<!-- Focus of this test: layout element, attribute variations -->
<!-- Invalid comment line -->

<?XML version="1.0" ?>
<!DOCTYPE SMIL PUBLIC "-//W3C//DTD SMIL 2.0 Basic//EN"
"http://www.w3.org/TR/REC-smil/2000/SMIL20Basic.dtd">

<smil xmlns="http://www.w3.org/TR/REC-smil/2000/SMIL20/Basic">
<doc a1="&#123:"></doc>
</smil>
