Changes between Version 2 and Version 3 of isnull

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Timestamp:
05/18/10 21:36:09 (8 years ago)
Author:
acher
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  • isnull

    v2 v3  
    11= isNull =  
    22 
    3 Some operators (e.g., [wiki:configuration configuration], [wiki:parent parent], etc.) return '''null''' variables in case the input variables do not exist.  
     3Some operators (e.g., [wiki:configuration configuration], [wiki:parent parent], etc.) return '''null''' variables, e.g., in case the input variables do not exist.  
    44The isNull determines whether the variable is a null variable or not. 
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