GNU bug report logs - #63201
`scroll-margin' sometimes doesn't work

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Package: emacs;

Reported by: Shynur Xie <one.last.kiss <at> outlook.com>

Date: Mon, 1 May 2023 10:51:02 UTC

Severity: normal

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Shynur Xie <one.last.kiss <at> outlook.com>
To: 63201 <at> debbugs.gnu.org
Subject: bug#63201: `scroll-margin' sometimes doesn't work
Date: Mon, 1 May 2023 10:45:11 +0000

`scroll-margin' sometimes doesn't work

1. emacs -Q
2. In buffer *scratch*, C-x C-e:
    (progn
      (custom-set-variables
       '(custom-enabled-themes '(modus-vivendi))
       '(global-tab-line-mode t)
       '(scroll-margin 1)
       '(scroll-conservatively 101))
      (info-emacs-manual)
      (end-of-buffer)
      (goto-line 500))
3. With the cursor now at the 2nd line from the top of the window,
   press <up>-arrow-key several times and pay attention to resulting
   cursor position -- `scroll-margin' is 1 but Emacs still sometimes
   allows the cursor to stay at the 1st line of the window.

I uploaded a GIF at <https://emacs.stackexchange.com/questions/76649>
to show this behavior.

--
shynur
This bug report was last modified 2 years and 16 days ago.

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