From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#28339: 25.2; Emacs shows ZWNJ character (Zero Width non-Joiner) as Space Date: Wed, 13 Sep 2017 18:02:33 +0300 Message-ID: <83wp52od4m.fsf@gnu.org> References: <87d16usnfi.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1505314995 8673 195.159.176.226 (13 Sep 2017 15:03:15 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 13 Sep 2017 15:03:15 +0000 (UTC) Cc: nimawebgard@gmail.com, 28339@debbugs.gnu.org To: handa Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Sep 13 17:03:10 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ds9C1-00026k-8m for geb-bug-gnu-emacs@m.gmane.org; Wed, 13 Sep 2017 17:03:09 +0200 Original-Received: from localhost ([::1]:42992 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ds9C8-0001IU-KA for geb-bug-gnu-emacs@m.gmane.org; Wed, 13 Sep 2017 11:03:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52112) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ds9C0-0001CA-20 for bug-gnu-emacs@gnu.org; Wed, 13 Sep 2017 11:03:12 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ds9Bw-0000VY-94 for bug-gnu-emacs@gnu.org; Wed, 13 Sep 2017 11:03:08 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:58016) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ds9Bw-0000VT-5o for bug-gnu-emacs@gnu.org; Wed, 13 Sep 2017 11:03:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1ds9Bu-0007to-0Z for bug-gnu-emacs@gnu.org; Wed, 13 Sep 2017 11:03:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 13 Sep 2017 15:03:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 28339 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 28339-submit@debbugs.gnu.org id=B28339.150531497430351 (code B ref 28339); Wed, 13 Sep 2017 15:03:01 +0000 Original-Received: (at 28339) by debbugs.gnu.org; 13 Sep 2017 15:02:54 +0000 Original-Received: from localhost ([127.0.0.1]:38464 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ds9Bl-0007tT-OO for submit@debbugs.gnu.org; Wed, 13 Sep 2017 11:02:53 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:32815) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ds9Bk-0007tG-6v for 28339@debbugs.gnu.org; Wed, 13 Sep 2017 11:02:52 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ds9Bb-0000Ng-5U for 28339@debbugs.gnu.org; Wed, 13 Sep 2017 11:02:47 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:47321) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ds9BV-0000MJ-ND; Wed, 13 Sep 2017 11:02:37 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3589 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1ds9BU-00039m-PY; Wed, 13 Sep 2017 11:02:37 -0400 In-reply-to: <87d16usnfi.fsf@gnu.org> (message from handa on Wed, 13 Sep 2017 23:06:25 +0900) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:136882 Archived-At: > From: handa > Cc: nimawebgard@gmail.com, 28339@debbugs.gnu.org > Date: Wed, 13 Sep 2017 23:06:25 +0900 > > > And why do we need to tell Emacs that ZWNJ has a 1-pixel width? > > Should ZWNJ be at all displayed in this case? > > I'm not sure. As I wrote in the previous mail, as an editor, isn't it > better to notify a user the existence of ZWNJ? I thought that the shaping engine returns to us a series of grapheme clusters that completely replaces ZWNJ and the neighboring characters, and that therefore we only need to display the glyphs returned by the shaper. If one of the glyphs returned by the shaper is ZWNJ, then isn't the shaper doing a poor job? Or maybe I misunderstand something about this situation? Thanks.