From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: ndame Newsgroups: gmane.emacs.bugs Subject: bug#40507: 26.2; truncate-lines does not respect line-height Date: Wed, 8 Apr 2020 16:31:54 +0200 (CEST) Message-ID: References: <83ftdeoyfe.fsf@gnu.org> Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_106541_995734024.1586356012958" Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="60777"; mail-complaints-to="usenet@ciao.gmane.io" Cc: "40507@debbugs.gnu.org" <40507@debbugs.gnu.org> To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Apr 08 16:33:24 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jMBlb-000FiJ-MI for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 08 Apr 2020 16:33:23 +0200 Original-Received: from localhost ([::1]:36798 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMBla-0005DD-Cn for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 08 Apr 2020 10:33:22 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51769) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMBlH-0005Cj-OB for bug-gnu-emacs@gnu.org; Wed, 08 Apr 2020 10:33:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jMBlG-0004cW-Oa for bug-gnu-emacs@gnu.org; Wed, 08 Apr 2020 10:33:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:41236) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jMBlG-0004cL-Lu for bug-gnu-emacs@gnu.org; Wed, 08 Apr 2020 10:33:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jMBlG-0005tN-Gz for bug-gnu-emacs@gnu.org; Wed, 08 Apr 2020 10:33:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: ndame Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 08 Apr 2020 14:33:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40507 X-GNU-PR-Package: emacs Original-Received: via spool by 40507-submit@debbugs.gnu.org id=B40507.158635633021927 (code B ref 40507); Wed, 08 Apr 2020 14:33:02 +0000 Original-Received: (at 40507) by debbugs.gnu.org; 8 Apr 2020 14:32:10 +0000 Original-Received: from localhost ([127.0.0.1]:52782 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jMBkQ-0005hO-Cj for submit@debbugs.gnu.org; Wed, 08 Apr 2020 10:32:10 -0400 Original-Received: from fmfe36.onbox.hu ([46.107.16.241]:23348 helo=web-out.onbox.hu) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jMBkO-0005bX-Qi for 40507@debbugs.gnu.org; Wed, 08 Apr 2020 10:32:09 -0400 X-fm-smtp-source: yes Original-Received: from localhost (localhost [84.236.72.86]) by web-out.onbox.hu (Postfix) with SMTP id 48y6DG2pk3z13r2; Wed, 8 Apr 2020 16:31:54 +0200 (CEST) In-Reply-To: <83ftdeoyfe.fsf@gnu.org> X-AccountId: 57978162 X-Originating-Ip: 84.236.72.86 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgeduhedrudejgdejiecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucggtfgfnhhsuhgsshgtrhhisggvpdcuhfftgffgofetkffnnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvffkjghfufggtghiffesrgdtregstddtudenucfhrhhomhepnhgurghmvgcuoegvmhgrtghsuhhsvghrsehfrhgvvghmrghilhdrhhhuqeenucfkphepkeegrddvfeeirdejvddrkeeinecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehhvghloheppdhinhgvthepkeegrddvfeeirdejvddrkeeipdhmrghilhhfrhhomhepvghmrggtshhushgvrhesfhhrvggvmhgrihhlrdhhuhdprhgtphhtthhopegvlhhiiiesghhnuhdrohhrgh 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: 209.51.188.43 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:178138 Archived-At: ------=_Part_106541_995734024.1586356012958 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable > In terms of the implementation, the feature you expected would require > the display engine consider characters that are not visible in the > window, something that the display code tries hard to avoid doing (so > it could be faster). I understand there can be performance implications. It may be worth some additional lines in the manual that it has an effect only if the newline is= =C2=A0 actually on the screen. (Maybe obvious, but I expected it to have an effect= .) And also the workaround could be mentioned that the user can place a=C2=A0 display line-height property to some other character on the line (preferabl= y a space, so it doesn't affect the text appearance) which has the same effec= t. ------=_Part_106541_995734024.1586356012958 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit > In terms of the implementation, the feature you expected would require
> the display engine consider characters that are not visible in the
> window, something that the display code tries hard to avoid doing (so
> it could be faster).

I understand there can be performance implications. It may be worth some
additional lines in the manual that it has an effect only if the newline is 
actually on the screen. (Maybe obvious, but I expected it to have an effect.)

And also the workaround could be mentioned that the user can place a 
display line-height property to some other character on the line (preferably
a space, so it doesn't affect the text appearance) which has the same effect. ------=_Part_106541_995734024.1586356012958--