From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Kastrup Newsgroups: gmane.emacs.devel Subject: Re: Emacs Lisp's future Date: Mon, 06 Oct 2014 19:31:50 +0200 Message-ID: <8738b1drzt.fsf@fencepost.gnu.org> References: <54193A70.9020901@member.fsf.org> <83iokato6x.fsf@gnu.org> <87wq8pwjen.fsf@uwakimon.sk.tsukuba.ac.jp> <837g0ptnlj.fsf@gnu.org> <87r3yxwdr6.fsf@uwakimon.sk.tsukuba.ac.jp> <87tx3tmi3t.fsf@fencepost.gnu.org> <834mvttgsf.fsf@gnu.org> <87lhp5m99w.fsf@fencepost.gnu.org> <87h9ztm5oa.fsf@fencepost.gnu.org> <87d2ahm3nw.fsf@fencepost.gnu.org> <871tqneyvl.fsf@netris.org> <87d2a54t1m.fsf@yeeloong.lan> <83lhotme1e.fsf@gnu.org> <871tql17uw.fsf@yeeloong.lan> <838uktm9gw.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1412616781 2651 80.91.229.3 (6 Oct 2014 17:33:01 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 6 Oct 2014 17:33:01 +0000 (UTC) Cc: rms@gnu.org, Mark H Weaver , dmantipov@yandex.ru, emacs-devel@gnu.org, handa@gnu.org, monnier@iro.umontreal.ca, stephen@xemacs.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Oct 06 19:32:53 2014 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XbC9V-0002s0-4H for ged-emacs-devel@m.gmane.org; Mon, 06 Oct 2014 19:32:53 +0200 Original-Received: from localhost ([::1]:53356 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XbC9U-0001Ao-PD for ged-emacs-devel@m.gmane.org; Mon, 06 Oct 2014 13:32:52 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:35410) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XbC9D-00018k-DF for emacs-devel@gnu.org; Mon, 06 Oct 2014 13:32:36 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XbC97-0007XQ-T1 for emacs-devel@gnu.org; Mon, 06 Oct 2014 13:32:35 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:47620) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XbC97-0007XG-IM for emacs-devel@gnu.org; Mon, 06 Oct 2014 13:32:29 -0400 Original-Received: from localhost ([127.0.0.1]:54784 helo=lola) by fencepost.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XbC8m-0003yx-LD; Mon, 06 Oct 2014 13:32:09 -0400 Original-Received: by lola (Postfix, from userid 1000) id C2911E04C1; Mon, 6 Oct 2014 19:31:50 +0200 (CEST) In-Reply-To: <838uktm9gw.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 06 Oct 2014 19:47:11 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:175029 Archived-At: Eli Zaretskii writes: > Btw, Emacs doesn't expose the internal representation of these bytes > easily to Lisp programs. That is, whenever any program tries to > access the character at that position, it gets the original raw byte > that was there before the string was read from outside. A Lisp > program needs some very tricky and deliberate techniques to access the > internal representation of such bytes. (It isn't "overlong", btw, we > just represent the 128 bytes as codepoints in the 0x3fffXX range, and > encode it in UTF-8 with 5 bytes.) Oh. Didn't we use 3byte surrogate words (also not valid Unicode but encodable as 3 bytes) here? -- David Kastrup