What I am chiefly concerned with is that after matching on and replacing an instance of, say, 'IP whitelist', the user is not prompted to replace that same instance of the word 'whitelist' because it hasn't actually been edited yet. The impression I get from reading some of what's written here is that this might require write-and-reload, but I must admit that I don't know enough about Perl yet to feel confident in my interpretations. Sorry I can't clarify more than that.
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