<!DOCTYPE svg [
<!ATTLIST p attrExtEnt ENTITY #IMPLIED>
<!ENTITY ent1 "Hello">
<!ENTITY ent2 SYSTEM "world.txt">
<!ENTITY entExt SYSTEM "earth.gif" NDATA gif>
<!NOTATION gif SYSTEM "viewgif.exe">
<!ENTITY svgunit SYSTEM "svgunit.js">
<!ENTITY svgtest SYSTEM "svgtest.js">
]>
<svg xmlns="http://www.w3.org/2000/svg"><rect x="0" y="0" width="100" height="100" fill="blue"/><script type="text/ecmascript">&svgtest;&svgunit;</script><body xmlns='http://www.w3.org/1999/xhtml'>
<p attrExtEnt="entExt">
&ent1;, &ent2;!
</p></body></svg>
<!-- Let world.txt contain "world" (excluding the quotes) -->
