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even-incr function (See related posts)

    even-incr: func [
        "Increment a value so it always returns the next even number."
        i [integer!]
    ] [
        add i either even? i [2] [1]
    ]
to math REBOL even-incr incr by gregg.irwin on Tue Jan 10 00:29:22 -0500 2006

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