DomDocument to XML: producing empty files

[athomas]

Hello,
I am trying to take a QDomDocument and write to a .xml. I have got so far but now I can only produce empty documents.

QDomDocument doc("MyML");
    QDomElement root = doc.createElement("MyML");
    doc.appendChild(root);
 
    QDomElement tag = doc.createElement("greetings");
    root.appendChild(tag);
 
    QDomText t = doc.createTextNode("Hello World");
    tag.appendChild(t);
 
    QString xml = doc.toString();
    cout << qPrintable(xml) << endl;
 
 
    QFile file("something.xml");
    if (!file.open(QIODevice::WriteOnly))
    {
        QTextStream TextStream(&file);
        TextStream << xml;
        file.close();
    }
 
    return 0;

QDomDocument doc("MyML");
    QDomElement root = doc.createElement("MyML");
    doc.appendChild(root);

    QDomElement tag = doc.createElement("greetings");
    root.appendChild(tag);

    QDomText t = doc.createTextNode("Hello World");
    tag.appendChild(t);

    QString xml = doc.toString();
    cout << qPrintable(xml) << endl;


    QFile file("something.xml");
    if (!file.open(QIODevice::WriteOnly))
    {
        QTextStream TextStream(&file);
        TextStream << xml;
        file.close();
    }

    return 0;

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and this produces

<!DOCTYPE MyML>
<MyML>
 <greetings>Hello World</greetings>
</MyML>

<!DOCTYPE MyML>
<MyML>
 <greetings>Hello World</greetings>
</MyML>

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any help would be much appreciated,
Thanks,
a.