Ihor Radchenko <yanta...@gmail.com> writes: > I noticed that you are using overlays in text-clone. It may potentially > cause slowdown in large Org buffers. Of course, it does not mean that > org-transclusion should not be accepted. Just something that may be > optimised.
Karl Voit (GitHub user name, novoid) gave me a comment in a similar vein regarding potential performance issues as follows: > As far as I understood: when you do have many overlays in deeply nested > headings that are collapsed and you scroll over the lines with the collapsed > headings, Emacs needs to handle those overlays and therefore is not able to > perform a simple line change without issues. Source: https://github.com/nobiot/org-transclusion/issues/42#issuecomment-739570395 I personally have never come across such performance issue. Are you aware of some good test file or something to let other people reproduce it? For now, I am inclined to keeping the use of overlays as is. It's partially because of my psychological inertia and partially because text-clone makes uses of overlay's properties: - "Evaporate" property to take care of when to finish text-clone - Yanking does not copy overlay properties to avoid accidental cloning If performance issues become more prevalent and it's something I can address within my skill set, I will be happy to review the use of overlays, of course.
