QML Text ignores fontSizeMode setting if textFormat is Text.RichText

import QtQuick 2.5
import QtQuick.Window 2.0

Window {
    visible: true
    width: 400
    height: 100

    Text {
        anchors.fill: parent;
        text: "This string not fit into area";
        minimumPointSize: 10;
        font.pointSize: 72;
        fontSizeMode: Text.Fit;
        textFormat: Text.RichText;
    }
}