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How can I reassign F3 & F4 back to Copy/Paste

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Using F3 & F4 for something other than copy/paste is like reassigning the return key to act like the delete key.

This is the one feature of Firefox that prevents me from making it my default browser. I can't even override it using the Mac OS shortcut overrides.

Any way to do this in Firefox?

Using F3 & F4 for something other than copy/paste is like reassigning the return key to act like the delete key. This is the one feature of Firefox that prevents me from making it my default browser. I can't even override it using the Mac OS shortcut overrides. Any way to do this in Firefox?