4453351ca4
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'.
22 lines
832 B
EmacsLisp
22 lines
832 B
EmacsLisp
;; Configure emacs' treatment of tabs.
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;;
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;; See
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;; https://www.gnu.org/software/emacs/manual/html_node/emacs/Directory-Variables.html
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;; for a description of this file.
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;;
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;; The 'nil' below applies to all modes.
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((nil . ((indent-tabs-mode . t)
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(tab-width . 2)))
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(haskell-mode . (
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;; Highlight leading space characters, to avoid indenting with
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;; spaces.
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;;
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;; Emacs will prompt you about this, saying it's unsafe, but
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;; you can permanently store an exception by pressing "!",
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;; which inserts
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;;
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;; (safe-local-variable-values . (quote ((eval highlight-regexp "^ *"))))
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;;
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;; in your ~/.emacs ... except the exception doesn't work, and
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;; emacs still asks you on each file you open :P
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(eval . (highlight-regexp "^ *")))))
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