14. The method of claim 8 wherein: receiving the job ticket comprises receiving a JDF job ticket.
8. A method of processing job tickets in a printing system, the method comprising: receiving a printable file from a host system, the printable file comprising a plurality of page-break indicators, each page-break indicator indicating a logical page; receiving a job ticket associated with the printable file, the job ticket comprising layout parameters; re-defining in a reprogrammable page description language (PDL) processor a function of a page-break indicator in accordance with the layout parameters; and printing a plurality of the logical pages of the printable file after the job ticket interpreter re-defines the function of the page-break indicator.