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Note that you will most likely use $Registry instead of using a tied h
+ash. $Registry is a reference to a hash that has been tied to the vir
+tual root of your computer's Registry [as if, $Registry= \%RegHash]. 
+So you would use $Registry->{Key} rather than $RegHash{Key} and use k
+eys %{$Registry} rather than keys %RegHash, for example.