Re: [PATCH] Trim trailing whitespace in vim and emacs

From: Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>
To: Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>
Cc: David Fetter <david(at)fetter(dot)org>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [PATCH] Trim trailing whitespace in vim and emacs
Date: 2018-06-05 21:28:13
Message-ID: 87y3ftvsi1.fsf@news-spur.riddles.org.uk
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>>>>> "Peter" == Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> writes:

>> + (lambda () (add-to-list 'write-file-functions 'delete-trailing-whitespace)))))

Peter> dir-locals doesn't work this way. It's not a general lisp file.

Right. The correct approach is

+ (eval add-hook 'before-save-hook 'delete-trailing-whitespace nil t)))

(see the value of safe-local-eval-forms for why)

--
Andrew (irc:RhodiumToad)

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