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Add a .dir-locals.el that configures emacs' treatment of tabs.

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The Haskell code uses tabs for indentation, and displays well with
tab-width set to 2.  So, I created a .dir-locals.el (applies to all
files opened in emacs at or below ./), which sets 'tab-width' to 2,
turns on 'indent-tabs-mode', and highlights leading spaces in
'haskell-mode'.
This commit is contained in:
Nathan Collins 2012-06-10 02:11:40 -07:00
parent 6c8507ee1b
commit 4453351ca4
1 changed files with 22 additions and 0 deletions
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;; Configure emacs' treatment of tabs.
;;
;; See
;; https://www.gnu.org/software/emacs/manual/html_node/emacs/Directory-Variables.html
;; for a description of this file.
;;
;; The 'nil' below applies to all modes.
((nil . ((indent-tabs-mode . t)
(tab-width . 2)))
(haskell-mode . (
;; Highlight leading space characters, to avoid indenting with
;; spaces.
;;
;; Emacs will prompt you about this, saying it's unsafe, but
;; you can permanently store an exception by pressing "!",
;; which inserts
;;
;; (safe-local-variable-values . (quote ((eval highlight-regexp "^ *"))))
;;
;; in your ~/.emacs ... except the exception doesn't work, and
;; emacs still asks you on each file you open :P
(eval . (highlight-regexp "^ *")))))