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                                                 580
            CHAPTER 8                                                        Interactive Features



KEY                     TYPE      VALUE

PrintClip               name      (Optional; PDF 1.4) The name of the page boundary to which the con-
                                  tents of a page are to be clipped when printing the document. The value
                                  is the key designating the relevant page boundary in the page object (see
                                  “Page Objects” on page 144 and Section 10.10.1, “Page Boundaries”). If
                                  the specified page boundary is not defined in the page object, its default
                                  value is used, as specified in Table 3.27 on page 145. Default value:
                                  CropBox.

                                  Note: This entry is intended primarily for use by prepress applications that
                                  interpret or manipulate the page boundaries as described in Section
                                  10.10.1, “Page Boundaries.” Most PDF consumer applications disregard it.

PrintScaling            name      (Optional; PDF 1.6) The page scaling option to be selected when a print
                                  dialog is displayed for this document. Valid values are None, which indi-
                                  cates that the print dialog should reflect no page scaling, and
                                  AppDefault, which indicates that applications should use the current
                                  print scaling. If this entry has an unrecognized value, applications
                                  should use the current print scaling. Default value: AppDefault.
                                  Note: If the print dialog is suppressed and its parameters are provided di-
                                  rectly by the application, the value of this entry should still be used.

Duplex                  name      (Optional; PDF 1.7) The paper handling option to use when printing the
                                  file from the print dialog. The following values are valid:
                                     Simplex - Print single-sided
                                     DuplexFlipShortEdge - Duplex and flip on the short edge of the sheet
                                     DuplexFlipLongEdge - Duplex and flip on the long edge of the sheet

                                  Default value: none

PickTrayByPDFSize       boolean   (Optional; PDF 1.7) A flag specifying whether the PDF page size is used
                                  to select the input paper tray. This setting influences only the preset val-
                                  ues used to populate the print dialog presented by a PDF viewer applica-
                                  tion. If PickTrayByPDFSize is true, the check box in the print dialog
                                  associated with input paper tray is checked.
                                  Note: This setting has no effect on Mac OS systems, which do not provide
                                  the ability to pick the input tray by size.
                                  Default value: as defined by the PDF viewer application

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