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                                                       148
            CHAPTER 3                                                                           Syntax



KEY                TYPE               VALUE

TemplateInstantiated                  (Required if this page was created from a named page object; PDF 1.5) The
                   name               name of the originating page object (see Section 8.6.5, “Named Pages”).

PresSteps          dictionary         (Optional; PDF 1.5) A navigation node dictionary representing the first
                                      node on the page (see “Sub-page Navigation” on page 601).

UserUnit           number             (Optional; PDF 1.6) A positive number giving the size of default user
                                      space units, in multiples of 1 ⁄ 72 inch. The range of supported values is im-
                                      plementation-dependent; see implementation note 177 in Appendix H.
                                      Default value: 1.0 (user unit is 1 ⁄ 72 inch).

VP                 dictionary         (Optional; PDF 1.6) An array of viewport dictionaries (see Table 8.109)
                                      specifying rectangular regions of the page.

            Example 3.15 shows the definition of a page object with a thumbnail image and
            two annotations. The media box specifies that the page is to be printed on letter-
            size paper. In addition, the resource dictionary is specified as a direct object and
            shows that the page makes use of three fonts named F3, F5, and F7.

            Example 3.15

              3 0 obj
                 << /Type /Page
                     /Parent 4 0 R
                     /MediaBox [ 0 0 612 792 ]
                     /Resources << /Font << /F3 7 0 R
                                                /F5 9 0 R
                                                /F7 11 0 R
                                           >>
                                     /ProcSet [ /PDF ]
                                 >>
                     /Contents 12 0 R
                     /Thumb 14 0 R
                     /Annots [ 23 0 R
                                24 0 R
                              ]
                 >>
              endobj

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