ARG_OPTION       5786 regcomp.c        { OP_SET_OPTION_PUSH,     "set-option-push",      ARG_OPTION  },
ARG_OPTION       5787 regcomp.c        { OP_SET_OPTION,          "set-option",           ARG_OPTION  },
ARG_OPTION       5907 regcomp.c          case ARG_OPTION: