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Adding Web Browser Keys to Emacs
Xah Lee, 2010-12-20
Emacs has extensive documentation. The doc format is called “info”, and is a tree structure, very similar to how you browse a website.
To view the complete documentation index, press 【Ctrl+h i】. Once you are in the Info doc, you can use the mouse to navigate, or using keyboard.
Here's the most important navigation keys:
|Purpose||Emacs Key||Web Browser key|
|Back||l||Backspace or 【Alt+←】|
|Forward||r||【Shift+Backspace】 or 【Alt+→】|
|Focus on Next Link||Tab||Tab|
Web browsers use the Backspace for moving to last viewed page and 【Shift+Backspace】 for moving forward. If you have 5 button mouse, by default the 4th and 5th button also works. (【Alt+←】 and 【Alt+→】 also works.)
These keys don't work in emacs. If you use emacs in a graphical window, using the mouse's 4th and 5th button are quite convenient. Here's how to add to emacs. Put the following in your emacs init file.
(defun browser-nav-keys () "Add some browser styled nav keys for Info-mode. The following keys and mouse buttons are added: 【Backspace】 and <mouse-4> for `Info-history-back' 【Shift+Backspace】 and <mouse-5> for `Info-history-forward'." (local-set-key (kbd "<backspace>") 'Info-history-back) (local-set-key (kbd "<S-backspace>") 'Info-history-forward) (local-set-key (kbd "<mouse-4>") 'Info-history-back) (local-set-key (kbd "<mouse-5>") 'Info-history-forward) ) (add-hook 'Info-mode-hook 'browser-nav-keys)