Adding update to empty function readme
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@ -224,7 +224,7 @@ Converts the case of a string or of all strings in an array to lowercase. *Type*
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#### `empty`
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Returns 'true' if the variable is empty. *Type*: rvalue.
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Returns true if the argument is an array or hash that contains no elements, or an empty string. *Type*: rvalue.
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#### `ensure_packages`
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