From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Cannot find a variable that sets the "abbreviation" of a library name/prefix Date: Sat, 29 Apr 2023 18:14:18 +0300 Message-ID: <83pm7mpvp1.fsf@gnu.org> References: Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="23497"; mail-complaints-to="usenet@ciao.gmane.io" Cc: emacs-devel@gnu.org To: Ruijie Yu Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Apr 29 17:14:28 2023 Return-path: Envelope-to: ged-emacs-devel@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 1psmHL-0005u1-6O for ged-emacs-devel@m.gmane-mx.org; Sat, 29 Apr 2023 17:14:27 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1psmGf-0006oC-4b; Sat, 29 Apr 2023 11:13:46 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1psmGd-0006np-FG for emacs-devel@gnu.org; Sat, 29 Apr 2023 11:13:43 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1psmGc-0003se-Th; Sat, 29 Apr 2023 11:13:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=Y9/Y+i4FGzGbfC+83IsMnG/Fymp2C9yCyVsrmQA7LKE=; b=nd9OIp6TZc/R jo1jm3X+iOWZM0PWW2Wo6RSZL1b0ETKTarA/eDd61mOCoFJNtUYhKyXmTeLiEon72zOBVaAFvXK4I Up73swy9bUtKcYJUNty50VNpSbyML/ruJRj5gNI4IVenYqG7Ds6U9Ry+pSHv7VJUd6/QeT7ii6Qki Mnedceu8e+K0XC6DK5x3WPJwoYaEcBT9ZtFPvP84kImwBJyXonJXh/L2a3a+CGvpqkiixytJDDpyR lHFYSiOwUPmqD9/bvgiluEg1+cL1NaADzfD65igc5Lxw8sI0tKvVphemf7YH6aRyz9+3XpniFULyN htxUwJsX8YCIVIrr+n6/aw==; Original-Received: from [87.69.77.57] (helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1psmGb-0005as-8D; Sat, 29 Apr 2023 11:13:42 -0400 In-Reply-To: (emacs-devel@gnu.org) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:305723 Archived-At: > Date: Sat, 29 Apr 2023 22:47:49 +0800 > From: Ruijie Yu via "Emacs development discussions." > > I'm definitely not dreaming, but I saw a variable from a patch somewhere > the other day, that works like this: > > When one sets this variable to an alist of full-name (string) -> > short-name (string), the file itself defines symbols with short names, > while the loader pretends they are using the long names. For example, > lets say the full name is "library", and short name is "lib". Then, you > can define functions or variables like this: > > ```emacs-lisp > ;; library.el --- example > (defvar lib-foo nil) > (defun lib-bar () t) > > (provide 'library) > ;; Local variables: > ;; i-dont-know-what-this-variable-is-called: (("library" . "lib")) > ;; End: > ``` > > And the outside Elisp environment, when loading this file, now pretends > that the variable `library-foo' and the function `library-bar' are > defined. > > ```emacs-lisp > (require 'library) > (progn library-foo (library-bar)) > ``` > > However, when I search for "abbrev" using M-x apropos-command, I cannot > find anything. Have I actually been dreaming? Thanks. You are talking about read-symbol-shorthands, I think.