----- Original Message ----- 
From: "Rob Withers" <reefedjib at yahoo.com>

> I think I'll work on defining a frame size of 80, as a nice round number.

I just read the following comment in ObjectMemory 
class>>#initializeWithBytesToWord:

 "Large contexts have 56 indexable fileds.  Max with single header word."

Could someone explain what this is all about?  What is it about a single 
header word that limits it?

thanks,
Rob