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### 10.10 What if I don't have an <Escape> key?

Type `C-[` instead. This should send ASCII code 27 just like an Escape key would. `C-3` may also work on some terminal (but not under X). For many terminals (notably DEC terminals) <F11> generates <ESC>. If not, the following form can be used to bind it:

         ;; F11 is the documented ESC replacement on DEC terminals.
         (define-key function-key-map [f11] [?\e])