MuPDF test for sample-receipt.pdf

Input: sample-receipt.pdf

mutool draw -F txt "sample-receipt.pdf" >"sample-receipt--mupdf-c.txt"

stext.json: structured JSON with per-word/line/block bounding boxes and font info, distinct from the plain-text dump above.

mutool draw -F stext.json "sample-receipt.pdf" >"sample-receipt--mupdf-c--stext.json"