From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: =?UTF-8?Q?Aur=C3=A9lien_Aptel?= Newsgroups: gmane.emacs.help Subject: What is lisp/textmodes/underline.el? Date: Sun, 26 Feb 2012 01:09:39 +0100 Message-ID: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: dough.gmane.org 1330215002 3266 80.91.229.3 (26 Feb 2012 00:10:02 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 26 Feb 2012 00:10:02 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Feb 26 01:10:01 2012 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1S1Rge-0002DN-1Y for geh-help-gnu-emacs@m.gmane.org; Sun, 26 Feb 2012 01:10:00 +0100 Original-Received: from localhost ([::1]:48547 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S1Rgd-0001yB-GO for geh-help-gnu-emacs@m.gmane.org; Sat, 25 Feb 2012 19:09:59 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:58160) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S1RgR-0001mY-Hd for help-gnu-emacs@gnu.org; Sat, 25 Feb 2012 19:09:54 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S1RgL-00027s-5D for help-gnu-emacs@gnu.org; Sat, 25 Feb 2012 19:09:47 -0500 Original-Received: from mail-tul01m020-f169.google.com ([209.85.214.169]:58741) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S1RgK-00027h-VR for help-gnu-emacs@gnu.org; Sat, 25 Feb 2012 19:09:41 -0500 Original-Received: by obbta7 with SMTP id ta7so4988085obb.0 for ; Sat, 25 Feb 2012 16:09:39 -0800 (PST) Received-SPF: pass (google.com: domain of aurelien.aptel@gmail.com designates 10.60.18.163 as permitted sender) client-ip=10.60.18.163; Authentication-Results: mr.google.com; spf=pass (google.com: domain of aurelien.aptel@gmail.com designates 10.60.18.163 as permitted sender) smtp.mail=aurelien.aptel@gmail.com; dkim=pass header.i=aurelien.aptel@gmail.com Original-Received: from mr.google.com ([10.60.18.163]) by 10.60.18.163 with SMTP id x3mr3443797oed.10.1330214979657 (num_hops = 1); Sat, 25 Feb 2012 16:09:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:date:x-google-sender-auth:message-id:subject :from:to:content-type; bh=ZfgR0jpz7pu3+ojTmKykH1fifUwWBLu5yTQIuA41XTA=; b=LLhSLICUXMKF33QQgS54se5R0qKuK7p4jOPoU9LqfoCHlUUFbZ2RM+gOsTjiCL03sX iAKy9Phw4pPNnE/U6uxr3git08BT3/xRhVr9+yEpVDwfwQACQ1HMUpDp7KtIz3sVdUmb 4aGPUEMIPSsB8x0yRd+fwL9+Wpu5D0ALrdS0E= Original-Received: by 10.60.18.163 with SMTP id x3mr3017574oed.10.1330214979620; Sat, 25 Feb 2012 16:09:39 -0800 (PST) Original-Received: by 10.182.29.98 with HTTP; Sat, 25 Feb 2012 16:09:39 -0800 (PST) X-Google-Sender-Auth: _SKIi-0oiPS-dti_vvfjeBOzFpY X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.85.214.169 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 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.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:83859 Archived-At: Hi all, I've stumbled upon the functions (un)underline-region and I was wondering what they were used for. Obviously they were supposed to (un)underline but they do it in a weird way. Basically, underline-region adds "_\b" before every character in the region where \b is ^H aka ascii backspace. Is this some legacy code that should be removed?