From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: ludo@gnu.org (Ludovic =?iso-8859-1?Q?Court=E8s?=) Newsgroups: gmane.lisp.guile.devel Subject: Re: Using libunistring for string comparisons et al Date: Thu, 17 Mar 2011 16:56:32 +0100 Message-ID: <877hbxwxjj.fsf@gnu.org> References: <336042.33326.qm@web37901.mail.mud.yahoo.com> <878vwgmhah.fsf@netris.org> <511668.33680.qm@web37902.mail.mud.yahoo.com> <87sjuokniq.fsf@netris.org> <118142.11911.qm@web37907.mail.mud.yahoo.com> <87ipvjlvgj.fsf@netris.org> <87oc5b8fx3.fsf@gnu.org> <87tyf1kbae.fsf@netris.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1300382145 22947 80.91.229.12 (17 Mar 2011 17:15:45 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 17 Mar 2011 17:15:45 +0000 (UTC) Cc: guile-devel@gnu.org To: Mark H Weaver Original-X-From: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Thu Mar 17 18:15:41 2011 Return-path: Envelope-to: guile-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Q0GnR-0006ro-2j for guile-devel@m.gmane.org; Thu, 17 Mar 2011 18:15:37 +0100 Original-Received: from localhost ([127.0.0.1]:47965 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q0Fgz-0000uh-3N for guile-devel@m.gmane.org; Thu, 17 Mar 2011 12:04:53 -0400 Original-Received: from [140.186.70.92] (port=59858 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q0FZ2-0006RG-Hx for guile-devel@gnu.org; Thu, 17 Mar 2011 11:56:42 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Q0FYz-0006Fp-TN for guile-devel@gnu.org; Thu, 17 Mar 2011 11:56:39 -0400 Original-Received: from solo.fdn.fr ([80.67.169.19]:51255) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q0FYz-0006FY-Nk for guile-devel@gnu.org; Thu, 17 Mar 2011 11:56:37 -0400 Original-Received: from nixey (unknown [193.50.110.208]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client did not present a certificate) (Authenticated sender: lcourtes) by smtp.fdn.fr (Postfix) with ESMTPSA id 1CDDF4456E; Thu, 17 Mar 2011 16:56:36 +0100 (CET) X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 27 =?iso-8859-1?Q?Vent=F4se?= an 219 de la =?iso-8859-1?Q?R=E9volution?= X-PGP-Key-ID: 0xEA52ECF4 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 83C4 F8E5 10A3 3B4C 5BEA D15D 77DD 95E2 EA52 ECF4 X-OS: x86_64-unknown-linux-gnu In-Reply-To: <87tyf1kbae.fsf@netris.org> (Mark H. Weaver's message of "Thu, 17 Mar 2011 11:38:01 -0400") User-Agent: Gnus/5.110013 (No Gnus v0.13) Emacs/23.3 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 80.67.169.19 X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Errors-To: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.devel:11891 Archived-At: Hi Mark, Mark H Weaver writes: > I have a compromise proposal, which could be implemented for 2.0.x: > > We keep wide (UTF-32) stringbufs as-is, but we change narrow stringbufs > to UTF-8, along with a flag that indicates whether it is known to be > ASCII-only. The whole point of the narrow/wide distinction was to avoid variable-width encodings. In addition, we=E2=80=99d end up with 3 cases (A= SCII, UTF-8, or UTF-32) instead of 2, which seems quite complex to me. What do you think of moving to narrow =3D ASCII, as I suggested earlier? Thanks, Ludo=E2=80=99.