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I'm looking for an Emacs package or configuration that makes it possible to mark indentations with vertical lines, like those shown in the following screenshot of Sublime Text:

Sublime Text 2

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2 Answers 2

up vote 4 down vote accepted

I guess this and this could be an answer to your question.

Installation is easy. Invoke git clone git@github.com:antonj/Highlight-Indentation-for-Emacs.git . in, say, ~/.emacs.d/highlight-indents and add

(add-to-list 'load-path "~/.emacs.d/packages/highlight-indents/")
(require 'highlight-indentation)

to your .emacs. Then, when visiting a file you can M-x highlight-indentation-mode RET to enable the minor mode.

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PERFECT. Exactly what I was looking for. Thank you! –  mfaerevaag Jun 18 '13 at 8:24
Hmm.. indent-guide highlights whole column and I'm seeking for a thin vertical lines like on screenshot in question. There is indent-hint by ran9er mentioned on wiki page, but it is not works out-of-box. Is there another solution? –  Geradlus_RU Jun 7 at 11:10

I think you may want to look at indent-guide mode. It gives indentation of code blocks dynamically when we move the cursor. Moreover, it is easy to set up your favorite indent characters like : and | as well as the background color of intentions.

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I've briefly looked at indent-guide sources and README and found no way to set up indentation character, how can I do that? –  Geradlus_RU Jun 10 at 9:59

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