NODE_BACK_REF    2677 compile.c            case NODE_BACK_REF:
NODE_BACK_REF    2681 compile.c      		  INT2FIX((node->nd_nth << 1) | (type == NODE_BACK_REF)),
NODE_BACK_REF    4289 compile.c            case NODE_BACK_REF:{
NODE_BACK_REF    13556 ext/ripper/ripper.c       case NODE_BACK_REF:
NODE_BACK_REF    13743 ext/ripper/ripper.c       case NODE_BACK_REF:
NODE_BACK_REF    8156 ext/ripper/ripper.y       case NODE_BACK_REF:
NODE_BACK_REF    8343 ext/ripper/ripper.y       case NODE_BACK_REF:
NODE_BACK_REF    1506 gc.c           	  case NODE_BACK_REF:
NODE_BACK_REF     133 node.h             NODE_BACK_REF,
NODE_BACK_REF     134 node.h         #define NODE_BACK_REF    NODE_BACK_REF
NODE_BACK_REF     412 node.h         #define NEW_BACK_REF(n) NEW_NODE(NODE_BACK_REF,0,n,0)
NODE_BACK_REF    13488 parse.c              case NODE_BACK_REF:
NODE_BACK_REF    13675 parse.c              case NODE_BACK_REF:
NODE_BACK_REF    8156 parse.y              case NODE_BACK_REF:
NODE_BACK_REF    8343 parse.y              case NODE_BACK_REF: