OptionallangTesseract language pack(s). Default 'eng'. Multi-lang via '+',
e.g. 'eng+rus' for English+Russian mixed scans.
OptionalpagesOptional 1-indexed inclusive page range, e.g. [2, 5] runs OCR on pages 2..5.
Vault-relative path to the .pdf file.
OptionalscaleRender scale (DPI multiplier). Higher = better OCR accuracy on small text but more memory + slower render. Default 2 (~150 DPI). Capped at 4 server-side.
Arguments for ocrPdf.
langsupports Tesseract's+-joined multi-language packs for mixed scans.scaleis the render DPI multiplier — higher gives better accuracy on small text but uses more memory and is slower.