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January 14, 2026 16:50
…f `page_get_reading_order`
- add segmentation-related parameter `paragraphs`:
- default to `none` (for existing behaviour, i.e.
no paragraph level),
- add `flat` (for paragraphs *as* regions)
- add `recursive` (for paragraphs *inside* block regions)
- make new `flat` and `recursive` paragraphs accessible
on `cell` level via `segmentation_level` and `textequiv_level`
- raise `ValueError` during `setup()` for all nonsensical combinations
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Tesseract allows retrieving paragraphs, so we should also offer this. In OCR-D, we don't usually have this, so offer
flat→ paragraphs as normal regionsrecursive→ paragraphs inside block-level regionsIn both cases, the ReadingOrder will reflect the recursive structure via ordered subgroups.