Logged In: YES 
user_id=80475

I looked at possible wording changes but prefer the docs as 
they stand.  Others have found the docs to be perfectly 
clear.  Any more text about worse case ratios to minimal edit 
distances would, IMO, be a distractor and make the docs less 
clear.

Marking this one as won't fix and closing.

We do appreciate the report.  Since this is an area of interest 
for you, consider designing a plug-in replacement using the 
Levenshtein algorithm and post it to the Vaults of Parnassus 
or in ActiveState's cookbook.  That would provide some 
benefit to the occassional seeker of a minimal edit sequence.