Eliminate doubles in a long list field

[Dar Scott]

On Saturday, June 28, 2003, at 06:03 PM, Yennie at aol.com wrote:

> Slower than the keys() version, but keeps the original order of the 
> unique lines.

My guess is that it as fast as any of the others, so with keeping the 
original order this looks good.

If the order is not kept, then having items sorted may be required, 
which will slow down the keys() version a little anyway.

Dar Scott