[XeTeX] Problems with spacing in math formulae

Khaled Hosny khaledhosny at eglug.org
Wed Oct 20 00:43:36 CEST 2010

On Wed, Oct 20, 2010 at 08:51:19AM +1030, Will Robertson wrote:
> On 2010-10-20 07:52:09 +1030, Ross Moore <ross.moore at mq.edu.au>
> said:
> >On 20/10/2010, at 6:14 AM, Christian Pech wrote:
> >
> >>I already reported this problem a week ago, but maybe the message got lost.
> >>The following latex-file produces wrong spacing when compiled with xelatex,
> >
> >I confirm the bad layout, as reported below.
> >This is using freshly download versions of  unicode-math
> >and  euler.otf .
> Strangely enough, I *cannot* reproduce this.
> (I've had a similar bug report before.)
> I suspect it's an engine bug. I'm using TL2010 on Mac OS X 10.6.

I can reproduce it and while ago have seen it in a posted sample
somewhere on the web. I don't know what is special about Euler's
display summation to trigger such a bug (if it is actually a bug), text
style summation is just fine.

\setmathfont[math-style=upright]{Neo Euler}
\[ \sum_{x+1}^{a} \quad\textstyle\sum\limits_{x+1}^{a} \]


 Khaled Hosny
 Arabic localiser and member of Arabeyes.org team
 Free font developer
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