自定义.emacs文件损坏了我的Meta键

Question

我已经自定义了我的.emacs文件，但只能打破我的Meta键。像M-x这样的击键现在没有定义。这里是我的.emacs：

(setq default-major-mode 'text-mode) 
(setq column-number-mode t) 

;; haskell support 
(load "/usr/local/lib/haskell-mode-2.8.0/haskell-site-file") 
(add-hook 'haskell-mode-hook 'turn-on-haskell-doc-mode) 
(add-hook 'haskell-mode-hook 'turn-on-haskell-indentation) 

;; key bindings 
(global-set-key "\C-xl" 'goto-line) 
(global-set-key "\C-xc" 'goto-char) 
(global-set-key "\C-x?" 'help-command) 
(global-set-key "\C-xp" 'previous-buffer) 
(global-set-key "\C-xn" 'next-buffer) 

(global-set-key "\C-h" 'backward-char) 
(global-set-key "\C-l" 'forward-char) 
(global-set-key "\C-k" 'previous-line) 
(global-set-key "\C-j" 'next-line) 
(global-set-key "\C-b" 'backward-word) 
(global-set-key "\C-f" 'forward-word) 
(global-set-key "\C-p" 'backward-sentence) 
(global-set-key "\C-n" 'forward-sentence) 
(global-set-key "\C-[" 'beginning-of-defun) 
(global-set-key "\C-]" 'end-of-defun) 
(global-set-key "\C-[]" 'c-mark-function) 

我在哪里做错了？

最新通报：
我不知道为什么，但是当我注释掉最后三行Meta键正常工作。

Answer 1

问题是与这一行：

 
(global-set-key "\C-[" 'beginning-of-defun) 

击中Control-[相同按压退出键，其可以被用作元密钥（例如ESC x相同M-x），所以该键绑定打破了元键。