>>>Never thought of that... the way I always handle this is to make sure I have
>>>the PATH set to the data directory, and that works for me to keep relative
>>>references in the DE....
>>Yes, usually it's sufficient, but if in some rare case you will get two
>>duplicate data sets with one on the same path as it preserved in DE and you
>>actually assume to use another one, then you get in troubles. I mean that few
>>lines in DE.BeforeOpenTables event can save from getting crazy here.
>
>I wish it were that rare. :-( Yet another argument for doing the DE in code so it's subclassable, right?

Probably not, but it's really question of taste. For me, those few lines in BeforeOpenTables make this job.