From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#37769: global-set-key wrongly downcases the typed key (e.g. S-tab). Date: Fri, 18 Oct 2019 10:11:52 +0300 Message-ID: <83tv868r47.fsf@gnu.org> References: <20191015190726.GA6315@ACM> <87tv88kres.fsf@gnus.org> <20191017155844.GA4718@ACM> <87k192lpfz.fsf@gnus.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="59483"; mail-complaints-to="usenet@blaine.gmane.org" Cc: acm@muc.de, 37769@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Oct 18 09:13:14 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iLMRl-000FNB-Gg for geb-bug-gnu-emacs@m.gmane.org; Fri, 18 Oct 2019 09:13:13 +0200 Original-Received: from localhost ([::1]:35822 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iLMRj-0002sQ-VL for geb-bug-gnu-emacs@m.gmane.org; Fri, 18 Oct 2019 03:13:11 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:56096) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iLMRd-0002sK-A6 for bug-gnu-emacs@gnu.org; Fri, 18 Oct 2019 03:13:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iLMRc-0003Jn-CB for bug-gnu-emacs@gnu.org; Fri, 18 Oct 2019 03:13:05 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:40388) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iLMRc-0003Jj-8z for bug-gnu-emacs@gnu.org; Fri, 18 Oct 2019 03:13:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iLMRb-0000AV-Ul for bug-gnu-emacs@gnu.org; Fri, 18 Oct 2019 03:13:04 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 18 Oct 2019 07:13:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 37769 X-GNU-PR-Package: emacs Original-Received: via spool by 37769-submit@debbugs.gnu.org id=B37769.1571382737582 (code B ref 37769); Fri, 18 Oct 2019 07:13:02 +0000 Original-Received: (at 37769) by debbugs.gnu.org; 18 Oct 2019 07:12:17 +0000 Original-Received: from localhost ([127.0.0.1]:49208 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iLMQq-00009K-Ku for submit@debbugs.gnu.org; Fri, 18 Oct 2019 03:12:16 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:46976) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iLMQo-000097-MB for 37769@debbugs.gnu.org; Fri, 18 Oct 2019 03:12:15 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:55905) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1iLMQj-00037r-4m; Fri, 18 Oct 2019 03:12:09 -0400 Original-Received: from [176.228.60.248] (port=2410 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1iLMQh-0004sO-0L; Fri, 18 Oct 2019 03:12:08 -0400 In-reply-to: <87k192lpfz.fsf@gnus.org> (message from Lars Ingebrigtsen on Fri, 18 Oct 2019 05:09:36 +0200) 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: 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:169644 Archived-At: > From: Lars Ingebrigtsen > Date: Fri, 18 Oct 2019 05:09:36 +0200 > Cc: 37769@debbugs.gnu.org > > Hm, I think I was confused thinking that TAB was the same as C-i on a > tty, and thinking about how you can't bind C-I in non-graphical > environments. But I see that instead I get TAB when I run under a > tty -- both on the TAB key and when hitting C-i? And S-TAB gives me a > backtab event? But C-S-i gives me a TAB event. > > Hm. That's Emacs translation of events in action, sometimes aided by the keyboard driver, and sometimes just an emulation (depending on the terminal emulator you use). > > The same problem applies to any unused keybinding involving an upper case > > letter. For example, if you tried to bind C-M-S-a on a tty with M-x > > global-set-key, that function would bind C-M-a instead. This is not > > good. > > > > I can't see see any circumstances where a user would want such a > > keybinding to be downcased. Nearly all of the time, she will have > > expressly pressed the shift key. > > But if you M-: (global-set-key (kbd "C-M-S-o") 'previous-line) and then > hit C-M-S-o, then Emacs will try to execute the command bound to C-M-o, > so at least there it makes sense for the interactive spec to downcase, > doesn't it? Because that will at least bind something that can be > executed with the same chord that the user hit (even if it wasn't the > chord the user expected). > > But I see that M-x global-set-key does the same under guis, and it > doesn't make much sense there. I admit I don't understand what both of you think is not good or make no sense. Emacs has been downcasing keys since day one, if the upper case has no binding. The reason is to allow the user not to have to release the Shift key too fast when typing fast.