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                                        1129
S E C T I O N H .3                                             Implementation Notes



         maximum UserUnit value of 75,000, which gives a maximum page dimen-
         sion of 15,000,000 inches (14,400 * 75,000 * 1 ⁄ 72). The minimum
         UserUnit value is 1.0 (the default).


F.2.2, “Linearization Parameter Dictionary (Part 2)“
178. Acrobat requires a white-space character to follow the left bracket ( [ )
     character that begins the H array.
179. Acrobat does not currently support reading or writing files that have an
     overflow hint stream.
   Note: This implementation note is also referred to in Section F.2.5, “Hint Streams
   (Parts 5 and 10).”
180. Acrobat generates a value for the E parameter that incorrectly includes an
     object beyond the end of the first page as if it were part of the first page.


F.2.6, “First-Page Section (Part 6)”
181. Acrobat always treats page 0 as the first page for linearization, regardless
     of the value of OpenAction.


F.2.8, “Shared Objects (Part 8)”
182. Acrobat does not generate shared object groups containing more than one
     object.


F.3.1, “Page Offset Hint Table”
183. In Acrobat, items 6 and 7 in the header section of the page offset hint table
     are set to 0. As a result, item 6 of the per-page entry effectively does not
     exist; its value is taken to be 0. That is, the sequence of bytes constituting
     the content stream for a page is described as if the content stream were the
     first object in the page, even though it is not.
184. Acrobat 4.0 and later versions always set item 8 equal to 0. They also set
     item 9 equal to the value of item 5, and set item 7 of each per-page hint ta-
     ble entry (Table F.4) to be the same as item 2 of the per-page entry. Acro-
     bat ignores all of these entries when reading the file.

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