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<td align="right" valign="top" width="230"></td></tr></table><h1 class="title">QDebug Class Reference<br /><span class="small-subtitle">[<a href="qtcore.html">QtCore</a> module]</span>
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</tr></table><h1 class="title">QDebug Class Reference<br /><span class="small-subtitle">[<a href="qtcore.html">QtCore</a> module]</span>
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<p>The QDebug class provides an output stream for debugging information. <a href="#details">More...</a></p>
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<pre> #include <QDebug></pre><ul>
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<li><a href="qdebug-members.html">List of all members, including inherited members</a></li>
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<a name="public-functions"></a>
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<h3>Public Functions</h3>
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<li><div class="fn"></div><b><a href="qdebug.html#QDebugx">QDebug</a></b> ( QIODevice * <i>device</i> )</li>
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<li><div class="fn"></div><b><a href="qdebug.html#QDebug-2">QDebug</a></b> ( QString * <i>string</i> )</li>
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<li><div class="fn"></div><b><a href="qdebug.html#QDebug-3">QDebug</a></b> ( QtMsgType <i>type</i> )</li>
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<li><div class="fn"></div><b><a href="qdebug.html#QDebug-4">QDebug</a></b> ( const QDebug & <i>other</i> )</li>
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<li><div class="fn"></div><b><a href="qdebug.html#dtor.QDebug">~QDebug</a></b> ()</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#maybeSpace">maybeSpace</a></b> ()</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#nospace">nospace</a></b> ()</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#space">space</a></b> ()</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt">operator<<</a></b> ( QChar <i>t</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-3">operator<<</a></b> ( bool <i>t</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-4">operator<<</a></b> ( char <i>t</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-5">operator<<</a></b> ( signed short <i>i</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-6">operator<<</a></b> ( unsigned short <i>i</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-7">operator<<</a></b> ( signed int <i>i</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-8">operator<<</a></b> ( unsigned int <i>i</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-9">operator<<</a></b> ( signed long <i>l</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-10">operator<<</a></b> ( unsigned long <i>l</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-11">operator<<</a></b> ( qint64 <i>i</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-12">operator<<</a></b> ( quint64 <i>i</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-13">operator<<</a></b> ( float <i>f</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-14">operator<<</a></b> ( double <i>f</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-15">operator<<</a></b> ( const char * <i>s</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-16">operator<<</a></b> ( const QString & <i>s</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-17">operator<<</a></b> ( const QStringRef & <i>s</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-18">operator<<</a></b> ( const QLatin1String & <i>s</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-19">operator<<</a></b> ( const QByteArray & <i>b</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-lt-lt-20">operator<<</a></b> ( const void * <i>p</i> )</li>
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<li><div class="fn"></div>QDebug & <b><a href="qdebug.html#operator-eq">operator=</a></b> ( const QDebug & <i>other</i> )</li>
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<h2>Public Functions</h2>
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<table class="alignedsummary" border="0" cellpadding="0" cellspacing="0" width="100%">
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<tr><td class="memItemLeft" align="right" valign="top"></td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#QDebugx">QDebug</a></b> ( QIODevice * <i>device</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"></td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#QDebug-2">QDebug</a></b> ( QString * <i>string</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"></td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#QDebug-3">QDebug</a></b> ( QtMsgType <i>type</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"></td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#QDebug-4">QDebug</a></b> ( const QDebug & <i>other</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"></td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#dtor.QDebug">~QDebug</a></b> ()</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#maybeSpace">maybeSpace</a></b> ()</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#nospace">nospace</a></b> ()</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#space">space</a></b> ()</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt">operator<<</a></b> ( QChar <i>t</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-3">operator<<</a></b> ( bool <i>t</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-4">operator<<</a></b> ( char <i>t</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-5">operator<<</a></b> ( signed short <i>i</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-6">operator<<</a></b> ( unsigned short <i>i</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-7">operator<<</a></b> ( signed int <i>i</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-8">operator<<</a></b> ( unsigned int <i>i</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-9">operator<<</a></b> ( signed long <i>l</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-10">operator<<</a></b> ( unsigned long <i>l</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-11">operator<<</a></b> ( qint64 <i>i</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-12">operator<<</a></b> ( quint64 <i>i</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-13">operator<<</a></b> ( float <i>f</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-14">operator<<</a></b> ( double <i>f</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-15">operator<<</a></b> ( const char * <i>s</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-16">operator<<</a></b> ( const QString & <i>s</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-17">operator<<</a></b> ( const QStringRef & <i>s</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-18">operator<<</a></b> ( const QLatin1String & <i>s</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-19">operator<<</a></b> ( const QByteArray & <i>b</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-lt-lt-20">operator<<</a></b> ( const void * <i>p</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">QDebug & </td><td class="memItemRight" valign="bottom"><b><a href="qdebug.html#operator-eq">operator=</a></b> ( const QDebug & <i>other</i> )</td></tr>
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<a name="details"></a>
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<h2>Detailed Description</h2>
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<p>Constructs a debug stream that writes to the handler for the message type specified by <i>type</i>.</p>
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<h3 class="fn"><a name="QDebug-4"></a>QDebug::QDebug ( const QDebug & <i>other</i> )</h3>
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<p>Constructs a copy of the <i>other</i> debug stream.</p>
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<a name="//apple_ref/cpp/instm/QDebug/~QDebug" />
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<h3 class="fn"><a name="dtor.QDebug"></a>QDebug::~QDebug ()</h3>
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<p>Flushes any pending data to be written and destroys the debug stream.</p>
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<a name="//apple_ref/cpp/instm/QDebug/maybeSpace" />
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<h3 class="fn"><a name="maybeSpace"></a>QDebug & QDebug::maybeSpace ()</h3>
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<p>Writes a space character to the debug stream, depending on the last character sent to the stream, and returns a reference to the stream.</p>
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<p>If the last character was a space character, this function writes a space character to the stream; otherwise, no characters are written to the stream.</p>
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<p>See also <a href="qdebug.html#space">space</a>() and <a href="qdebug.html#nospace">nospace</a>().</p>
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<a name="//apple_ref/cpp/instm/QDebug/nospace" />
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<h3 class="fn"><a name="nospace"></a>QDebug & QDebug::nospace ()</h3>
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<p>Clears the stream's internal flag that records whether the last character was a space and returns a reference to the stream.</p>
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<p>See also <a href="qdebug.html#space">space</a>() and <a href="qdebug.html#maybeSpace">maybeSpace</a>().</p>
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<a name="//apple_ref/cpp/instm/QDebug/space" />
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<h3 class="fn"><a name="space"></a>QDebug & QDebug::space ()</h3>
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<p>Writes a space character to the debug stream and returns a reference to the stream.</p>
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<p>The stream will record that the last character sent to the stream was a space.</p>
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<p>See also <a href="qdebug.html#nospace">nospace</a>() and <a href="qdebug.html#maybeSpace">maybeSpace</a>().</p>
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<a name="//apple_ref/cpp/instm/QDebug/operator<<" />
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<h3 class="fn"><a name="operator-lt-lt"></a>QDebug & QDebug::operator<< ( <a href="qchar.html">QChar</a> <i>t</i> )</h3>
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<p>Writes the character, <i>t</i>, to the stream and returns a reference to the stream.</p>
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<h3 class="fn"><a name="operator-lt-lt-3"></a>QDebug & QDebug::operator<< ( bool <i>t</i> )</h3>
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<p>Writes the byte array, <i>b</i>, to the stream and returns a reference to the stream.</p>
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<h3 class="fn"><a name="operator-lt-lt-20"></a>QDebug & QDebug::operator<< ( const void * <i>p</i> )</h3>
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<p>Writes a pointer, <i>p</i>, to the stream and returns a reference to the stream.</p>
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<a name="//apple_ref/cpp/instm/QDebug/operator=" />
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<h3 class="fn"><a name="operator-eq"></a>QDebug & QDebug::operator= ( const QDebug & <i>other</i> )</h3>
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<p>Assigns the <i>other</i> debug stream to this stream and returns a reference to this stream.</p>
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<p /><address><hr /><div align="center">
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<table width="100%" cellspacing="0" border="0"><tr class="address">
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<td width="30%" align="left">Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies)</td>
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<td width="40%" align="center"><a href="trademarks.html">Trademarks</a></td>
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<td width="30%" align="right"><div align="right">Qt 4.5.2</div></td>
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<td width="40%" align="left">Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies)</td>
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<td width="20%" align="center"><a href="trademarks.html">Trademarks</a></td>
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<td width="40%" align="right"><div align="right">Qt 4.6.0</div></td>
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