SCM_SYM_REP_WHILE  816 src/regexp.c               return Scm_Cons(Scm_Cons(SCM_SYM_REP_WHILE, repbody), tail);
SCM_SYM_REP_WHILE 1116 src/regexp.c       if (SCM_EQ(type, SCM_SYM_REP_WHILE)) {
SCM_SYM_REP_WHILE 1555 src/regexp.c           || SCM_EQ(type, SCM_SYM_REP_WHILE)) {