From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/86982 Path: news.gmane.org!not-for-mail From: Aditya Mahajan Newsgroups: gmane.comp.tex.context Subject: Re: \triangledown placed too low in Palatino Date: Thu, 10 Apr 2014 23:48:36 -0400 (EDT) Message-ID: References: <87ha60svmk.fsf@approx.mit.edu> <1FAEB3CA-E8E6-44BB-AE31-0C69D9BC5509@icloud.com> <87eh14so9b.fsf@approx.mit.edu> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1397188155 690 80.91.229.3 (11 Apr 2014 03:49:15 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 11 Apr 2014 03:49:15 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Fri Apr 11 05:49:08 2014 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from balder.ntg.nl ([5.39.185.229]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WYSSg-0007fh-Th for gctc-ntg-context-518@m.gmane.org; Fri, 11 Apr 2014 05:49:06 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 2A68C10220 for ; Fri, 11 Apr 2014 05:49:06 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 2obqFDmv7XEM for ; Fri, 11 Apr 2014 05:49:06 +0200 (CEST) Original-Received: from balder.ntg.nl (localhost [IPv6:::1]) by balder.ntg.nl (Postfix) with ESMTP id 7F70610222 for ; Fri, 11 Apr 2014 05:48:58 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 1052A101E3 for ; Fri, 11 Apr 2014 05:48:54 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 6Ox5VJgVCEKR for ; Fri, 11 Apr 2014 05:48:52 +0200 (CEST) Original-Received: from filter3-ams.mf.surf.net (filter3-ams.mf.surf.net [192.87.102.71]) by balder.ntg.nl (Postfix) with ESMTP id 44C07101E1 for ; Fri, 11 Apr 2014 05:48:42 +0200 (CEST) Original-Received: from hackers.mr.itd.umich.edu (smtp.mail.umich.edu [141.211.14.81]) by filter3-ams.mf.surf.net (8.14.3/8.14.3/Debian-9.4) with ESMTP id s3B3mdFJ013469 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Fri, 11 Apr 2014 05:48:41 +0200 Original-Received: FROM adi-thinkpad.local ((null) [135.0.226.162]) By hackers.mr.itd.umich.edu ID 53476615.B56E0.19927 ; Authuser adityam; 10 Apr 2014 23:48:37 EDT In-Reply-To: <87eh14so9b.fsf@approx.mit.edu> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) X-Bayes-Prob: 0.0001 (Score 0, tokens from: ntg-context@ntg.nl, base:default, @@RPTN) X-CanIt-Geo: ip=141.211.14.81; country=US; region=Michigan; city=Ann Arbor; latitude=42.2734; longitude=-83.7133; http://maps.google.com/maps?q=42.2734,-83.7133&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 03LMrMEID - 2b11847acec5 - 20140411 X-Scanned-By: CanIt (www . roaringpenguin . com) on 192.87.102.71 X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.14 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ntg-context-bounces@ntg.nl Original-Sender: ntg-context-bounces@ntg.nl Xref: news.gmane.org gmane.comp.tex.context:86982 Archived-At: On Thu, 10 Apr 2014, Sanjoy Mahajan wrote: > Jannik, > > You are right. \nabla looks much nicer and is placed correctly. (I > still think the \triangledown placement is slightly off.) > > My environment files from MkII days have \def\nabla{\triangledown}, so I > never tried the true \nabla until your suggestion. In MkIV: \triangledown is mapped to 0x25BD while nabla is mapped to 0x2207. These are different glyphs. IIUC, the difference in placement is because \triangledown is defined as a mathop (and hence centered on the math-axis) while \nabla is defined as a mathord. Compare: \startformula \nabla T \quad \triangledown T \quad \mathop{\nabla} T \stopformula >From what I remember, I was the one who added the mappings for triangledown as a mathop based on, I believe, unicode-math package in LaTeX. I don't understand what all the "triangle operators" are supposed to do. As such, I cannot say whether the wrong placement is due to the wrong font metrics or the wrong mapping (mathop vs mathord) by ConTeXt. Aditya ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________