Quoting pieces of code would fall under fair use for this case. Also here's the license for the code in question: https://hop.perl.plover.com/Examples/. And here's a github repo somebody else created for the code examples in the book: https://github.com/tomhickerson/hoperl.

In reply to Re: What's the best way to ask about code from an older book? by sleet
in thread What's the best way to ask about code from an older book? by adamsj

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