G'day stevieb,

Some additional information to what ++toolic has already provided:

• perl - perldoc.perl.org has documentation up to, and including, 5.18.0
• perl - search.cpan.org has the 5.18.1 documentation.
• What is the impact of 5.18.0? has a fair amount of discussion (including pros, cons, gotchas, etc.).

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