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bug#58342: 29.0.50; noverlay branch is O(N) for important calls


From: Drew Adams
Subject: bug#58342: 29.0.50; noverlay branch is O(N) for important calls
Date: Sat, 8 Oct 2022 17:24:25 +0000

> For the potential performance problem with next-overlay-change to appear
> you need overlays to overlap, so not something like linum or nhexl-mode.

Which is why I mentioned zones.el.

And I don't expect it to be alone in this.
Overlays can be anywhere.





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