bug#46908: 28.0.50; Dozens of spurious markers in buffer-undo-list

[Richard Stallman]

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  > But actually that doesn't help, markers pointing to nowhere are not
  > removed from buffer-undo-list by garbage-collect.

Does undo ever need to relocate a marker that points to nowhere?  I
think it doesn't, so I think it would be ok for GC to delete them.

Undo could also delete them.

-- 
Dr Richard Stallman
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)