The =over represents how far over text of an =item is. Here's an example of the proper usage.

=head Test

=over 10

=item ABC

This is inlined with "ABC", but 10 spaces from the left margin.

=item MUCH TOO LONG

This is on the line below "MUCH TOO LONG", but 10 spaces from the left
+ margin.

=back
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Jeff[japhy]Pinyan: Perl, regex, and perl hacker, who'd like a (from-home) job
s++=END;++y(;-P)}y js++=;shajsj<++y(p-q)}?print:??;