Show the description of an array based lookup code
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 Syntax

        H_ShowALookUp( aArray , nElement )

 Arguments:

      aArray   - Array of descriptions
      nElement - Element to find

 Returns:

      If nElement is within the scope of aArray, the element is returned.
      Otherwise a null string is returned

 Description:

      Used to show the description of an array based lookup screen

 Examples:



 Header File: H_LIB52.CH

 Source: SALOOKUP.PRG

 Author:  Martin Colloby