| <!DOCTYPE doc [ | |
| <!ELEMENT doc (src | dest)*> | |
| <!ELEMENT src EMPTY> | |
| <!ELEMENT dest EMPTY> | |
| <!ATTLIST src ref IDREF #IMPLIED> | |
| <!ATTLIST dest id ID #IMPLIED> | |
| <!ENTITY dest SYSTEM "dtds/destfoo.ent"> | |
| ]> | |
| <doc> | |
| <src ref="foo"/> | |
| &dest; | |
| <src ref="foo"/> | |
| </doc> | |