[fruchtose]

> Exactly, and the algorithm used is, as I said, attributed to Levenshtein.

I cited Levenshtein by name in my original comment. I'm guessing you didn't read everything what I wrote, because I don't understand why you would think there's an issue otherwise.

> Expressing it as a ratio is hardly novel.

The whole reason I linked to Alex Martelli's post is because it's his work, not mine, novel or otherwise. I just cited the resourced I used.