From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: pjb@informatimago.com (Pascal J. Bourguignon) Newsgroups: gmane.emacs.help Subject: Re: character encoding confusion Date: Thu, 08 Jul 2010 00:37:41 +0200 Organization: Informatimago Message-ID: <87pqyygbpm.fsf@kuiper.lan.informatimago.com> References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1291843689 7752 80.91.229.12 (8 Dec 2010 21:28:09 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 8 Dec 2010 21:28:09 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Wed Dec 08 22:28:00 2010 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1PQRYN-0001ri-Q2 for geh-help-gnu-emacs@m.gmane.org; Wed, 08 Dec 2010 22:27:59 +0100 Original-Received: from localhost ([127.0.0.1]:59643 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PQRYN-000844-60 for geh-help-gnu-emacs@m.gmane.org; Wed, 08 Dec 2010 16:27:59 -0500 Original-Path: usenet.stanford.edu!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 33 Original-X-Trace: individual.net vmIpQS3trafA+DpE44/36QE2MMY6k4vMH9lcDhXZwQmvE781Kk Cancel-Lock: sha1:NTllOGJmZDRkMzhmZWI2ODk1OTI4NjA2M2E5N2RkYmJmZTA0ZmQ5OA== sha1:YMryaEv9UDID843JzhJ/t0gzHE8= Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAQMAAABtzGvEAAAABlBMVEUAAAD///+l2Z/dAAAA oElEQVR4nK3OsRHCMAwF0O8YQufUNIQRGIAja9CxSA55AxZgFO4coMgYrEDDQZWPIlNAjwq9 033pbOBPtbXuB6PKNBn5gZkhGa86Z4x2wE67O+06WxGD/HCOGR0deY3f9Ijwwt7rNGNf6Oac l/GuZTF1wFGKiYYHKSFAkjIo1b6sCYS1sVmFhhhahKQssRjRT90ITWUk6vvK3RsPGs+M1RuR mV+hO/VvFAAAAABJRU5ErkJggg== X-Accept-Language: fr, es, en X-Disabled: X-No-Archive: no User-Agent: Gnus/5.101 (Gnus v5.10.10) Emacs/23.2 (gnu/linux) Original-Xref: usenet.stanford.edu gnu.emacs.help:179595 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:76046 Archived-At: patrol writes: > I created a program in C that requires the degree symbol. The mode > line indicates that Emacs is using the Latin-1 character encoding. > According to Latin-1 encoding tables, the degree symbol is encoded as > decimal 176, so that's what I used in my code. But when the character > printed, it wasn't the degree symbol; it was a "shaded box" looking > thing. Then I looked at an ASCII table here (http:// > www.asciitable.com/), and it says that 176 is indeed the shaded box 176 is not an ASCII code. ASCII contains only codes from 0 to 127. > that was printed in my program, and the degree character was decimal > 248. So I used 248 in my code, and I got the degree symbol I wanted. > > But all this leaves me with the question that if Emacs was supposedly > encoding the file in Latin-1, why doesn't the code for the degree > symbol match up with the Latin-1 table? Why does it instead match up > with some non-standard "extended" ASCII that I just happened to come > across. > > Can anyone shed light on this? Remember that C only deals with integer. There is no character type in C. So, what happens when you call: printf("%c",176); ? Have a look at setlocale, LC_ALL, etc, and libiconv. -- __Pascal Bourguignon__ http://www.informatimago.com/