[XeTeX] strange xelatex behaviour, possibly bug?

[Jonathan Kew]

On 3 Sep 2008, at 10:18 AM, Arnošt Štědrý wrote:

> hi all,
>
> i found strange problem with the xelatex.
>
> compiling this minimal example:
>
> \documentclass[twoside]{book}
> \usepackage{fontspec}
> \usepackage{xunicode}
> \usepackage{xltxtra}
> \setromanfont[Mapping=tex-text]{Minion Pro}
> \begin{document}
> 2008\_07-08
> \end{document}
>
> xelatex produce this result:
>
> 2008_07-07-08

Yes, it's a bug....

>
> i use xetex 996:

...in 0.996, and is fixed in the current code. See TeX Live 2008,  
MikTeX 2.7, etc., which include XeTeX 0.999.

JK