> According to the table on page 6 in the current microtype
> package, XeTeX *does* support character protrusion!
>
> I said that in my first mail. XeTeX supports protrusion,
I missed that, sorry.
> but (unfortunately) not expansion. In my experience, protrusion has
> little effect; expansion is where the interest lies.
Well, it's better than nothing...
> Karl, can you please add that to your patch?
>
> Thus, I don't think it's worth the trouble to add support when it's
> only protrusion. So I won't be working on this. Sorry.
OK, I'll prepare a patch.
Werner