| <!DOCTYPE doc [ | |
| <!ELEMENT doc (a?, (b, c?, d?)?, (e | f | g)*, (h+ | i | j+))> | |
| <!ELEMENT a EMPTY> | |
| <!ELEMENT b EMPTY> | |
| <!ELEMENT c EMPTY> | |
| <!ELEMENT d EMPTY> | |
| <!ELEMENT e EMPTY> | |
| <!ELEMENT f EMPTY> | |
| <!ELEMENT g EMPTY> | |
| <!ELEMENT h EMPTY> | |
| <!ELEMENT i EMPTY> | |
| <!ELEMENT j EMPTY> | |
| ]> | |
| <doc> | |
| <i/> | |
| </doc> |