On Oct 18, 2005, at 7:41 PM, Lyndon Samson wrote:

> All this fidding with bits in the Thread "How to get non-unique
> elements from an array" got me digressing to search engines and
> indexing.

[snip quiz idea]

Is there any interest in this?  I'm fine with running it, if anybody  
thinks they would like to work it.

James Edward Gray II