+
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The Qt version 2.x series is not binary compatible with the 1.x+
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series. This means programs compiled with Qt version 1.x must be+
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recompiled to work with Qt 2.0.+
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+
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Qt 2.0 is mostly, but not completely, source compatible with Qt 1.x.+
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See the document "Porting from Qt 1.x to Qt 2.0" in the Online+
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Reference Documentation for information on how to port an existing+
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Qt 1.x-based program to Qt 2.0.+
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+
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+
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****************************************************************************+
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* 			     New classes				   *+
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****************************************************************************+
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+
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+
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* Support for generalized configrable styles:+
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+
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    QStyle and subclasses+
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+
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* Support for international software development:+
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+
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    QTranslator and the QObject::tr() function+
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    QTextCodec (and subclasses)+
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    QString - a Unicode string+
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    QChar - a Unicode character+
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+
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* Convenient and powerful new collection classes:+
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    QMap<Key,Type> - QDict with arbitrary keys+
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    QValueList<Type> - QList of types other than pointers+
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    QStringList - QValueList<QString> with helper functions+
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+
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* Dialogs+
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    QColorDialog - user picks a color+
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    QFontDialog - user picks a font+
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    QWizard - framework for leading users through steps+
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+
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* Layout+
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    QGrid/QHBox/QVBox - grid and boxes of widgets automatically assembled+
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    QHGroupBox/QVGroupBox - easy framed groups of widgets+
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+
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* PNG Support+
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    PNG support is always compiled into Qt+
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+
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* Rich Text+
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    QTextView - formatted text and images+
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    QTextBrowser - navigate formatted text and images+
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    QStyleSheet - define your own XML formatting tags+
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    QSimpleRichText - display rixh text anywhere+
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+
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* Session management+
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    QSessionManager - safe state when system shuts down+
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+
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+
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****************************************************************************+
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* 	              Major changes in existing classes			   *+
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****************************************************************************+
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+
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QString is now 16-bit Unicode. +
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+
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QPoint, QPointArray, QSize and QRect now have 32-bit coordinates.+
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