From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help Subject: Re: Find all the name and alias corresponding to a codepoint in Emacs. Date: Sat, 12 Mar 2022 05:00:45 +0100 Message-ID: <87pmmrn7ki.fsf@zoho.eu> References: Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="3557"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:kThTyhSrc61tA7/eweNnXp6p++8= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Mar 12 17:54:05 2022 Return-path: Envelope-to: geh-help-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 1nT50G-0000eZ-V2 for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 12 Mar 2022 17:54:04 +0100 Original-Received: from localhost ([::1]:52054 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nT50F-00043v-Kd for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 12 Mar 2022 11:54:03 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:33616) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nSsw6-0002mW-D3 for help-gnu-emacs@gnu.org; Fri, 11 Mar 2022 23:00:58 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:36608) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nSsw4-0002Sd-PN for help-gnu-emacs@gnu.org; Fri, 11 Mar 2022 23:00:58 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1nSsw2-0001yr-DA for help-gnu-emacs@gnu.org; Sat, 12 Mar 2022 05:00:54 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Sat, 12 Mar 2022 11:53:43 -0500 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:136492 Archived-At: Hongyi Zhao wrote: > Say, for back-tick or grave accent ( ` ) symbol, I want to > let Emacs give me all of its name and alias, but the `M-x > describe-char ` can only give the following information: > > name: GRAVE ACCENT > old-name: SPACING GRAVE I'd say use `backquote' in Lisp settings (indeed, even an Elisp function) ... for everything else, use the (new) name. > So, I want to know if it's possible to find all the name and > alias corresponding to a codepoint in Emacs. Uhm, what other aliases would that be? And if any, where are they stored in Emacs? BTW, check this out: ;; -*- lexical-binding: t -*- ;; ;; this file: ;; https://dataswamp.org/~incal/emacs-init/char.el (defun what-char (&optional pos) (interactive "P") (let*((position (or (and (numberp pos) pos) (point) )) (kill pos) (char (char-after position)) ) (when char (let*((name (get-char-code-property char 'name)) (old-name (get-char-code-property char 'old-name)) (msg (if (and name old-name) (format "%s (old: %s)" name old-name) (or name old-name) )) (msg-dc (when (stringp msg) (downcase msg))) ) (when msg-dc (prog1 msg-dc (when kill (kill-new msg-dc)) (message "%s (at point: %d)" msg-dc position) )))))) ;; (what-char) ; "space" ;; (what-char 754) ; "right parenthesis (old: closing parenthesis)" ;; C-u 754 M-x what-char RET ; same, but also killed ;; C-u M-x what-char RET* (C-y) ; asterisk is yanked ;; M-x what-char RET ; line feed (lf) (at point: 1034) -- underground experts united https://dataswamp.org/~incal