[XeTeX] Problem: Beamer+xelatex+\XeTeXdefaultencoding

[Will Robertson]

On 2010-06-22 05:32:57 -0700, Jonathan Kew 
<jfkthame at googlemail.com> said:

> It turns out the problem can also be triggered by setting 
> \XeTeXinputnormalization=1 (or 2) in a similar way.

This post is to remind me to add this primitive to xetexref. I don't 
think it's in there. (I'm in SF right now, so I'm not able to do it 
yet.) Is it documented anywhere else?

W