NODE_OPT_ARG      462 ext/objspace/objspace.c 		COUNT_NODE(NODE_OPT_ARG);
NODE_OPT_ARG      890 node.c               case NODE_OPT_ARG:
NODE_OPT_ARG     1100 node.c               case NODE_OPT_ARG:
NODE_OPT_ARG      426 node.h         #define NEW_OPT_ARG(i,v) NEW_NODE(NODE_OPT_ARG,i,v,0)