<xliff version='1.2'
       xmlns='urn:oasis:names:tc:xliff:document:1.2'>
    <file original='hello.txt' source-language='en' target-language='fr'
          datatype='plaintext'>
        <body>
            <trans-unit id='hi'>
                <source>Hello world</source>
                <target>Bonjour le monde</target>
                <alt-trans>
                    <target xml:lang='es'>Hola mundo</target>
                </alt-trans>
            </trans-unit>
        </body>
    </file>
</xliff>