Range examples
5— only page 5.1-3— pages 1, 2 and 3.1-3,7,10-12— three groups, eleven pages.3,1,2— pages in that exact order.
Notes
- Duplicates are collapsed and reported, so a page is never copied twice by accident.
- Page previews render up to the first 12 pages to keep memory bounded; the split itself handles the whole document.
- Generated files are independent PDFs; nothing links back to the original.