From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/86986 Path: news.gmane.org!not-for-mail From: "Mikael P. Sundqvist" Newsgroups: gmane.comp.tex.context Subject: Re: \triangledown placed too low in Palatino Date: Fri, 11 Apr 2014 07:24:33 +0200 Message-ID: References: <87ha60svmk.fsf@approx.mit.edu> <1FAEB3CA-E8E6-44BB-AE31-0C69D9BC5509@icloud.com> <87eh14so9b.fsf@approx.mit.edu> <878urcse5x.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" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1397193899 2417 80.91.229.3 (11 Apr 2014 05:24:59 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 11 Apr 2014 05:24:59 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Fri Apr 11 07:24:55 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 1WYTxO-00016k-25 for gctc-ntg-context-518@m.gmane.org; Fri, 11 Apr 2014 07:24:54 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 8470A1022B for ; Fri, 11 Apr 2014 07:24:53 +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 voQKymym2aZ5 for ; Fri, 11 Apr 2014 07:24:53 +0200 (CEST) Original-Received: from balder.ntg.nl (localhost [IPv6:::1]) by balder.ntg.nl (Postfix) with ESMTP id 73AB810228 for ; Fri, 11 Apr 2014 07:24:49 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id C93B7101E3 for ; Fri, 11 Apr 2014 07:24:45 +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 mNWjk2glDCvj for ; Fri, 11 Apr 2014 07:24:44 +0200 (CEST) Original-Received: from filter2-til.mf.surf.net (filter2-til.mf.surf.net [194.171.167.218]) by balder.ntg.nl (Postfix) with ESMTP id 15E74101E1 for ; Fri, 11 Apr 2014 07:24:34 +0200 (CEST) Original-Received: from mail-wg0-x229.google.com (mail-wg0-x229.google.com [IPv6:2a00:1450:400c:c00::229]) by filter2-til.mf.surf.net (8.14.3/8.14.3/Debian-9.4) with ESMTP id s3B5OXse015108 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Fri, 11 Apr 2014 07:24:33 +0200 Original-Received: by mail-wg0-f41.google.com with SMTP id n12so4928028wgh.12 for ; Thu, 10 Apr 2014 22:24:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=MQhEAiGXGnpfzY3J9WLGYloCmxyY+OHfzmzj6TBTtT4=; b=xsU6TyfgK4Bss0AbzCXcpIIuPEjssH1qrD7IVZF0qMl7Syw4FjY0g2sC5Hg6npN+9e ofN4CiXTL8dbaY7R4pKSKF/lX7SMr2XW3cjFUfJVNHmUY0VS75KJdM8dCSZaMqK7KnVh 8+k5j3AVv+/QNOY7PvUDzIH0Qjyewo10Zb3CQVsWtoAbxJH9rbW4Az2ifA9B9+9Ji8a5 TekNliRmz5WjthrDpk6/lc2O5AJSAnG9/gEKHd+mPWKTYQcA9TOsX+HHeZzC6a+mG09X YrTMnsgYsvmzxCxKn3rIcjz1hlKhK+vD2DCVbMFzGP8tsjr0U4rt7Uci4f2jCvUztz7c BF3Q== X-Received: by 10.180.72.205 with SMTP id f13mr1368702wiv.45.1397193873187; Thu, 10 Apr 2014 22:24:33 -0700 (PDT) Original-Received: by 10.180.93.72 with HTTP; Thu, 10 Apr 2014 22:24:33 -0700 (PDT) In-Reply-To: <878urcse5x.fsf@approx.mit.edu> X-Bayes-Prob: 0.0001 (Score 0, tokens from: ntg-context@ntg.nl, base:default, @@RPTN) X-CanIt-Geo: ip=2a00:1450:400c:c00::229; country=IE X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 0TLMtoxRL - 0eec0679cc0f - 20140411 (trained as not-spam) X-Scanned-By: CanIt (www . roaringpenguin . com) 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:86986 Archived-At: Instead of \triangle you "should" use \Delta for the laplacian (as you should use \nabla for the gradient). Mikael On Fri, Apr 11, 2014 at 6:06 AM, Sanjoy Mahajan wrote: >> I cannot say whether the wrong placement is due to the wrong font >> metrics or the wrong mapping (mathop vs mathord) by ConTeXt. > > I tried '\triangle T' (often used as the Laplacian operator, instead of > writing it out as \nabla^2). That one comes out fine, even though > \triangledown does not. But they seem to have similar kinds of > defintions/mappings: > > From luatex-math.tex : > > \def\triangle {\Umathchar "0"0"0025B3 } > \def\triangledown {\Umathchar "2"0"0025BD } > > So it must be a wrong font metric? > > -Sanjoy > ___________________________________________________________________________________ > 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 > ___________________________________________________________________________________ ___________________________________________________________________________________ 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 ___________________________________________________________________________________