update meta data

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Ingy döt Net 2013-04-11 12:07:39 -07:00
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Languages may have features for dealing specifically with empty strings (those containing no characters).
The task is to:
* Demonstrate how to assign an empty string to a variable.
* Demonstrate how to check that a string is empty.
* Demonstrate how to check that a string is not empty.
[[Category:String manipulation]]