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Testing for alternate Environment variables

1997-06-07 04:45:00
First, thank you for those who pointed out my rather elementary
error with setting the variable earlier. :>  It's fixed, and  now
works well.

And now I have a second question.  Is it possible to test for the
presence of one of a list of variables, like this:

:0
* (TAG1 ?? yes|\
   TAG2 ?? yes|\
   TAG3 ?? yes)
/dev/null


Catherine