From: Lars Magne Ingebrigtsen <larsi@gnus.org>
Subject: Re: Pre-Processed maiil splitting under Gnus?
Date: 12 Jan 1999 18:21:32 +0100 [thread overview]
Message-ID: <m3n23ocspv.fsf@quimbies.gnus.org> (raw)
In-Reply-To: Hrvoje Niksic's message of "12 Jan 1999 17:38:21 +0100"
Hrvoje Niksic <hniksic@srce.hr> writes:
> 1) As demonstrated by Tom Lord, GNU regex (which both Emacsen use) is
> still not POSIX.
>
> 2) Why are there, at least in XEmacs, two sets of functions, posix-
> regexp functions, and "normal" regexp functions? Also, the
> internal code has various posix-p flags that apparently specify
> whether POSIX behaviour is desired. I though the reason for
> duplicate functionality was to gain speed in the non-POSIX (the
> more usual) case.
My understanding of this is that certain Posixly things were
incorporated -- in specific, a more complex backtracking thing.
Backtracking can be very slow, so the non-Posix functions use a
simpler version. So the naming is misleading -- it should probably be
excessive-backtracking-p instead of posix-p, but the latter rolls more
easily off the tongue, perhaps.
--
(domestic pets only, the antidote for overdose, milk.)
larsi@gnus.org * Lars Magne Ingebrigtsen
prev parent reply other threads:[~1999-01-12 17:21 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <feoh@cosmic.com>
1999-01-11 22:08 ` Asymptotically Approaching Relaxation
1999-01-11 23:51 ` Richard Coleman
1999-01-12 7:00 ` Asymptotically Approaching Relaxation
1999-01-15 0:53 ` using multiple Summary buffer formats Alfred J Correira
1999-01-15 10:23 ` Kai.Grossjohann
1999-01-15 10:35 ` Lee Willis
1999-01-15 11:13 ` Kai.Grossjohann
[not found] ` <lzww2o21ez.fsf@landlord.gbdirect.co.uk>
[not found] ` <vaf7luon2dv.fsf@ramses.cs.uni-dortmund.de>
1999-01-15 12:34 ` Kai.Grossjohann
1999-01-15 13:04 ` Lee Willis
1999-01-15 14:27 ` Karl Kleinpaste
1999-01-19 14:54 ` Jack Vinson
1999-01-19 15:15 ` Lee Willis
[not found] ` <m3iuedcuua.fsf@peorth.gweep.net>
1999-01-12 7:57 ` Pre-Processed maiil splitting under Gnus? Asymptotically Approaching Relaxation
1999-01-12 16:02 ` Kai.Grossjohann
1999-01-12 16:38 ` Hrvoje Niksic
1999-01-12 17:00 ` M-x gnus-filter-mail-at-warp-10 (was: Re: Pre-Processed maiil splitting under Gnus?) Asymptotically Approaching Relaxation
1999-01-12 17:35 ` Kai.Grossjohann
1999-01-12 18:42 ` Asymptotically Approaching Relaxation
1999-01-13 22:35 ` Kai.Grossjohann
1999-01-12 20:49 ` M-x gnus-filter-mail-at-warp-10 (was: " Jari Aalto+mail.procmail
1999-01-13 22:32 ` Kai.Grossjohann
1999-01-13 23:21 ` Hrvoje Niksic
1999-01-12 17:21 ` Lars Magne Ingebrigtsen [this message]
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