Package: grep Tags: patch I found difference between dfa and regex (glibc) treatment of titlecase. In case-insensitive matching in UTF8 locale, U+01C7 (LATIN CAPITAL LETTER LJ) matches with U+01C8 (LATIN CAPITAL LETTER L WITH SMALL LETTER J on regex, but it doesn't on dfa. The patch fixes mismatch between dfa and regex for treatment of titlecase. Norihiro