On 11/08/2012 12:43, Shawn H Corey wrote:

No, @ISA is used only by Exporter.pm

Exporter makes no use of @ISA at all. This array is a per-package
variable used by Perl internally to implement object-oriented
inheritance. It is very often used to make a package a subclass of
Exporter, but that is by no means necessary.

Rob

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