GW> Interestingly Professor Knuth does cover insertion sort (Shellsort)
GW> before exchange sorts (Bubble sort).
"Shell sort": how does that one work? (you needn't post code, a "5 line"
description will do.) and why are you calling it "insertion sort" if it's
better than qsort?
GW> "In short, the bubble sort seems to have nothing to recommend it,
GW> except a catchy name and the fact it leads to some interesting
GW> theoretical problems."
IOW it's about as useful as "hello world" :)
                        
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