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                                             1077
      SECTION G.6                                                       Up dating Example



        11 0 obj
           << /Type /Annot
               /Subtype /Text
               /Rect [ 34 398 225 575 ]
               /Contents ( Text #4 )
               /Open false
           >>
        endobj

        xref
        0 1
        0000000000   65535 f
        4 1
        0000000632   00000 n
        7 5
        0000000810   00000    n
        0000000883   00000    n
        0000001024   00000    n
        0000001167   00000    n
        0000001309   00000    n

        trailer
            << /Size 12
                /Root 1 0 R
                /Prev 408
            >>
        startxref
        1452
        %%EOF


G.6.2 Stage 2: Modify Text of One Annotation

      One text annotation is modified and the file is saved. Example G.8 shows the lines
      added to the file by this update. Note that the file now contains two copies of the
      object with identifier 10 0 (the text annotation that was modified) and that the
      added cross-reference section points to the more recent version of the object.
      This added cross-reference section contains one subsection, which contains only
      an entry for the object that was modified. In addition, the Prev entry in the file’s
      trailer has been updated to point to the cross-reference section added in the pre-
      vious stage, while the startxref value at the end of the trailer points to the newly
      added cross-reference section.

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