Output a screen to the printer
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 Syntax

        H_PrintScreen( cScreen , nMargin )

 Arguments:

      cScreen - Screen saved by H_SavRgn()

 Returns:

      NIL

 Description:

      Outputs a screen to the printer.  The screen should be saved using
      the function H_SAVRGN, and then passed to this function

 Examples:

      H_PrintScreen( H_SavRgn( 0 , 0 , MAXROW() , MAXCOL() ) , 0 )

 Source: PRINSCRN.PRG

 Author:  Martin Colloby