<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/12/17/setting-tracking-on-a-textbox-object-in-flex-gumbo/ -->
<Application name="TextBox_trackingLeft_test"
        xmlns="http://ns.adobe.com/mxml/2009"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <Style>
        TextBox {
            trackingLeft: 10;
            trackingRight: 20;
            textAlign: "justify";
            textJustify: "interWord";
            fontSize: 16;
        }
    </Style>

    <Box backgroundColor="haloSilver" backgroundAlpha="0.4">
        <Graphic>
            <TextBox id="textBox"
                    text="The quick brown fox jumps over the lazy dog."
                    width="400" />
        </Graphic>
    </Box>

</Application>