Partial custom fields design document

[Gervase Markham]

Sean McAfee wrote:
> Rather than wait the several days I anticipate it will take to crank the
> entire thing out, I plan to post it here, incrementally, as I complete it.
> I'll work any changes agreed upon by the group into subsequent versions.
> The initial cut is attached; have at it!

Sean,

I was planning to have a look at this, and then read the above. Is there 
a newer cut than the one you posted on the 12th, or is that still the 
one to review?

Gerv