unicode_iconv_combine 2388 ext/nkf/nkf-utf8/nkf.c     return unicode_iconv_combine(wc, wc2);
unicode_iconv_combine 2445 ext/nkf/nkf-utf8/nkf.c     return unicode_iconv_combine(wc, wc2);
unicode_iconv_combine 2526 ext/nkf/nkf-utf8/nkf.c     return unicode_iconv_combine(wc, wc2);