From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/66700 Path: news.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: $n\choose k$-issue with OpenType math fonts Date: Sun, 06 Mar 2011 18:56:40 +0100 Message-ID: <4D73CAD8.3010808@wxs.nl> References: <2A0CC5D9-995B-414F-8523-BA4D3DC1AD8E@rz-online.de> <4D70F6F1.6080308@wxs.nl> <4D7375E5.7030805@wxs.nl> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1299434242 9994 80.91.229.12 (6 Mar 2011 17:57:22 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 6 Mar 2011 17:57:22 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Sun Mar 06 18:57:17 2011 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from balder.ntg.nl ([195.12.62.10]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1PwICg-00026H-L5 for gctc-ntg-context-518@m.gmane.org; Sun, 06 Mar 2011 18:57:14 +0100 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id F1CD7CAAAA; Sun, 6 Mar 2011 18:57:13 +0100 (CET) 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 IHmwAXN-dD9d; Sun, 6 Mar 2011 18:57:11 +0100 (CET) Original-Received: from balder.ntg.nl (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 83288CAAA4; Sun, 6 Mar 2011 18:57:11 +0100 (CET) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 85C86CAAA4 for ; Sun, 6 Mar 2011 18:57:10 +0100 (CET) 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 bmAQVJytJj1R for ; Sun, 6 Mar 2011 18:56:59 +0100 (CET) Original-Received: from filter7-ams.mf.surf.net (filter7-ams.mf.surf.net [192.87.102.75]) by balder.ntg.nl (Postfix) with ESMTP id 2544BCAA16 for ; Sun, 6 Mar 2011 18:56:59 +0100 (CET) Original-Received: from smtp.ziggozakelijk.nl (D57D1DA2.static.ziggozakelijk.nl [213.125.29.162]) by filter7-ams.mf.surf.net (8.14.3/8.14.3/Debian-5+lenny1) with ESMTP id p26Huur9014640 for ; Sun, 6 Mar 2011 18:56:57 +0100 X-Default-Received-SPF: pass (skip=loggedin (res=PASS)) x-ip-name=10.100.1.100; Original-Received: from [10.100.1.100] (unverified [10.100.1.100]) by pragma-net.nl (SurgeMail 5.1c2) with ESMTP id 7807-1713362 for multiple; Sun, 06 Mar 2011 18:56:46 +0100 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.13) Gecko/20101207 Lightning/1.0b2 Thunderbird/3.1.7 ThunderBrowse/3.3.5 In-Reply-To: X-Authenticated-User: hagen@controller-9 X-Bayes-Prob: 0.0001 (Score 0, tokens from: @@RPTN) X-CanIt-Geo: ip=213.125.29.162; country=NL; region=11; city=Den Haag; latitude=52.0833; longitude=4.3000; http://maps.google.com/maps?q=52.0833,4.3000&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 0DEfRUUKt - 20939027d4a0 - 20110306 X-Scanned-By: CanIt (www . roaringpenguin . com) on 192.87.102.75 X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.12 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: ntg-context-bounces@ntg.nl Errors-To: ntg-context-bounces@ntg.nl Xref: news.gmane.org gmane.comp.tex.context:66700 Archived-At: On 6-3-2011 6:03, Aditya Mahajan wrote: > On Sun, 6 Mar 2011, Hans Hagen wrote: > >> On 6-3-2011 1:25, Andreas Harder wrote: >>> >>> Am 04.03.2011 um 15:28 schrieb Hans Hagen: >>> >>>> On 4-3-2011 2:09, Andreas Harder wrote: >>>>> Hi all, >>>>> >>>>> I'm (re)tying to draw some attention to the $n\choose k$-issue with >>>>> OpenType math fonts. >>>>> >>>>> I've made some test files: >>>>> http://dl.dropbox.com/u/151837/OpenType-Math.7z >>>>> >>>>> The best output is generated by LuaLaTeX (at least for Asana and >>>>> Cambria). Would it be possible to correct the ConTeXt output as well? >>>> >>>> It depends what correction boils down to. Normally it's the opentype >>>> font parameters that control the threshold to the next step in a >>>> larger delimiter >>> >>> This subject is also discussed on the LuaLaTeX mailing list. >>> http://tug.org/pipermail/lualatex-dev/2011-March/thread.html#1118 >> >> hm, i actually decided to limit the number of mailing lists to follow >> so best provide a summary of conclusions instead of a link -) >> >> anyhow, I wonder if we really need to keep supporting this >> >> x \operator y >> >> kind of syntax (at least that's what crossed my mind when i saw that >> this atopwithdelims primitive was used in your example) .. maybe we >> should simply define a few extra commands and relax these primitives > > At the macro package level, I agree with this. The \over, \choose, \atop > etc macros can be made \undefined; We already have a high level > interface for them. > > Do you also want to remove them from the engine? That will simplify the > \mathstyle macros, but then luatex will not be backward compatible with > tex. (I don't care about that, but others would). no, we can keep them there as we want that compatibility (for plain etc) >> aditya: shouldn't we merge the m-newmath code into the core? > > Definitely. ok, will do Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl ----------------------------------------------------------------- ___________________________________________________________________________________ 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 ___________________________________________________________________________________