Emacs Redux

Return to the Essence of Text Editing

Use Tab to Indent or Complete

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By default in Emacs the Tab key does only indentation. If some major mode provides completion of some form, you normally have to trigger it with M-Tab. In most window managers, however, this keybinding is used to switch between open windows, which makes it a bit hard to use out of the box.

There’s a simple trick to augment the default Tab behavior. Just put this in your Emacs config:

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(setq tab-always-indent complete)

Now, when you press Tab one time it will indent and if you press it again you’ll get completion candidates. If the indentation at point is already correct you’ll get the completion candidates right away. As an added bonus - you don’t really need M-Tab anymore.

Simple and neat! One really has to wonder why this isn’t the default behavior.

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