Logged In: YES 
user_id=995755

I just attached an updated patch.  I based the patch on 
diff.py(CVS1.1) and difflib.py(CVS1.20) which was the latest I 
saw today on viewCVS.

The following enhancements were made:
1) user interface greatly simplified for generating HTML (see 
diff.py for example)
2) generated HTML now 4.01 Transitional compliant (so says 
HTML Tidy)
3) HTML color scheme for differences now matches that used 
by viewCVS.
4) differences table now has a row for each line making the 
HTML less susceptible to browser quirks.
5) took care of all issues to date enumerated here in this 
patch.

It would be great if I could get some help on:
A) getting some JavaScript? written to be able to select and 
cut text from a single column (right now text is selected from 
the whole row including both "from" and "to" text and line 
numbers.
B) solving the line width issue.  Currently the "from" / "to" 
column is as wide as the widest line.  Any ideas on wrapping 
or scrolling?

As of now the only feature I may want to add in the near 
future is optional tab expansion.

Thanks to those that have commented here and emailed me 
with suggestions and advice!