From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Deniz Dogan Newsgroups: gmane.emacs.devel Subject: Re: Bug in TeX input mode? Date: Thu, 18 Jun 2009 00:09:21 +0200 Message-ID: <7b501d5c0906171509r3f290ed9l325545d70dfb2fd9@mail.gmail.com> References: <7b501d5c0906171343v202e47f9y64d808268cb50ee7@mail.gmail.com> <87y6rqimc5.fsf@stupidchicken.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1245276578 2895 80.91.229.12 (17 Jun 2009 22:09:38 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 17 Jun 2009 22:09:38 +0000 (UTC) Cc: Emacs-Devel devel To: Chong Yidong Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Jun 18 00:09:34 2009 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1MH3K0-0002FZ-MQ for ged-emacs-devel@m.gmane.org; Thu, 18 Jun 2009 00:09:33 +0200 Original-Received: from localhost ([127.0.0.1]:59267 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MH3K0-0007NH-5A for ged-emacs-devel@m.gmane.org; Wed, 17 Jun 2009 18:09:32 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MH3Jv-0007Mt-9B for emacs-devel@gnu.org; Wed, 17 Jun 2009 18:09:27 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MH3Jq-0007M1-NF for emacs-devel@gnu.org; Wed, 17 Jun 2009 18:09:26 -0400 Original-Received: from [199.232.76.173] (port=56790 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MH3Jq-0007Ly-LY for emacs-devel@gnu.org; Wed, 17 Jun 2009 18:09:22 -0400 Original-Received: from mail-bw0-f219.google.com ([209.85.218.219]:59537) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MH3Jq-00084Q-9S for emacs-devel@gnu.org; Wed, 17 Jun 2009 18:09:22 -0400 Original-Received: by bwz19 with SMTP id 19so42145bwz.42 for ; Wed, 17 Jun 2009 15:09:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=XvyG9V38nduuS7+BoAMbQtF3E0rNC71owQ92pWWPX5k=; b=Q7OqPlScSe66IVLdf7HlADTkpWCgevCS1fTthRHy3zKkI1SptAJn6IfUZUfre3NMyE eYSjBpd0rshXoUx2dtAoAfqNfO7PpYKoH+s/l7HPuyThcDQP+taVu2e4ljCNDUt0NBFT 5oAHpsdQAUieBphMHwMFp6mjtJCpr9+3tRlzw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=XSA/SmFHNl5C5Z98bgOGxzYynmJeyAgknlCJbouuOVWfv3asKp5yVN9vFUELzqHGXb AyR9zPqBOJWCBmvepRme+shF+K8vSNGQerDlh6QqOrDqMMzxkg71pPTISMcBzwRxtnj8 B0kYo7MScURX8vjoL+7DTSQXi/JCkypG6TrWY= Original-Received: by 10.86.65.18 with SMTP id n18mr1046919fga.25.1245276561169; Wed, 17 Jun 2009 15:09:21 -0700 (PDT) In-Reply-To: <87y6rqimc5.fsf@stupidchicken.com> X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:111566 Archived-At: 2009/6/17 Chong Yidong : > Deniz Dogan writes: > >> \circ in the TeX input mode inserts the following character: >> >> =C2=A0 =C2=A0 =C2=A0 =C2=A0 character: =E2=97=8B (9675, #o22713, #x25cb) >> =C2=A0 name: WHITE CIRCLE >> =C2=A0 general-category: So (Symbol, Other) >> >> However, we feel like what should have been inserted is this: >> >> =C2=A0 =C2=A0 =C2=A0 =C2=A0 character: =E2=88=98 (8728, #o21030, #x2218) >> =C2=A0 name: RING OPERATOR >> =C2=A0 general-category: Sm (Symbol, Math) > > Maybe. =C2=A0But if you look at the TeX output of \circ, the size of the > circle looks a lot more like =E2=97=8B than =E2=88=98 (at least, when usi= ng DejaVu Sans > Mono, I haven't checked with other fonts). =C2=A0And it seems more reason= able > for "\circ" to mean WHITE CIRCLE than RING OPERATOR. > That's weird, because I'm using the same font and I think it looks way much more like =E2=88=98! :) The Haskellers I talked to said that \circ is = the standard way of writing the "function composition operator" in TeX and IIRC, the function composition operator is sometimes called "ring operator", due to its shape. Copy-pasting the composition operator from Wikipedia reveals that they use the Unicode RING OPERATOR as well, but of course, this needn't mean that TeX does... --=20 Deniz Dogan