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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: Emacs keybindings according to file type
Date: Mon, 21 Sep 2020 17:16:40 +0300
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 (message from Christopher Dimech on Mon, 21 Sep 2020 08:46:02 +0200)
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> From: Christopher Dimech <dimech@gmx.com>
> Date: Mon, 21 Sep 2020 08:46:02 +0200
> 
> I want to set different keybinding according to the type of file I load
> into a buffer. I wonder how I can do that.

The usual way of doing this is use local-set-key in a mode hook.  Then
the key bindings will only affect the mode of that file.