qt-everywhere-src-5.14.1/qtdeclarative/tests/manual/scenegraph_lancelot/data/text/text_underline_multisize.qml

import QtQuick 2.0

Item {
    width: 320
    height: 480

    Text {
        anchors.centerIn: parent
        font.family: "Arial"
        font.pixelSize: 10
        font.underline: true
        textFormat: Text.RichText
        text: "Lorem ipsum <font size=14>dolor sit amet</font>, consectetur."
    }
}