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Re^4: multiple values for one key in hashby dragonchild (Archbishop) |
on May 12, 2008 at 23:04 UTC ( [id://686164]=note: print w/replies, xml ) | Need Help?? |
It doesn't work if there was an undef explicitly assigned to the value before. A lot of people get tripped up by this because they just assign undef to something they don't use anymore instead of deleting the key.
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