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From: | Stefan Monnier |
Subject: | Re: [Emacs-diffs] master c66aaa6: Recomplexify ‘delete-trailing-whitespace’ by treating \n as whitespace again |
Date: | Wed, 15 Mar 2017 07:28:26 -0400 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) |
> Recomplexify ‘delete-trailing-whitespace’ by treating \n as > whitespace again > > Mostly reverts "Simplify ‘delete-trailing-whitespace’ by not treating > \n as whitespace" from 2016-07-04. Setting \n to non-whitespace > causes the regex engine to backtrack a lot when searching for > "\\s-+$" (Bug#26079). Why do we use syntax-tables? IOW why do we use \s- rather than something like [\s\t]? Stefan
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