On Tue, 23 Aug 2022 16:13:27 +0300 Eli Zaretskii wrote: > >> From: Erik van Zwol >> Date: Sun, 21 Aug 2022 22:03:29 -0600 >> >> starting from 'emacs -Q': >> Toggle-truncate-lines (so that long lines are truncated) >> Evaluate the following: >> (setq auto-hscroll-mode 'current-line) >> (setq hscroll-margin 5) >> (setq hscroll-step 1) >> Insert enough text such that the line starts to hscroll >> On the line directly below, insert enough text to fill about half the >> width of the frame >> Move point to the long line near the end (must be hscrolling the single >> line) >> Move point down to the next line, it should hscroll even though it does >> not need to >> See the animated gifs on this post: >> https://www.reddit.com/r/emacs/comments/wgef0b/looking_for_better_alternative_to_autohscrollmode/ >> >> I have attached a patch that I think fixes the issue. Please tell me >> how to proceed, and what other information you need. > > Thanks. > > I feel there's something else at work here, because if you move the > cursor up instead of down (i.e., to the previous instead of the next > line), the problem doesn't happen. I see the same hscrolling when moving to the next and to the previous line, both the same length (too short for hscrolling), see the attached screenshots. Steve Berman