ENHANCED()
 Selects the enhanced color value for SET COLOR TO output
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 Syntax

     ENHANCED() --> cNull

 Returns

     ENHANCED() always returns a null string

 Description

     Use ENHANCED() to specify the color attribute designated as enhanced
     (second color value), with SET COLOR TO as the active attribute for CA-
     Clipper @...SAY and ? output.  Use STANDARD() to switch back to the
     default attribute.

 Example

     Output with enhanced attribute:

     ? "........"
     ? "........"

     ENHANCED()
        ? "Different Attribute!"
     STANDARD()
     ? "........"
     ? "........"