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Article:
  Using Perl in PostgreSQL
Subject:   correction
Date:   2007-01-24 13:50:08
From:   oicu
The line in the palindrome function that reads:


my ($canonical = lc $arg) =~ s/\s+//g;


should read:


my $canonical = lc $arg;
$canonical =~ s/\\s+//g;


Thanks to Tom Laudeman for pointing out the error.