That's not a syntax error. Look at perldata, under "List Value Constructors", and you'll note:

You may have an optional comma before the closing parenthesis of a list literal, so that you can say: 
    @foo = (
        1,
        2,
        3,
    );

[download]
That makes it particularly easy to line up all the list elements vertically, and add and remove elements easily.

Do not rebuke them with harsh words ... but rather lead them gently - with URLs - so that they may learn wisdom.

In reply to Re^2: problem with PDL by VSarkiss
in thread problem with PDL by Angharad

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