Transatlantic 1-2-3 Debugging: A Zeroth Law Story

Around 1990, the author debugged a client's Lotus 1-2-3 setup via fax due to expensive transatlantic phone calls. By guiding the client through commands like `/ppomr` and `/ppoml` to obtain printer margin information, the issue was resolved. This highlights the 'Zeroth Law of Debugging': use the smallest, fastest test case for rapid iteration and efficient problem-solving.