It is entirely possible for that to present unexpected differences because of the way that the PDF format works. One can have two different PDFs that encode the

It is entirely possible for that to present unexpected differences because of the way that the PDF format works. One can have two different PDFs that encode the same content in two different ways and unless `pdftotext` does virtual layout and then OCR-like extraction, you might end up with jumbled text or text in different orders.