Your bug report

#21604: grep doesn't match diacritical chars in ISO-8859 files

which was filed against the grep package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 21604@debbugs.gnu.org.

-- 
21604: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=21604
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems