Your bug report

#26360: 26.0.50; ido-mode doesn't enable IDO for C-x 4 d

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 26360@debbugs.gnu.org.

-- 
26360: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=26360
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems