[plt-scheme] Undefine variable?

From: Zbyszek Jurkiewicz (zbyszek at duch.mimuw.edu.pl)
Date: Fri Feb 28 07:36:17 EST 2003

Is it possible to undefine (or unset) "global" variable in current 

In some package I create at execution time a lot of variables and from 
time to time want to garbage clean some of them. Variables are created
by namespace-set-variable-value!

Zbyszek Jurkiewicz

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