| <?xml version="1.0"?> | |
| <!DOCTYPE note [ | |
| <!ELEMENT note (to,from,heading,body)> | |
| <!ELEMENT to (#PCDATA)> | |
| <!ENTITY writer "Albert Einstein"> | |
| <!ENTITY author "Albert Einstein"> | |
| <!ENTITY test SYSTEM "test.txt"> | |
| <!ENTITY % test2 "test2"> | |
| <!ENTITY author "author"> | |
| ]> | |
| <note> | |
| <to>&writer;</to> | |
| </note> |