Your message dated Sat, 09 Jul 2011 18:32:03 -0400 with message-id and subject line Re: bug#6307: 24.0.50; When I use C-x C-x, the blue region disappears has caused the GNU bug report #6307, regarding 24.0.50; When I use C-x C-x, the blue region disappears to be marked as done. (If you believe you have received this mail in error, please contact help-debbugs@gnu.org.) -- 6307: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6307 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems