ONIGENC_CTYPE_LOWER 1414 encoding.c     int rb_islower(int c) { return ctype_test(c, ONIGENC_CTYPE_LOWER); }
ONIGENC_CTYPE_LOWER  271 include/ruby/oniguruma.h         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_LOWER)
ONIGENC_CTYPE_LOWER  796 regenc.c           { (UChar* )"Lower",  ONIGENC_CTYPE_LOWER,  5 },
ONIGENC_CTYPE_LOWER   82 regenc.h       #define BIT_CTYPE_LOWER    (1<< ONIGENC_CTYPE_LOWER)
ONIGENC_CTYPE_LOWER  183 regenc.h         ONIGENC_IS_ASCII_CODE_CTYPE(code, ONIGENC_CTYPE_LOWER))
ONIGENC_CTYPE_LOWER 3852 regparse.c       case ONIGENC_CTYPE_LOWER:
ONIGENC_CTYPE_LOWER 3928 regparse.c         { (UChar* )"lower",  ONIGENC_CTYPE_LOWER,  5 },