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How can I force Emacs to keep a certain file in a particular window? For example, if I am editing a LaTeX file and there is a compile error, I want to inspect the error in another window. I essentially want to "freeze" a file in a window until I explicitly delete the window.

The expected behavior would also open up new files with C-x C-f in a different window, even if the command was initiated in my "frozen" window. Is there a way to do this?

What I want to do is something like this:

  1. With two windows open, use one to edit a file.
  2. With some command, freeze that window so that it always displays the file that I have just opened.
  3. In the "frozen" window, execute a command such as find-file (C-x C-f) to open a new file. This should open the file in the other window.
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    This is not clear, probably because you don't use the right terminology. Maybe you mean "window" instead of "buffer"? Providing a more extended explanation and an example of exactly what you are doing, what you see and what you would like to see instead, might help.
    – NickD
    Commented Jan 31, 2023 at 16:20
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    The question only makes sense if you assume that they meant window.
    – db48x
    Commented Jan 31, 2023 at 16:25
  • What @NickD said. I suspect that making the buffer's window dedicated is what you're looking for. That prevents other buffers from being displayed in that window. (set-window-dedicated-p (get-buffer-window) t)
    – Drew
    Commented Jan 31, 2023 at 16:26
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    Edited to use the correct terminology Commented Jan 31, 2023 at 16:31

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Guessing you meant window instead of buffer... Do this when the file's buffer is current:

(set-window-dedicated-p (get-buffer-window) t)

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