[XeTeX] Conflict between xunicode and fontspec?

[François Charette]

> I have a question:  why should polyglossia be written from scratch?
> Couldn't Babel be "updated" to be used with XeLaTeX?
>
> I think it is a waste of time and effort to write polyglossia instead
> of improving what Babel does.  Is is really incompatible with no
> way to make it work with XeLaTeX?
>
>   

In addition to what Will already wrote, read the previous threads on 
polyglossia. You will realize that: 1) it is not written from scratch 
and 2) it is not based on Babel either! ;)

FC