From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/68682 Path: news.gmane.org!not-for-mail From: Aditya Mahajan Newsgroups: gmane.comp.tex.context Subject: Re: math: too big space between function and argument Date: Tue, 24 May 2011 09:56:34 -0400 (EDT) Message-ID: References: <1306235645.4255.17.camel@mattotaupa> 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 1306245416 15380 80.91.229.12 (24 May 2011 13:56:56 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 24 May 2011 13:56:56 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Tue May 24 15:56:51 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 1QOs6M-0001CC-3b for gctc-ntg-context-518@m.gmane.org; Tue, 24 May 2011 15:56:50 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 158E7CAD69; Tue, 24 May 2011 15:56:49 +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 HOUvTkbLUb0d; Tue, 24 May 2011 15:56:46 +0200 (CEST) Original-Received: from balder.ntg.nl (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 22444CAD5D; Tue, 24 May 2011 15:56:46 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 7BFACCAD5D for ; Tue, 24 May 2011 15:56:44 +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 gFXXRzawugpH for ; Tue, 24 May 2011 15:56:42 +0200 (CEST) Original-Received: from filter4-til.mf.surf.net (filter4-til.mf.surf.net [194.171.167.220]) by balder.ntg.nl (Postfix) with ESMTP id E84B8CAD52 for ; Tue, 24 May 2011 15:56:41 +0200 (CEST) Original-Received: from tombraider.mr.itd.umich.edu (smtp.mail.umich.edu [141.211.12.86]) by filter4-til.mf.surf.net (8.14.3/8.14.3/Debian-5+lenny1) with ESMTP id p4ODudK1024223 for ; Tue, 24 May 2011 15:56:41 +0200 Original-Received: FROM adi-netbook (bas3-montreal02-1096681357.dsl.bell.ca [65.94.7.141]) By tombraider.mr.itd.umich.edu ID 4DDBB915.55F97.30977 ; Authuser adityam; 24 May 2011 09:56:37 EDT In-Reply-To: <1306235645.4255.17.camel@mattotaupa> User-Agent: Alpine 2.02 (LNX 1266 2009-07-14) X-Bayes-Prob: 0.0001 (Score 0, tokens from: @@RPTN) X-CanIt-Geo: ip=141.211.12.86; country=US; region=MI; city=Ann Arbor; postalcode=48109; latitude=42.2923; longitude=-83.7145; metrocode=505; areacode=734; http://maps.google.com/maps?q=42.2923,-83.7145&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 05ELpUDlV - 2b4347df2f76 - 20110524 X-Scanned-By: CanIt (www . roaringpenguin . com) on 194.171.167.216 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:68682 Archived-At: On Tue, 24 May 2011, Paul Menzel wrote: > Dear ConTeXt folks, > > > to markup the probability measure and the parenthesis around the > argument, I defined the following command. > > \define[1]\P{{\mathbf P}\left( #1 \right)} > > Unfortunately the space between the P and the left ( is a little big in > my opinion. Is that correct or should/can I fix that somehow? Getting these spaces is tricky; especially if you consider spaces before and after the definition. Choose your pick: \starttext \startformula A{\mathbf P}\left( ABC \right)B \quad A\mathop{\kern\zeropoint\mathbf P}\left( ABC \right)B \quad A{\mathbf P}\mathopen{}\left( ABC \right)\mathclose{}B \quad A\mathop{\kern\zeropoint\mathbf P}\mathopen{}\left( ABC \right)\mathclose{}B \quad \stopformula \stoptext Some information from the mathsets module (which does not work with MkIV). The entry is the latex bug database is not viewable now. %D The \type{\left} and \type{\right} generate a math atom of type inner, %D while for math sets, we want a math open atom. To see the difference, %D consider %D %D \startbuffer %D \startformula %D 2\left(\frac {3}{4} \right) \qquad \hbox{ vs } \qquad %D 2\biggl( \frac {3}{4} \biggr) %D \stopformula %D %D and %D %D \startformula %D \Pr\left(\frac {3}{4} \right) \qquad \hbox{ vs } \qquad %D \Pr\biggl( \frac {3}{4} \biggr) %D \stopformula %D \stopbuffer %D \typebuffer %D %D which gives (notice the spacing before the parenthesis) %D %D \getbuffer %D %D I will assume that if \type{text} is something, then %D the default behaviour is desirable, if \type{text} is empty, then I add %D \type{\mathopen} and \type{\mathclose}. Using \type{\mathopen} to correct %D the spacing is due to Frank Mittelbach, see %D \hyphenatedurl{http://www.latex-project.org/cgi-bin/ltxbugs2html?pr=latex/3853} %D %D Mathset module ensures that we get the correct spacing in both cases %D \startbuffer %D \definemathset[SET][left=(,right=)] %D \startformula %D 2\SET{\frac{3}{4}} \qquad \hbox{ and } \qquad %D \PR{ \frac{3}{4} } %D \stopformula %D \stopbuffer %D \getbuffer[PR] \getbuffer which was typed as \typebuffer %D %D Also, if its argument is a single character, \type{\mathop} centers it to %D with respect to the math||axis. Compare the outputs of %D %D \startbuffer %D \ruledhbox{$\mathop{y}\nolimits_x\left\{A\,\middle|\,B\right\}$} %D \ruledhbox{$\mathop{\kern\zeropoint y}\nolimits_x\left\{A\,\middle|\,B\right\}$} %D \stopbuffer %D %D \typebuffer %D \getbuffer %D %D I have added a \type{\kern\zeropoint} to prevent that. 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 ___________________________________________________________________________________