Back in the 90's, Andreas was working on various SmartCard projects. Most of it involved programming 8051 microcontrollers. One particular project required him to replace magnetic stripe card readers with SmartCard readers while emulating the exact behaviour of the previous hardware.

After weeks of back and forth between the customer and him, his final job was to clean up the code and comments for the final release. And this is when he found this little nugget ...

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