[XeTeX] xelatex + slanted

[Will Robertson]

On 2009-06-28 18:33:02 +0930, "M. Niedermair" 
<m_g_n at gmx.de> said:

> if i use a Type 1 font, i can use SlantFont in the map-file, to produce 
> a slanted variant from a regular font.
> 
> e.g.
> fxbbo-xb-02 LinBiolinumB " xb02Encoding ReEncodeFont 0.25 SlantFont " 
> <xb-02.enc <fxbb.pfb
> 
> 
> How can i do this with xelatex and a otf-Font?

\fontspec[FakeSlant=0.25]{MyFont}

Will