test.qml

    /*
     * multi line comment
     */

    // single line comment

    import QtQuick 2.0

    Rectangle {
        property real myNumProp: 0.1e12;
        property alias sub.color;
        signal mySignal(int arg1, string arg2)
        color: "lightsteelblue"
        width: 320
        height: width/2

        Rectangle {
            id: sub
            width: 0x10
            height: 007
            objectName: 'single quote'
        }
    }