In the 1990s, the author helped debug someone’s Lotus 1-2-3 setup via fax due to the lack of online connection and expensive transatlantic phone calls. They requested information about printer options through specific commands like /ppomr and /ppoml to adjust margins and headers. The author emphasizes the importance of the Zeroth Law of Debugging: testing changes quickly to observe outcomes. The unique aspect of this story is the use of fax communication and mailing floppy disks to collaborate on debugging. The lesson learned is to streamline the debugging process and avoid unnecessary delays.
https://blog.jgc.org/2025/03/debugging-lotus-1-2-3-by-fax.html