[XeTeX] Mysterious nonzero lastskip

[Jonathan Kew]

On 2 Dec 2009, at 04:35, David M. Jones wrote:

>> Date: Tue, 1 Dec 2009 22:07:58 -0500
>> From: dmj at ams.org
>
> Earlier I wrote:
>
>> I don't even begin to understand how OpenType fonts are integrated
>> into XeTeX, so that's as far as I can go.
>
> But on further reflection, why should I allow ignorance stop me from
> speculating?

There's something more than ignorance here :) .... your speculation  
looks pretty accurate to me! Thanks for the analysis.

JK