Long live Qt 4.5!

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+Here is a list of (major) changes in Qt from 0.96 to 0.98.
+As usual, we fixed some bugs and improved the documentation.
+
+
+*************** Changes that might affect runtime behavior *****************
+
+QWidget:
+--------
+  setMinimumSize() and setMaximumSize() now force the widget to 
+  a legal size.  resize() and setGeometry() obey the widget's
+  minimum/maximum size.
+
+  The default behaviour of QWidget::closeEvent is now to hide the widget,
+  not to delete it as before (which was potentially dangerous). This means
+  that if you have a top level widget and the user closes it via the close
+  box, it will now hide itself if you have not reimplemented closeEvent().
+  See the QWidget::closeEvent() and QCloseEvent documentation for details.
+
+  (There are other changes in QWidget, see below)
+
+
+*************** Changes that might generate compile errors *****************
+**************           when compiling old code           *****************
+
+Disabled copy constructors and operators=
+----------------------------------------- 
+  Copy constructors and operators= are disabled in the classes that cannot
+  be copied (this includes all classes that inherit from QObject). This
+  will let the compiler find bugs in your code, you'll get compile time 
+  errors where you most probably would have gotten core dumps before. 
+  This change has been done in the following classes:
+
+    QAccel QApplication QBuffer QButton QButtonGroup QCheckBox QClipboard
+    QComboBox QConnection QDataStream QDialog QFile QFileDialog QFrame
+    QGroupBox QIODevice QImageIO QLCDNumber QLabel QLineEdit QListBox
+    QMenuBar QMenuData QMenuItem QMessageBox QMetaObject QObject
+    QPSPrinter QPaintDevice QPainter QPicture QPopupMenu QPrintDialog
+    QPrinter QPushButton QRadioButton QRangeControl QScrollBar QSignal
+    QSocketNotifier QTableView QTextStream QTimer QWidget QWindow
+
+  The other classes all have sensible copy constructors and operators=.
+
+QDate:
+------
+  These were protected, now private:
+	static const char *monthNames[];
+ 	static const char *weekdayNames[];
+	uint  	 jd;
+
+QListBox:
+---------
+  The internals of QListBox are completely reworked. Definition of custom
+  QListBoxItems is now much easier. This is *not* compatible with the old
+  way of defining custom QLBItems. See the QListBoxItem documentation for
+  details.
+
+QTime:
+------
+  This was protected, now private:
+	uint   ds;
+
+*************** Type changes that might generate warnings: *****************
+
+none
+
+*****************         Obsoleted functions         **********************
+
+none
+
+***************** All other changes from 0.96 to 0.98 **********************
+
+moc:
+----
+  Moc previously gave a syntax error when the word "class" was found
+  in a string outside a class declaration. This bug has now been
+  fixed.
+
+  More moc arguments, check the manpage for details.
+
+QFont:
+------
+  Two new convenience functions; bold() and setBold().
+
+QLabel:
+-------
+  setMargin() and margin() are new. setMargin() specifies a minimum margin
+  when the label contents are justified.
+
+QWidget:
+--------
+  You can specify a custom widget frame for top level widgets, including
+  no frame at all. See the widget constructor doc. for details.
+
+  Qt now has enter and leave events. Reimplement the virtual functions  
+  void enterEvent( QEvent * ) and void leaveEvent( QEvent * ) to receive
+  events when the mouse cursor leaves or enters the visible part of the
+  widget.
+