uValBlank( uValue )-> <uBlankValue>
------------------------------------------------------------------------------


 PARAMETER:

  <uValue>     Is a variable whose value is to be blanked


 RETURNS:

  <uBlankValue> is the blanked value of the same type as <uValue>


 DESCRIPTION:

  This function 'blanks' any kind of Clipper value.


 EXAMPLE:


    +--------------------------------------------------------------+
    |  /* Return blank values */                                   |
    |   uValBlank( "Mr.Bean" )  // -> "       "                    |
    |   uValBlank( date())      // -> "  /  /  "                   |
    |   uValBlank( 3542 )       // -> 0                            |
    |   uValBlank( .T. )        // .F.                             |
    +--------------------------------------------------------------+


 SOURCE:

  SOURCE\FUNCTION\VALBLANK.PRG