KEYARG_after     2207 src/extlib.c   static ScmObj KEYARG_after = SCM_UNBOUND;
KEYARG_after     2219 src/extlib.c     after_scm = Scm_GetKeyword(SCM_OBJ(KEYARG_after), SCM_OPTARGS, SCM_FALSE);
KEYARG_after     6128 src/extlib.c     KEYARG_after = Scm_MakeKeyword(&KEYARG_after__NAME);