From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Hongyi Zhao Newsgroups: gmane.emacs.help Subject: Re: Use `M-x describe-char' to inspect the characters of a pdf file. Date: Thu, 8 Jul 2021 07:46:44 +0800 Message-ID: References: <87r1gadlso.fsf@cock.li> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10637"; mail-complaints-to="usenet@ciao.gmane.io" Cc: help-gnu-emacs To: mrf Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jul 08 01:47:26 2021 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 1m1HGH-0002bY-Mi for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 08 Jul 2021 01:47:25 +0200 Original-Received: from localhost ([::1]:55822 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m1HGF-0004Qv-Q3 for geh-help-gnu-emacs@m.gmane-mx.org; Wed, 07 Jul 2021 19:47:23 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:57580) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m1HFr-0004Ql-H2 for help-gnu-emacs@gnu.org; Wed, 07 Jul 2021 19:46:59 -0400 Original-Received: from mail-lf1-x12c.google.com ([2a00:1450:4864:20::12c]:40457) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1m1HFp-0007Gt-TG for help-gnu-emacs@gnu.org; Wed, 07 Jul 2021 19:46:59 -0400 Original-Received: by mail-lf1-x12c.google.com with SMTP id q18so9062184lfc.7 for ; Wed, 07 Jul 2021 16:46:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=o7KLanRMP5gSt02JGAI3p4fbwH/OcILYIlMlkPqKzRM=; b=XYwM+vgSxCVI1hbxtcsUIcF33ITPTrKqYxOkbNeMSmjxEgY185oeTaKpfogLahgeuP wZayjxDpUaKbynP7dmhHuUO7C6QtaoybUXv3c/gx62FwUGFJiNLFD3WtqA1ymc1PbfCG 8CuCcrxC3ze4ShcsBrcBS/E/at3SRHDXzn9jg5KswcGWmmizghRh6iev3lEpWm0HM9Fj 3XnrAsjOQnZ2zJu1A4t8rLAd7C33551VS2/UBxnv+wHMQGcKgsjMle6nVXhgA2u1Go4+ 96oPXNnSHqxkRo2og1CTjfXOLs4e6/9wfvjhwSz41XZpKPhIwZEgt2r1po2zwXtoJiGt DPVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=o7KLanRMP5gSt02JGAI3p4fbwH/OcILYIlMlkPqKzRM=; b=V99ufH9DEdXHNVkng/CDAa1mweNLHz6FVFz6C+kVZ+++uw8FB9jX7SJ/O/mhifPL5X RfJu7h5wUEzF29TmxZr/W/LKlxutbnig7/gnRIjHp7ROBtaFq22uoYtV7MG/qRDdUZiG tTy8R41j9FVgmpm3G3kTNTk7nKIpDUd8I63g1zKrjxFaUR/Z132+yXSu4JIjJxMGR6tN cY5vSzvOevNLJdqWl5owxRzK3iSEsTlXZjWtBt14fFOZFg1Ummm6Kq6pJeblmC5t+0Hn o5hpTW26Xhhg40lbbUcG9aplYCQXFc8BP7OrySwlVEuhZ5g4ETPkixtJCzb3IXklneJX pgvw== X-Gm-Message-State: AOAM533lNbYvRtEWOew6cdYTESwHM8QZKPd9bE6zVeEyAFzBX3bJG9YF 7a3BfK5KJFGEc/e1DHcwUzBppM26UsJrZruhY1I= X-Google-Smtp-Source: ABdhPJxaeAv2Lx9sFKWoI0L5styhDNKMyDE6RqRXYAMV9uMCga69bv90bZYdNghYQJwUoqVeKLYcUWZBqOQ5Iw6rlcE= X-Received: by 2002:a2e:b8c8:: with SMTP id s8mr20932526ljp.320.1625701616187; Wed, 07 Jul 2021 16:46:56 -0700 (PDT) In-Reply-To: <87r1gadlso.fsf@cock.li> Received-SPF: pass client-ip=2a00:1450:4864:20::12c; envelope-from=hongyi.zhao@gmail.com; helo=mail-lf1-x12c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 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:131621 Archived-At: On Thu, Jul 8, 2021 at 2:24 AM mrf wrote: > > > Hongyi Zhao writes: > > > I'm using pdf-tools [1] as the in-line PDF viewer of Emacs. Can I use > > `M-x describe-char' to inspect/check the characters in the PDF file? > > > > [1] https://github.com/politza/pdf-tools > > > > Regards > > Possible solution is to copy that char with M-w and paste it in other > buffer such as *scratch* and then inspect it. > If so, how can I write a function/micro to do this job automatically? > I think this would be useful to inspect utf8 math symbol included in > pdf. > It's a valuable method to check/inspect any obscure and rare characters. Regards -- Assoc. Prof. Hongyi Zhao Theory and Simulation of Materials Hebei Vocational University of Technology and Engineering NO. 552 North Gangtie Road, Xingtai, China