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# Description of Changes Fixed an issue where PDFs containing XMP metadata but lacking PDF/A identification schema were incorrectly being validated as PDF/A documents and reporting "PDF/A-1b with errors" instead of "NOT PDF/A". ### Changes Made - Improved the PDF/A detection logic in `VeraPDFService.java` to check for both missing XMP metadata and missing PDF/A identification schema - Added validation for clause 6.7.11 (PDF/A Identification extension schema requirement) in addition to clause 6.7.2 (XMP metadata presence) - Documents with XMP metadata but without proper PDF/A identification now correctly return "NOT PDF/A" ### Root Cause The previous implementation only checked for missing XMP metadata (clause 6.7.2) but didn't verify that the XMP contained the required PDF/A identification schema (clause 6.7.11). This caused documents with generic XMP metadata to be incorrectly treated as declared PDF/A files. Fixes issue where non-PDF/A documents with XMP metadata were incorrectly showing PDF/A validation errors. <!-- Please provide a summary of the changes, including: - What was changed - Why the change was made - Any challenges encountered Closes #(issue_number) --> --- ## Checklist ### General - [X] I have read the [Contribution Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md) - [X] I have read the [Stirling-PDF Developer Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md) (if applicable) - [ ] I have read the [How to add new languages to Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md) (if applicable) - [X] I have performed a self-review of my own code - [X] My changes generate no new warnings ### Documentation - [ ] I have updated relevant docs on [Stirling-PDF's doc repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/) (if functionality has heavily changed) - [ ] I have read the section [Add New Translation Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags) (for new translation tags only) ### Translations (if applicable) - [ ] I ran [`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md) ### UI Changes (if applicable) - [X] Screenshots or videos demonstrating the UI changes are attached (e.g., as comments or direct attachments in the PR) ### Testing (if applicable) - [X] I have tested my changes locally. Refer to the [Testing Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing) for more details. Signed-off-by: Balázs Szücs <bszucs1209@gmail.com> |
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