Dr. Arne Babenhauserheide writes: > Sometimes when I use org-capture to create a new headline, that headline > ends with a non-empty partial line that isn’t terminated by a newline. > > This causes the next headline to be corrupted, because the * is appended > to the last line of the new entry.
I believe this issue has already been resolved on the master branch. There have been a few bug reports and commits in this area; I think 6882478ca (capture: Fix org-capture-place-entry narrow bounds, 2020-05-29) is the most recent fix.