ONIGENC_CTYPE_NEWLINE  261 include/ruby/oniguruma.h         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_NEWLINE)
ONIGENC_CTYPE_NEWLINE   76 regenc.h       #define BIT_CTYPE_NEWLINE  (1<< ONIGENC_CTYPE_NEWLINE)