| <!DOCTYPE doc [ | |
| <!ATTLIST doc attrExtEnt CDATA #IMPLIED> | |
| <!ENTITY ent1 "Hello"> | |
| <!ENTITY ent2 SYSTEM "world.txt"> | |
| <!ENTITY entExt SYSTEM "earth.gif" NDATA gif> | |
| <!NOTATION gif SYSTEM "viewgif.exe"> | |
| ]> | |
| <doc attrExtEnt="entExt"> | |
| &ent1;, &ent2;! | |
| </doc> | |
| <!-- Let world.txt contain "world" (excluding the quotes) --> |