[XeTeX] XeTeX equivalent to \pdfpagewidth ?

[Will Robertson]

On 2010-07-02 07:22:18 -0700, Ulrike Fischer 
<news3 at nililand.de> said:

> But if you set \pdfpagewidth you should also set \pdfpageheight. At
> least on my system (miktex 2.7) xetex will otherwise \pdfpagewidth
> setting.
> 
> \documentclass{article}
> \pdfpagewidth=20cm
> %\pdfpageheight=15cm %needed too.

IMO this should be reported as a bug.
But what do I know... does this the same thing happen in pdftex?

(Sorry, recovering from jetlag so can't test for myself right now.)

W