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Pages aren't being detected in specific pdf
https://forum.pdfsharp.net/viewtopic.php?f=3&t=3902
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Author:  zaryk [ Mon Jan 14, 2019 4:55 pm ]
Post subject:  Pages aren't being detected in specific pdf

Reporting an Issue Here
Incorrect number of pages found in a particular pdf.

More Info:
Pages aren't being detected in specific pdf. It only brings back 1 page, but there are 26 pages. I have tried debugging. It looks like the issue is related to the retrieval of iref. Based on what I am seeing, 8 0 R is the 1 page it is retrieving, then I believe 123 0 R are the additional pages which has kids inside of kids, but it looks like the iref value is null so it is removed during removetrailing. As a result, PageCount is 1 and number of page elements is 1.

Expected Behavior
Should find 26 pages. When saving, should still have 26 pages.

Actual Behavior
Finds 1 page. If saved, will only have 1 page.

Steps to Reproduce the Behavior
Providing IssueSubmission.

GDI:
https://github.com/empira/PDFsharp/files/2737828/IssueSubmission.zip

PDFXplorer layout:
Image

using podofobrowser as an example of what PDFSharp is finding:
Image

using podofobrowser as an example of what PDFSharp is finding after saving in Adobe Reader (NOTE: Posted wrong screenshot, will change later, but after saving in Adobe Reader, it looks to have the 26 pages)
Image

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