I'm trying to figure out why emacs is capturing C-; as C-_. I checked it using log-commands but also in a completely clean configuration I can open a file and it says "No further undo information" when I press it.

I'm using an abnt2 layout keyboard. Maybe that's it? How do I fix it?

  • 1
    Are you using the terminal? Different terminals are known to have some issues with certain key bindings. Try using the graphical emacs and see if the same problem occurs. – GJStein Jul 16 '15 at 13:58
  • Take a look at this SO answer for more details on terminal incompatibilities. Hopefully it will set you along the right path. – GJStein Jul 16 '15 at 13:59
  • Yes, are you using terminal mode (emacs -nw)? And do you see the problem when you start Emacs without your init file (emacs -Q or emacs -Q -nw)? – Drew Jul 16 '15 at 14:18
  • On what operating system? In what environment (graphical or terminal)? If it's a terminal, with which terminal emulator? What about other C-character combinations? – Gilles 'SO- stop being evil' Jul 16 '15 at 20:35
  • I'm using terminal Emacs through a ssh connection using Putty. Yeah, I know, weird working conditions. Turns out it's a terminal limitation. I wonder what can be done in this case? – Leandro M Barbosa Jul 20 '15 at 12:41

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