Hi Ludo,
> This is a non-free document (ACM...) so I think we should not refer to
> it. Perhaps instead this could read along the lines of:
>
> ... a technique called @dfn{implicit phasing} (first described by
> Abdulaziz Ghuloum and R. Kent Dybvig) ...
>
> Thoughts?
Eep! My mistake. I'd found a freely-downloadable copy of the paper
on Indiana University's servers and had missed the ACM boilerplate
text embedded in it.
I'll make the changes you've suggested and commit an updated version.
Thanks for the review!
Regards,
Julian
