Your bug report #27555: cygwin surrogate-pair test now fails (since grep-2.22, and no one noticed) 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 27555@debbugs.gnu.org. -- 27555: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=27555 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems