Your message dated Tue, 29 Mar 2011 17:53:19 -0700 with message-id <4D927EFF.1080308@cs.ucla.edu> and subject line fix merged to trunk has caused the GNU bug report #8344, regarding (substring ...) crashes on large vectors to be marked as done. (If you believe you have received this mail in error, please contact help-debbugs@gnu.org.) -- 8344: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8344 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems