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**To**:*lcs@suntopo.matups.fr***Subject**:**Re: Bert Horn on New Math****From**:*jeremy@cs.aukuni.ac.nz***Date**: Tue, 12 Oct 93 12:20:38 NZD**Cc**:*math-font-discuss@cogs.susx.ac.uk*

Laurent Siebenmann wrote: > Quick question: Do you recommend Lucida bright for > heavy mathematics. I am interested but fear the math sys has > never been debugged. and Berthold Horn replied: > Yes, I can recommend Lucida Bright + Lucida New Math for > heavy math. The fonts and the TeX macro files have been > thoroughly tested. I know of at least one bug in the TeX macro files coming with LB+LNM from Y&Y. I announced it on comp.text.tex, and was met with a stunned silence; I presume our news feed was up the creek. In essence, some closing-bracket symbols are given the catcodes of opening-brackets. Here is what I wrote: > Newsgroups: comp.text.tex > Path: cs18.cs.aukuni.ac.nz!cs18.cs.aukuni.ac.nz!jeremy > From: jeremy@hmu1.cs.aukuni.ac.nz (Jeremy Gibbons) > Subject: Bugs in Y&Y's TeX macros for Lucida fonts > Sender: news@cs.aukuni.ac.nz (USENET News System) > Organization: Funky Monkey Multimedia Corp. > Date: Mon, 6 Sep 1993 07:00:53 GMT > > We bought Y&Y's Lucidabright fonts recently. They came with a whole bunch > of very useful TeX macros to access the fonts. I've been getting anomolous > results in setting maths with them; the spacing in `$(1+2)+3$' is all wrong > (the second `+' has no spacing round it, whereas the first is nicely > spaced). It turns out the the problem is wrong settings in the files > lcdplain.tex and lcdlatex.tex; they contain the lines > > > \mathcode`\[="4186 \delcode`\[="186302 > > \mathcode`\]="4187 \delcode`\]="187303 > > and > > > \mathcode`\(="4184 \delcode`\(="184300 > > \mathcode`\)="4185 \delcode`\)="185301 > > and > > > \def\ldbrack{\delimiter"4182382} > > \def\rdbrack{\delimiter"4183383} > > That is, `]', `)' and `\rdbrack' are all defined to be `openings' rather > than `closings'. The fix is to use 5s rather than 4s: > > > \mathcode`\[="4186 \delcode`\[="186302 > > \mathcode`\]="5187 \delcode`\]="187303 > > and > > > \mathcode`\(="4184 \delcode`\(="184300 > > \mathcode`\)="5185 \delcode`\)="185301 > > and > > > \def\ldbrack{\delimiter"4182382} > > \def\rdbrack{\delimiter"5183383} > > Berthold: could you pass this on to Y&Y? Thanks. > > Jeremy > -- > Jeremy Gibbons <jeremy@cs.aukuni.ac.nz> tel: +64 9 373 7599 x5120 > Department of Computer Science, fax: +64 9 373 7453 > University of Auckland, Private Bag 92019, Auckland, New Zealand.

**References**:**Bert Horn on New Math***From:*lcs@suntopo.matups.fr (Laurent Siebenmann)

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