One use of a #DEFINEd constant is to conditionally include a portion of code in the app. For example, your could put debug stuff inside #IF...#ENDIF that will be included in the app only if a constant is .T. Same thing for a demo app.

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>Is there any reason to use a #DEFINEd constant instead of a local var? I've seen it done, but am not aware if the rationale, particularly when trying to debug...