SCM_CLASS_KEYWORD 3003 src/class.c        CINIT(SCM_CLASS_KEYWORD,          "<keyword>");
SCM_CLASS_KEYWORD 1938 src/gauche.h   #define SCM_KEYWORDP(obj)       SCM_XTYPEP(obj, SCM_CLASS_KEYWORD)
SCM_CLASS_KEYWORD   73 src/keyword.c          SCM_SET_CLASS(k, SCM_CLASS_KEYWORD);