internalSubset
= ((state)->documentEntity ? internalSubset : externalSubset1))
# define setTopLevel(state) ((state)->handler = internalSubset)
doctype3, doctype4, doctype5, internalSubset, entity0, entity1, entity2,
state->handler = internalSubset;
state->handler = internalSubset;
return internalSubset(state, tok, ptr, end, enc);