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From: Roland Jesse <jesse@mail.CS.Uni-Magdeburg.De>
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Date: Fri, 14 May 1999 12:06:25 +0200 (MET DST)
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Sorry, I missed to clarify this:

 > whether my "if [[ -z $RTI_USE_CONSOLE ]];" is really the same as "if ( !
 > $?RTI_USE_CONSOLE )"...)

Of course, it is not. ${+RTI_USE_CONSOLE} does the job. I just wasn't
looking for it in "Parameter Expansion."

Sorry for the noise.

	Roland