OP_END_LINE      1479 regcomp.c        case ANCHOR_END_LINE:       r = add_opcode(reg, OP_END_LINE);       break;
OP_END_LINE      6195 regcomp.c        { OP_END_LINE,            "end-line",        ARG_NON },
OP_END_LINE      2402 regexec.c          CASE(OP_END_LINE)  MOP_IN(OP_END_LINE);