opted             796 src/regexp.c       ScmObj elt, tail, etype, opted;
opted             818 src/regexp.c           if (SCM_EQ(repbody, SCM_CDR(elt))) opted = elt;
opted             819 src/regexp.c           else opted = Scm_Cons(SCM_SYM_REP, repbody);
opted             821 src/regexp.c           opted = rc2_optimize(elt, rest);
opted             823 src/regexp.c       if (SCM_EQ(elt, opted) && SCM_EQ(tail, SCM_CDR(seq))) return seq;
opted             824 src/regexp.c       else return Scm_Cons(opted, tail);