grammer_scm 1902 src/extlib.c ScmObj grammer_scm; grammer_scm 1918 src/extlib.c if (SCM_NULLP(SCM_OPTARGS)) grammer_scm = SCM_UNBOUND; grammer_scm 1920 src/extlib.c grammer_scm = SCM_CAR(SCM_OPTARGS); grammer_scm 1923 src/extlib.c grammer = (grammer_scm);