How to customise GNOME Terminal's context menu?

context-menu gnome-terminal customization

You are showing a picture of the default terminal emulator in Ubuntu, gnome-terminal. This terminal emulator (and many others, I believe) do not expose a user interface to change the right-click context menu. Your only option, but that is for many users not accessible, would be to edit source code and compile your custom version of the terminal emulator.

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