Bogart Salzberg wrote:
OK, I concede that you and Uri are right. Since lc() expects a string, it should be expected to return a string. But I still think lc() should WARN me if its argument is undefined, and this would be consistent with the behavior of the concatenation operator that Uri demonstrated, if I understand correctly.
Heh, should have known Uri answered ;-) I've just been terribly behind in reading mail in my home inbox.
You're right, that looks like a case where the warning needs to be looked into.
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