SCM_CHARSET_UPPER  823 src/char.c                 return Scm_GetStandardCharSet(SCM_CHARSET_UPPER);
SCM_CHARSET_UPPER  865 src/char.c             if (isupper(code)) MASK_SET(CS(SCM_CHARSET_UPPER), code);
SCM_CHARSET_UPPER  927 src/gauche.h       SCM_CHARSET_UPPER,