Your bug report

#24323: "regcomp.c", line 467: error: syntax error before or at: preg

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 24323@debbugs.gnu.org.

-- 
24323: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=24323
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems