From: Tom Tromey <tom@tromey.com>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: help-gnu-emacs@gnu.org
Subject: Re: `looking-back' strange warning
Date: Fri, 02 Oct 2015 13:08:06 -0600 [thread overview]
Message-ID: <87io6pxf55.fsf@tromey.com> (raw)
In-Reply-To: <jwvk2r6f7qs.fsf-monnier+gmane.emacs.help@gnu.org> (Stefan Monnier's message of "Thu, 01 Oct 2015 20:15:23 -0400")
>>>>> "Stefan" == Stefan Monnier <monnier@iro.umontreal.ca> writes:
Stefan> You can pass (point-min) for the limit if that's what you want.
Stefan> Making it optional Encourages people to think that looking-at is just
Stefan> like looking-back, with the same performance characteristic, whereas
Stefan> making it mandatory encourages people to put a reasonable limit and
Stefan> hence avoid pathological behavior at the end of large buffers.
It could be made faster by reversing the regexp, then adding a mode to
regex.c to consider characters from the buffer in the reverse order.
Then the limit could remain optional.
Tom
next prev parent reply other threads:[~2015-10-02 19:08 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-30 8:25 `looking-back' strange warning Andreas Röhler
2015-10-01 6:20 ` Michael Heerdegen
2015-10-01 6:25 ` Tassilo Horn
2015-10-01 6:50 ` Dmitry Gutov
2015-10-01 7:49 ` Andreas Röhler
2015-10-01 8:20 ` Tassilo Horn
2015-10-01 8:46 ` Andreas Röhler
2015-10-01 9:29 ` Tassilo Horn
2015-10-02 0:10 ` Stefan Monnier
2015-10-02 15:21 ` Tassilo Horn
2015-10-01 16:00 ` Drew Adams
2015-10-01 17:56 ` Dmitry Gutov
2015-10-01 18:24 ` Andreas Röhler
2015-10-01 18:59 ` Dmitry Gutov
2015-10-01 19:55 ` Andreas Röhler
2015-10-01 20:26 ` Dmitry Gutov
2015-10-02 0:15 ` Stefan Monnier
2015-10-02 1:18 ` Michael Heerdegen
2015-10-02 5:13 ` Drew Adams
2015-10-02 20:28 ` Drew Adams
2015-10-02 20:59 ` Tassilo Horn
2015-10-02 21:35 ` Drew Adams
2015-10-03 6:26 ` Tassilo Horn
2015-10-03 6:45 ` Andreas Röhler
2015-10-03 15:20 ` Drew Adams
2015-10-03 15:17 ` Drew Adams
2015-10-02 1:19 ` Michael Heerdegen
2015-10-02 5:12 ` Drew Adams
2015-10-02 6:16 ` Andreas Röhler
2015-10-02 6:36 ` Michael Heerdegen
2015-10-02 12:46 ` Stefan Monnier
2015-10-02 15:02 ` Drew Adams
2015-10-02 19:08 ` Tom Tromey [this message]
2015-10-02 19:33 ` Stefan Monnier
2015-10-03 18:11 ` Stefan Monnier
[not found] ` <mailman.176.1443721449.16064.help-gnu-emacs@gnu.org>
2015-10-01 18:50 ` Barry Margolin
[not found] ` <<barmar-D40496.14502501102015@88-209-239-213.giganet.hu>
2015-10-01 23:42 ` Drew Adams
2015-10-02 0:12 ` Stefan Monnier
2015-10-02 5:10 ` Drew Adams
2015-10-02 12:48 ` Stefan Monnier
2015-10-02 15:03 ` Drew Adams
2015-10-02 15:21 ` Stefan Monnier
2015-10-02 15:24 ` Drew Adams
2015-10-02 19:28 ` Stefan Monnier
2015-10-01 12:35 ` Artur Malabarba
[not found] <<560B9C7F.2060301@easy-emacs.de>
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