// Hack for letting QDom know where the skipped entity occurred
// ### Qt5: the use of this variable means the code isn't reentrant.
bool qt_xml_skipped_entity_in_content;
...
QXmlInputSource::~QXmlInputSource()
{
    // ### Qt 5: close the input device. See task 153111
#ifndef QT_NO_TEXTCODEC
    delete d->encMapper;
#endif
    delete d;
}
...
bool QXmlSimpleReader::feature(const QString& name, bool *ok) const
{
    const QXmlSimpleReaderPrivate *d = d_func();

    // Qt5 ###: Change these strings to qt.nokia.com
    if (ok != 0)
        *ok = true;
    if (name == QLatin1String("http://xml.org/sax/features/namespaces")) {
        return d->useNamespaces;
    } else if (name == QLatin1String("http://xml.org/sax/features/namespace-prefixes")) {
        return d->useNamespacePrefixes;
    } else if (name == QLatin1String("http://trolltech.com/xml/features/report-whitespace-only-CharData")) { // Shouldn't change in Qt 4
        return d->reportWhitespaceCharData;
    } else if (name == QLatin1String("http://trolltech.com/xml/features/report-start-end-entity")) { // Shouldn't change in Qt 4
        return d->reportEntities;
    } else {
        qWarning("Unknown feature %s", name.toLatin1().data());
        if (ok != 0)
            *ok = false;
    }
    return false;
}
...
void QXmlSimpleReader::setFeature(const QString& name, bool enable)
{
    Q_D(QXmlSimpleReader);
    // Qt5 ###: Change these strings to qt.nokia.com
    if (name == QLatin1String("http://xml.org/sax/features/namespaces")) {
        d->useNamespaces = enable;
    } else if (name == QLatin1String("http://xml.org/sax/features/namespace-prefixes")) {
        d->useNamespacePrefixes = enable;
    } else if (name == QLatin1String("http://trolltech.com/xml/features/report-whitespace-only-CharData")) { // Shouldn't change in Qt 4
        d->reportWhitespaceCharData = enable;
    } else if (name == QLatin1String("http://trolltech.com/xml/features/report-start-end-entity")) { // Shouldn't change in Qt 4
        d->reportEntities = enable;
    } else {
        qWarning("Unknown feature %s", name.toLatin1().data());
    }
}
...
bool QXmlSimpleReader::hasFeature(const QString& name) const
{
    // Qt5 ###: Change these strings to qt.nokia.com
    if (name == QLatin1String("http://xml.org/sax/features/namespaces")
        || name == QLatin1String("http://xml.org/sax/features/namespace-prefixes")
        || name == QLatin1String("http://trolltech.com/xml/features/report-whitespace-only-CharData") // Shouldn't change in Qt 4
        || name == QLatin1String("http://trolltech.com/xml/features/report-start-end-entity")) { // Shouldn't change in Qt 4
        return true;
    } else {
        return false;
    }
}

    // ### Qt 5: Conform to SAX by adding elementDecl