Your bug report

#27968: 26.0.50; dired-revert: Saved positions might change if a dired header changes

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 27968@debbugs.gnu.org.

-- 
27968: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=27968
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems