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 FUNCTION P_READY()

  Short:
  ------
  P_READY() Determines if printer is ready, prompts user

  Returns:
  --------
  <lReady> => True if printer is ready

  Syntax:
  -------
  P_READY([cPort])

  Description:
  ------------
  Checks for printer ready, and prompts user to ready
  the printer until it is ready, or until user presses escape to
  abort printing.

  P_READY() first looks at SLS_PRNC(), and if the
  value is .f., does no printer check and returns .t.

  [cPort] - LPT1 LPT2 LPT3
  Default is LPT1

  Examples:
  ---------
   if P_READY("LPT2")
     REPORT FORM yayaya TO PRINT
   ENDIF

  Notes:
  -------
  To stop P_READY() from checking the printer port (as
  it is imbedded in many SuperLib functions), call SLS_PRNC() with
  False. This turns printer checking off. (i.e. on a network)

  Source:
  -------
  S_PREAD.PRG