<?xml version="1.0" standalone="yes"?>

<!DOCTYPE any [
<!ELEMENT any ANY>
<!ENTITY e1 SYSTEM "abc" NDATA n1>
<!ENTITY % declare_e2 '<!ENTITY e2 SYSTEM "def" NDATA n2>'>
%declare_e2;
<!ENTITY % declare_e3 SYSTEM "067.ent">
%declare_e3;
<!ELEMENT el EMPTY>
<!ATTLIST el att1 ENTITY "e1"
             att2 ENTITY "e2"
             att3 ENTITY "e3"
>
]>

<any>
  <any><el att1="e1" att2="e1" att3="e1"/></any>
  <any><el att2="e1" att3="e1"/></any>
  <any><el att3="e1"/></any>
  <any><el/></any>
</any>

