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#38485: "prettified" symbols Date: Fri, 06 Dec 2019 09:58:48 +0200 Message-ID: <83h82dholj.fsf@gnu.org> References: <3183ba6c-6aea-fa25-bb32-7e5ff7c04ad6@gmail.com> <83y2vshyvn.fsf@gnu.org> <478afae1-0080-c825-5a53-1bc8e897a1cc@gmail.com> <83sgm0hvhx.fsf@gnu.org> <4e6c87d3-21c0-1820-96f2-62bb0dd7c925@gmail.com> <83r21khquw.fsf@gnu.org> <32a6f122-f21a-4522-21d6-0ae0a17b6bee@gmail.com> <83o8wnigy5.fsf@gnu.org> <83a786iyvc.fsf@gnu.org> <5b3d638e-5913-2c3d-dba1-0c3f387a7ff2@gmail.com> <83o8wmh705.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="228716"; mail-complaints-to="usenet@blaine.gmane.org" Cc: cpitclaudel@gmail.com, casouri@gmail.com, 38485@debbugs.gnu.org To: rms@gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Dec 06 18:24:23 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 1idHL5-000xNV-JD for geb-bug-gnu-emacs@m.gmane.org; Fri, 06 Dec 2019 18:24:23 +0100 Original-Received: from localhost ([::1]:41832 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1idHL4-0006ts-84 for geb-bug-gnu-emacs@m.gmane.org; Fri, 06 Dec 2019 12:24:22 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51322) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1idGK2-0005vJ-8Z for bug-gnu-emacs@gnu.org; Fri, 06 Dec 2019 11:19:16 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1idGK0-0003BW-JO for bug-gnu-emacs@gnu.org; Fri, 06 Dec 2019 11:19:14 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:40972) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1idGK0-000358-EV for bug-gnu-emacs@gnu.org; Fri, 06 Dec 2019 11:19:12 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1idGGz-00054t-7Y for bug-gnu-emacs@gnu.org; Fri, 06 Dec 2019 11:16:05 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 06 Dec 2019 16:16:05 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 38485 X-GNU-PR-Package: emacs Original-Received: via spool by 38485-submit@debbugs.gnu.org id=B38485.157564893719296 (code B ref 38485); Fri, 06 Dec 2019 16:16:05 +0000 Original-Received: (at 38485) by debbugs.gnu.org; 6 Dec 2019 16:15:37 +0000 Original-Received: from localhost ([127.0.0.1]:46912 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1idGGX-000519-MD for submit@debbugs.gnu.org; Fri, 06 Dec 2019 11:15:37 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:56953) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1idGGW-00050o-Fo for 38485@debbugs.gnu.org; Fri, 06 Dec 2019 11:15:36 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:43199) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1idGGN-0002cH-C4; Fri, 06 Dec 2019 11:15:27 -0500 Original-Received: from [176.228.60.248] (port=1600 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1id8Vl-0007dt-Hj; Fri, 06 Dec 2019 02:58:49 -0500 In-reply-to: (message from Richard Stallman on Thu, 05 Dec 2019 23:15:27 -0500) 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:172954 Archived-At: > From: Richard Stallman > Cc: eliz@gnu.org, casouri@gmail.com, 38485@debbugs.gnu.org > Date: Thu, 05 Dec 2019 23:15:27 -0500 > > Would someone please send me a 10-line general explanation of > what the "prettified" symbols feature does, or would do? It displays symbol names in programming languages as pretty symbols. For example, "lambda" in Lisp can be displayed as λ. This uses static character composition to do its job. I suggest to look at the code, it's quite short and simple. Start around line 200 in prog-mode.el, where prettify-symbols-mode is defined. > In what modes or contexts would this operate, by default? By default, this mode is turned off. You need to turn it on, and it is currently written to work with programming-language major modes.