From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Cc: Noam Postavsky <npostavs@gmail.com>
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 [thread overview]
Message-ID: <jwv7f3q3hni.fsf-monnier+emacsdiffs@gnu.org> (raw)
In-Reply-To: <20170315023159.30AA520CAB@vcs0.savannah.gnu.org> (Noam Postavsky's message of "Tue, 14 Mar 2017 22:31:58 -0400 (EDT)")
> 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
next parent reply other threads:[~2017-03-15 11:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20170315023157.29463.36647@vcs0.savannah.gnu.org>
[not found] ` <20170315023159.30AA520CAB@vcs0.savannah.gnu.org>
2017-03-15 11:28 ` Stefan Monnier [this message]
2017-03-15 12:09 ` [Emacs-diffs] master c66aaa6: Recomplexify ‘delete-trailing-whitespace’ by treating \n as whitespace again Noam Postavsky
2017-03-15 14:50 ` Stefan Monnier
2017-03-15 17:05 ` Noam Postavsky
2017-03-15 20:26 ` Stefan Monnier
2017-03-16 0:18 ` Noam Postavsky
2017-03-16 2:52 ` Stefan Monnier
2017-03-16 3:04 ` Noam Postavsky
2017-03-16 3:08 ` Stefan Monnier
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=jwv7f3q3hni.fsf-monnier+emacsdiffs@gnu.org \
--to=monnier@iro.umontreal.ca \
--cc=emacs-devel@gnu.org \
--cc=npostavs@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.