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/*!
    \group modules
    \title Qt's Modules
    \startpage index.html Qt Reference Documentation
    \nextpage QtCore

    Qt 4 consists of several modules, each of which lives in a
    separate library.

    \table 80%
    \row \o \l{QtCore} \o Core non-GUI classes used by other modules
    \row \o \l{QtGui} \o Graphical user interface components
    \row \o \l{QtNetwork} \o Classes for network programming
    \row \o \l{QtOpenGL} \o OpenGL support classes
    \row \o \l{QtSql} \o Classes for database integration using SQL
    \row \o \l{QtScript} \o Classes for evaluating Qt Scripts
    \row \o \l{QtSvg} \o Classes for displaying the contents of SVG files
    \row \o \l{QtXml} \o Classes for handling XML
    \row \o \l{QtXmlPatterns} \o An XQuery & XPath engine for XML and custom data models
    \row \o \l{QtDesigner} \o Classes for extending \QD
    \row \o \l{QtUiTools} \o Classes for handling \QD forms in applications
    \row \o \l{QtHelp} \o Classes for online help    
    \row \o \l{QtAssistant} \o Support for online help
    \row \o \l{Qt3Support} \o Qt 3 compatibility classes
    \row \o \l{QtTest} \o Tool classes for unit testing
    \endtable

    The following extension modules are available in the \l{Qt
    Commercial Editions} on Windows:

    \table 80%
    \row \o \l{QAxContainer} \o Extension for accessing ActiveX controls
    \row \o \l{QAxServer} \o Extension for writing ActiveX servers
    \endtable

    The following extension module is available in all \l {Qt Editions}
    on Unix platforms:

    \table 80%
    \row \o \l{QtDBus} \o Classes for Inter-Process Communication using the D-Bus
    \endtable

    If you use \l qmake to build your projects, the QtCore and QtGui
    modules are included by default. To link only against QtCore, add
    the following line to your \c .pro file:

    \code
        QT -= gui
    \endcode

    On Windows, if you do not use \l qmake or the \l{Visual Studio Integration}
    available to \l{Qt Commercial Editions}{commercial licensees}, you also
    need to link against the \c qtmain library.

    \sa {Qt's Classes}
*/
