I don't have a v5.20 I can test on, but I suppose this is either still an error, or at least a warning with the hash slice syntax (the same way @array[0] will provoke a warning if they are activated, even in list context, while @array[0,] is always valid)

In reply to Re^2: exists EXPR error by Eily
in thread exists EXPR error by smturner1

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