MuPDF test for sample-newsletter.pdf

Input: sample-newsletter.pdf

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