p4raw-id: //depot/perl@24430
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=head1 NAME
perlreftut - Mark's very short tutorial about references
=head3 B<Use Rule 2>
-B<Use Rule 1> is all you really need, because it tells you how to to
+B<Use Rule 1> is all you really need, because it tells you how to do
absolutely everything you ever need to do with references. But the
most common thing to do with an array or a hash is to extract a single
element, and the B<Use Rule 1> notation is cumbersome. So there is an