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by pan69
784 days ago
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When using line numbers you wouldn't go from 1 to 2 to 3 etc, but from 10 to 20 to 30 so that you can always insert a line (e.g. 11) between 10 and 20. After a while when the numbering became to messy, you'd issue a RENUM command to renumber the entire program, e.g. RENUM 10 would make the first line 10, and then use increments of 10 for subsequent lines. At that point you start over by re-inserting new lines between the others. |
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