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              Even a program of a single instruction can have bugs
                                        
The previous entry [1] reminded of the following computer joke:

> Every program has at least one bug and can be shortened by at least one
> instruction—from which, by induction, one can deduce that every program can
> be reduced to one instruction which doesn't work.
> 

Only it's not a joke—it really happened! [2]

[1] gopher://gopher.conman.org/0Phlog:2015/02/02.1
[2] http://en.wikipedia.org/wiki/IEFBR14#Implementation

Email Sean Conner at sean@conman.org

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