From: Paul Rohr (paul@abisource.com)
Date: Fri May 17 2002 - 19:30:22 EDT
The preceding email got long, so I wanted to quickly highlight one thing.  
We seem to have (at least) two separate problems to solve here:
1.  how/when to detect/flag all changes in a single version
2.  how to represent changes from multiple versions simultaneously
Key issues for #1 are whether to do so at edit time, or at export time, and 
if so how.  For one starting point on thinking that through, see my previous 
message. 
Key issues for #2 are currently being addressed in the revision marks 
thread.  I haven't thought those through at all.  
bottom line
-----------
As always, I want to make this distinction explicit so that people realize 
when and whether they're talking past each other.  I think the two issues 
are at least somewhat orthogonal. 
Obviously, we eventually need a design which works on both levels, but in 
the mean time, it may help to tackle each one on the assumption that the 
other can be solved.  
Paul
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