Appears to be (looking at Effective perl) a typo, as the chapter leans heavily on (?: just before the example. You should mention it to merlyn as its not in the errata (neither is the misspelled 'Eart' on page 64 ;-)

a

In reply to Re: Re: Alternation in Effective Perl Programming Example by a
in thread Alternation in Effective Perl Programming Example by Carl-Joseph

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