<!doctype doc [
<!shortref map "]" RBR "[" LBR>
<!entity LBR  CDATA "<LBR>">
<!entity RBR  CDATA "<RBR>">
<!element doc - - any>
<!usemap map doc>
]>
<doc>
[foo<![INCLUDE [This should be included.]]>bar]]]
</doc>
