#define mDOMNodeRef_mDOMNode_option(v) ((v == Val_unit) ? NULL : (mDOMNodeRef)Field((v),0))
#define Val_mDOMNodeRef(p) (mDOMNode_option_mDOMNodeRef(p))
#define mDOMNodeRef_val(v) (mDOMNodeRef_mDOMNode_option(v))
#define mDOMNodeRef_mDOMNode_option(v) ((v == Val_unit) ? NULL : (mDOMNodeRef)Field((v),0))
#define Val_mDOMNodeRef(p) (mDOMNode_option_mDOMNodeRef(p))
#define mDOMNodeRef_val(v) (mDOMNodeRef_mDOMNode_option(v))