Your bug report

#11943: 24.1.50; Emacs unusably slow when looking at large files (bidi support at fault)

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

The explanation is attached below, along with your original report.
If you require more details, please reply to 11943@debbugs.gnu.org.

-- 
11943: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=11943
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems