[DGD] predictor compression?

[Erwin Harte]

On 5/29/13 2:24 PM, Raymond Jennings wrote:
> I'm staring at the compress() function in sdata.c and there's a macro
> reference to "predictor compression" as a control flag, but staring at the
> function I am totally lost.
>
> Google hasn't been mucn help...
>
> Does anyone know a place where I can study whatever compress() is using as
> an algorithm?
>
> I'm stumped.

Entering "predictor compression algorithm" into Google gives me this 
as the third link:

     https://www.ietf.org/rfc/rfc1978.txt

Could that be it?

--Erwin