[XeTeX] Problem changing default fonts

[Drébon]

On 26/09/2010 20:40, Will Robertson wrote:
> On 2010-09-27 02:14:03 +0930, Drébon <bedouin_drebon at hotmail.com> said:
>
>> \usepackage{pxfonts}
>> \usepackage{txfonts}
>> \usepackage[osf,sc]{mathpazo}
>
> You just changed the math/text font three times...

Actually, it has not just the effect of changing the font three times... 
Certian of theses packages also define symbols that are not in the last 
one. For example \Diamondblack is defined by pxfonts and not mathpazo or 
helvet...

Regards,

-- 
D.