Scm_DeleteKeyword 1034 src/extlib.c   SCM_RESULT = Scm_DeleteKeyword(key, list);
Scm_DeleteKeyword 1943 src/gauche.h   SCM_EXTERN ScmObj Scm_DeleteKeyword(ScmObj key, ScmObj list);
Scm_DeleteKeyword  108 src/keyword.c              ScmObj tail = Scm_DeleteKeyword(key, SCM_CDR(SCM_CDR(cp)));