From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.bugs Subject: bug#40213: what-cursor-position could tell the meaning of marks too! Date: Fri, 07 Aug 2020 02:33:42 +0300 Organization: LINKOV.NET Message-ID: <87364z9wo9.fsf@mail.linkov.net> References: <87v9mtn5as.5.fsf@jidanni.org> <877dud9uzh.fsf@gnus.org> <877ducgs82.fsf@gnus.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="39214"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (x86_64-pc-linux-gnu) Cc: Richard Stallman , 40213@debbugs.gnu.org, jidanni@jidanni.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Aug 07 02:53:11 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 1k3qdD-000A6J-9E for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 07 Aug 2020 02:53:11 +0200 Original-Received: from localhost ([::1]:46492 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k3qdC-0001UE-3J for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 06 Aug 2020 20:53:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51050) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k3qd4-0001Tr-8h for bug-gnu-emacs@gnu.org; Thu, 06 Aug 2020 20:53:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:43632) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k3qd3-00034Z-W5 for bug-gnu-emacs@gnu.org; Thu, 06 Aug 2020 20:53:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1k3qd3-0000eD-Rd; Thu, 06 Aug 2020 20:53:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Juri Linkov Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org, bugs@gnus.org Resent-Date: Fri, 07 Aug 2020 00:53:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40213 X-GNU-PR-Package: emacs,gnus X-GNU-PR-Keywords: wontfix Original-Received: via spool by 40213-submit@debbugs.gnu.org id=B40213.15967615732439 (code B ref 40213); Fri, 07 Aug 2020 00:53:01 +0000 Original-Received: (at 40213) by debbugs.gnu.org; 7 Aug 2020 00:52:53 +0000 Original-Received: from localhost ([127.0.0.1]:55169 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k3qcv-0000dH-0P for submit@debbugs.gnu.org; Thu, 06 Aug 2020 20:52:53 -0400 Original-Received: from relay4-d.mail.gandi.net ([217.70.183.196]:59637) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k3qcs-0000d1-9h for 40213@debbugs.gnu.org; Thu, 06 Aug 2020 20:52:52 -0400 X-Originating-IP: 91.129.102.47 Original-Received: from mail.gandi.net (m91-129-102-47.cust.tele2.ee [91.129.102.47]) (Authenticated sender: juri@linkov.net) by relay4-d.mail.gandi.net (Postfix) with ESMTPSA id C0900E0005; Fri, 7 Aug 2020 00:52:42 +0000 (UTC) In-Reply-To: <877ducgs82.fsf@gnus.org> (Lars Ingebrigtsen's message of "Thu, 06 Aug 2020 09:15:41 +0200") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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:184217 Archived-At: >> If a mode puts some sort of special marker in a buffer, it can >> put that text property on it. > > But that would be slow. The use case here is all the different > characters used as markers in a Gnus Summary buffer -- and there may be > tens of thousands of them. Making generation of these buffers (which is > already slow) even slower, just to make it possible to these characters > for their meaning, would be a disservice to the users. Maybe then 'describe-char' could check if the mode's symbol has a special property with a function name, and output a string returned from that function, e.g. (put 'gnus-summary-mode 'describe-char 'gnus-summary-mode-describe-char) Then 'describe-char' called in a gnus-summary-mode buffer will get the function from its property, and 'gnus-summary-mode-describe-char' will introspect its buffer and report information about the character displayed at the given position and its meaning.