Older PDF versions of Swahili Islamic texts were often flat, low-resolution scans of printed books. A "repack" usually implies that the text has been processed—often via OCR (Optical Character Recognition)—to make the text clear, searchable, and resizeable.
Chagua Vyanzo vya Kuaminika: Pakua kutoka kwenye tovuti za Kiislamu zinazojulikana au maktaba za kidijitali za uhakika.