From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/30818 Path: news.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: Missing \dddot and \ddddot Date: Fri, 15 Sep 2006 09:31:57 +0200 Message-ID: <450A56ED.2070808@wxs.nl> References: <45094609.9090206@cs.com> <4509A537.8040402@wxs.nl> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Trace: sea.gmane.org 1158305544 2677 80.91.229.2 (15 Sep 2006 07:32:24 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Fri, 15 Sep 2006 07:32:24 +0000 (UTC) Original-X-From: ntg-context-bounces@ntg.nl Fri Sep 15 09:32:22 2006 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from ronja.vet.uu.nl ([131.211.172.88] helo=ronja.ntg.nl) by ciao.gmane.org with esmtp (Exim 4.43) id 1GO8BE-0004A4-6n for gctc-ntg-context-518@m.gmane.org; Fri, 15 Sep 2006 09:32:08 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 660441FE2D; Fri, 15 Sep 2006 09:32:07 +0200 (CEST) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (smtp.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 03644-07; Fri, 15 Sep 2006 09:32:00 +0200 (CEST) Original-Received: from ronja.vet.uu.nl (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id A9A6C1FE33; Fri, 15 Sep 2006 09:32:00 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id C653C1FE33 for ; Fri, 15 Sep 2006 09:31:59 +0200 (CEST) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (smtp.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 04061-02 for ; Fri, 15 Sep 2006 09:31:58 +0200 (CEST) Original-Received: from mail.pragma-ade.net (dsl-083-247-100-017.solcon.nl [83.247.100.17]) by ronja.ntg.nl (Postfix) with SMTP id C634B1FE2D for ; Fri, 15 Sep 2006 09:31:58 +0200 (CEST) Original-Received: from [10.100.1.104] (unverified [10.100.1.104]) by controller-1 (SurgeMail 3.7b8) with ESMTP id 7142 for ; Fri, 15 Sep 2006 09:31:58 +0200 User-Agent: Thunderbird 1.5.0.5 (Windows/20060719) Original-To: mailing list for ConTeXt users In-Reply-To: X-Server: High Performance Mail Server - http://surgemail.com r=-274017400 X-Authenticated-User: hagen@controller-1 X-Virus-Scanned: amavisd-new at ntg.nl X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.7 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 X-Virus-Scanned: amavisd-new at ntg.nl Xref: news.gmane.org gmane.comp.tex.context:30818 Archived-At: Aditya Mahajan wrote: > On Thu, 14 Sep 2006, Hans Hagen wrote: > > >> Aditya Mahajan wrote: >> >>> On Thu, 14 Sep 2006, WN wrote: >>> >>> >>> >>>> Hello, >>>> I need to use \dddot and \ddddot in one of my documents, does anyone >>>> know how to >>>> define these math symbols. >>>> >>>> >>> The trouble is that most fonts do not contain these accents. >>> amsmath.sty gets over this definition by faking these symbols. It is >>> easy to port these definitions to context. >>> >>> amsmath.sty definition >>> >>> \newcommand{\dddot}[1]{% >>> {\mathop{#1}\limits^{\vbox to-1.4\ex@{\kern-\tw@\ex@ >>> \hbox{\normalfont ...}\vss}}}} >>> \newcommand{\ddddot}[1]{% >>> {\mathop{#1}\limits^{\vbox to-1.4\ex@{\kern-\tw@\ex@ >>> \hbox{\normalfont....}\vss}}}} >>> >>> >>> Converting to context >>> >>> %--------------------%<------------------------------------ >>> \unprotect >>> >>> % The true copy of amsmath definitions >>> \def\amsdddot {\limits^{\vbox to -1.4ex{\kern-2ex\hbox{\the\textfont\z@ ...}\vss}}} >>> \def\amsddddot{\limits^{\vbox to -1.4ex{\kern-2ex\hbox{\the\textfont\z@....}\vss}}} >>> >>> % I do not understand why you need to give negative height >>> >>> >> \setbox\scratchbox{..} \ht\scratchbox0pt \dp\scratchbox-2pt >> > > I was wondering why amstex definition does this, as the 1.4ex depth > was too big. Then I realized that it is not 1.4ex but 1.4\ex@ with > \ex@ as .2326ex. ughh....the ugly syntax of plain tex... > > So here is a more reliable reproduction of amstex dddot and ddddot > > \newdimen\amstexex > > \amstexex = .2326ex > what's this funny number based on, somehow related to interlinespace? one cannot define a measure globally this way, since an ex is font dependent,; \def\amstexex{\dimexpr.08\lineheight\relax} or so may be better > \def\dotsadjustbox#1% > {\vbox to -1.4\amstexex{\kern-2\amstexex > \hbox{\the\textfont\zerocount#1}\vss}} > > \def\dddot#1% > {{\mathop{#1}\limits^{\dotsadjustbox{...}}}} > > \def\ddddot#1% > {{\mathop{#1}\limits^{\dotsadjustbox{....}}}} > > \starttext > $\dddot{a}_{\dddot{b}}$ > > $\ddddot{a}_{\ddddot{b}}$ > \stoptext > > Hans, can these definitions be added to the core? > > Aditya > _______________________________________________ > ntg-context mailing list > ntg-context@ntg.nl > http://www.ntg.nl/mailman/listinfo/ntg-context > -- ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------