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https://issues.apache.org/jira/browse/PDFBOX-2804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14550345#comment-14550345
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Maruan Sahyoun commented on PDFBOX-2804:
----------------------------------------
the PDF/A-1 spec points to
{quote}
A conforming file shall not violate any of the architectural limits specified
in PDF Reference Table C.1.
{quote}
which has
{quote}
± 32,767 Largest and smallest real values (approximate).
{quote}
> Validate PDF/A-1b files of veraPDF project
> ------------------------------------------
>
> Key: PDFBOX-2804
> URL: https://issues.apache.org/jira/browse/PDFBOX-2804
> Project: PDFBox
> Issue Type: Task
> Components: Preflight
> Affects Versions: 2.0.0
> Reporter: Tilman Hausherr
> Labels: veraPDF
>
> Validate the PDF/A-1b test files of the veraPDF project:
> https://github.com/veraPDF/veraPDF-corpus-PDFA-1b
> There is not yet a list that explains the meaning of the files, but some of
> the files are self-explanatory (in the outlines) and there is also this text:
> https://github.com/veraPDF/veraPDF-corpus-PDFA-1b/pull/5
> Create test file: veraPDF test suite 6-1-12-t09-fail-a.pdf
> Description: Maximum number of colorants for DeviceN exceeded. DeviceN
> colorspace contains 9 colorants.
> Create test file: veraPDF test suite 6-1-12-t10-fail-a.pdf
> Description: Character identifier greater than 65535 in CMAP dictionary.
> PDF-1.4 Specification: Appendix C "Implementation limits"
> ISO-19005-1 Specification: 6.1.12 "Implementation limits".
> Create test file: veraPDF test suite 6-1-12-t01-fail-a.pdf
> Description: Integer value out of range. Contains -2157483648 value in
> /Widths entry
> Create test file: veraPDF test suite 6-1-12-t02-fail-a.pdf
> Description: Real value out of range. Contains 60000 Tz in page content stream
> Create test file: veraPDF test suite 6-1-12-t02-fail-b.pdf
> Description: Real value out of range. Contains /Font \[8 0 R 60000\] in
> ExtGState dictionary
> Create test file: veraPDF test suite 6-1-12-t02-fail-c.pdf
> Description: Real value out of range. Contains 60000.1 Tz in page content
> stream
> Create test file: veraPDF test suite 6-1-12-t02-fail-d.pdf
> Description: Real value out of range. Contains /Font \[8 0 R 60000.1\] in
> ExtGState dictionary
> Create test file: veraPDF test suite 6-1-12-t02-fail-e.pdf
> Description: Real value out of range. Contains 60000.0 Tz in page content
> stream
> Create test file: veraPDF test suite 6-1-12-t02-fail-f.pdf
> Description: Real value out of range. Contains /Font \[8 0 R 60000.0\] in
> ExtGState dictionary
> Create test file: veraPDF test suite 6-1-12-t02-fail-l.pdf
> Description: Real value out of range. Contains -32676.9 50 Td in content
> stream
> Create test file: veraPDF test suite 6-1-12-t02-pass-g.pdf
> Description: Contains 30000 Tz in page content stream
> Create test file: veraPDF test suite 6-1-12-t02- pass -h.pdf
> Description: Contains /Font \[8 0 R 30000\] in ExtGState dictionary
> Create test file: veraPDF test suite 6-1-12-t02- pass -i.pdf
> Description: Contains 30000.1 Tz in page content stream
> Create test file: veraPDF test suite 6-1-12-t02- pass -j.pdf
> Description: Contains /Font \[8 0 R 30000.1\] in ExtGState dictionary
> Create test file: veraPDF test suite 6-1-12-t02- pass -k.pdf
> Description: Td operator contains 65568 digits in fractional part.
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