Your bug report

#59996: 30.0.50; Overlays section of Elisp manual still states that overlays scale linearly

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 59996@debbugs.gnu.org.

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59996: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=59996
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