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After invoking save-some-buffers, I almost always want to check the diffs with d. But when I do so, I'm not able to do any scrolling in the diff window, nor to change its size, or indeed any window's size, until I have decided whether to save the buffer or not. This makes it impossible to read all but a portion, defeating the purpose for me.

Is this the intended behavior?

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  • No, that is definitely not the intended behavior. The diff window is in view-mode where scrolling forward/backward is done with SPC/'DEL' and I can change its size (e.g. by click-dragging the mode line of the window above). I can also change the size of other windows. What happens if you do C-h in the diff window? Do you get the help prompt?
    – NickD
    Commented Oct 24, 2023 at 21:11
  • @NickD If I try to activate the diff window, it rings the bell and the minibuffer remains active. (Weird)
    – Eric Auld
    Commented Oct 26, 2023 at 3:18
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    This looks like an emacs bug, it should be possible to scroll the diff with C-M-v. If you set enable-recursive-minibuffers to t you'll end up with a diff window in view-mode.
    – rpluim
    Commented Oct 26, 2023 at 15:37
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    Ah, right - enable-recursive-minibuffers is set to t in my case.
    – NickD
    Commented Oct 27, 2023 at 1:27
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    So my testing was off, and there's no emacs bug: C-M-v scrolls the *Diff* buffer for me, but ESC C-v doesn't.
    – rpluim
    Commented Oct 27, 2023 at 9:32

1 Answer 1

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The *Diff* buffer can be scrolled up and down respectively with C-M-v and C-S-M-v. If you scroll it past its end, it will be removed from view.

Alternatively, set enable-recursive-minibuffers to t, then d will place you in the diff buffer, with view-mode enabled, which allows you to scroll with DEL and SPC.

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