Your bug report

#29846: scroll and fontify takes longer time for file in slow network

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 29846@debbugs.gnu.org.

-- 
29846: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=29846
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems