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Re: [Emacs-diffs] master c66aaa6: Recomplexify ‘delete-trailing-whitespa
From: |
Noam Postavsky |
Subject: |
Re: [Emacs-diffs] master c66aaa6: Recomplexify ‘delete-trailing-whitespace’ by treating \n as whitespace again |
Date: |
Wed, 15 Mar 2017 08:09:14 -0400 |
On Wed, Mar 15, 2017 at 7:28 AM, Stefan Monnier
<address@hidden> wrote:
>> 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-+$" (Bug#26079).
>
> Why do we use syntax-tables?
> IOW why do we use \s- rather than something like [\s\t]?
No clue. But (re-search-forward "[\s\t]+$" nil t) is also slow.
- Re: [Emacs-diffs] master c66aaa6: Recomplexify ‘delete-trailing-whitespace’ by treating \n as whitespace again, Stefan Monnier, 2017/03/15
- Re: [Emacs-diffs] master c66aaa6: Recomplexify ‘delete-trailing-whitespace’ by treating \n as whitespace again,
Noam Postavsky <=
- Re: [Emacs-diffs] master c66aaa6: Recomplexify ‘delete-trailing-whitespace’ by treating \n as whitespace again, Stefan Monnier, 2017/03/15
- Re: [Emacs-diffs] master c66aaa6: Recomplexify ‘delete-trailing-whitespace’ by treating \n as whitespace again, Noam Postavsky, 2017/03/15
- Re: [Emacs-diffs] master c66aaa6: Recomplexify ‘delete-trailing-whitespace’ by treating \n as whitespace again, Stefan Monnier, 2017/03/15
- Re: [Emacs-diffs] master c66aaa6: Recomplexify ‘delete-trailing-whitespace’ by treating \n as whitespace again, Noam Postavsky, 2017/03/15
- Re: [Emacs-diffs] master c66aaa6: Recomplexify ‘delete-trailing-whitespace’ by treating \n as whitespace again, Stefan Monnier, 2017/03/15
- Re: [Emacs-diffs] master c66aaa6: Recomplexify ‘delete-trailing-whitespace’ by treating \n as whitespace again, Noam Postavsky, 2017/03/15
- Re: [Emacs-diffs] master c66aaa6: Recomplexify ‘delete-trailing-whitespace’ by treating \n as whitespace again, Stefan Monnier, 2017/03/15