList::const_iterator p = paths.constBegin(); p != paths.constEnd(); ++p) {
             if ((*p).isEmpty())
                 continue;
@@ -1908,7 +1908,7 @@ QStringList QCoreApplication::arguments()
     wchar_t tempFilename[MAX_PATH+1];
     if (GetModuleFileNameW(0, tempFilename, MAX_PATH)) {
         tempFilename[MAX_PATH] = 0;
-        cmdline.prepend(QString(QLatin1String("\"")) + QString::fromUtf16((unsigned short *)tempFilename) + QString(QLatin1String("\" ")));
+        cmdline.prepend(QLatin1Char('\"') + QString::fromUtf16((unsigned short *)tempFilename) + QString(QLatin1String("\" ")));
     }
 #endif // Q_OS_WINCE
 
diff --git a/src/corelib/kernel/qcoreapplication_win.cpp b/src/corelib/kernel/qcoreapplication_win.cpp
index 225821f..7ab91c9 100644
--- a/src/corelib/kernel/qcoreapplication_win.cpp
+++ b/src/corelib/kernel/qcoreapplication_win.cpp
@@ -134,11 +134,11 @@ Q_CORE_EXPORT void qWinMsgHandler(QtMsgType t, const char* str)
     staticCriticalSection.lock();
     QT_WA({
         QString s(QString::fromLocal8Bit(str));
-        s += QLatin1String("\n");
+        s += QLatin1Char('\n');
         OutputDebugStringW((TCHAR*)s.utf16());
     }, {
         QByteArray s(str);
-        s += "\n";
+        s += '\n';
         OutputDebugStringA(s.data());
     })
     staticCriticalSection.unlock();
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index 1e9e284..65d81f1 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -3461,7 +3461,7 @@ QDebug operator<<(QDebug dbg, const QObject *o) {
 #ifndef Q_BROKEN_DEBUG_STREAM
     if (!o)
         return dbg << "QObject(0x0) ";
-    dbg.nospace() << o->metaObject()->className() << "(" << (void *)o;
+    dbg.nospace() << o->metaObject()->className() << '(' << (void *)o;
     if (!o->objectName().isEmpty())
         dbg << ", name = " << o->objectName();
     dbg << ')';