使用emacs时候，去掉ubuntu的alt键默认功能

原文地址：http://askubuntu.com/questions/133776/how-can-i-disable-alt-for-search


You can easily change the hotkey for the HUD by going to System Settings --> Keyboard --> Short-cuts as in the following picture :

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Note that: Clicking ALT fast , shows the HUD. But When you click and hold you can use it easily for another function. I use ALT without any problems.