r<?xml version="1.0"?>
<!DOCTYPE root 
[
<!ELEMENT root (#PCDATA)>
<!ATTLIST root att CDATA #IMPLIED>
<!--* Wrong keyword : Public in PublicID *-->
<!NOTATION JPGformat Public "-//JPG//DTD//JPGFormat">
<!ENTITY aImage SYSTEM "image.jpg" NDATA JPGformat>
]>
<root/>