The latter was the first printer to number the leaves with Arabic numerals, and was also the first who used the colon and interrogation point. In Wendelin's books appeared for the first time the so-called catch-words (Kustoden), that is to say he printed on the lower margin of each page the first word of the page following.
The later printer made significant innovations in printing, including numbering leaves with Arabic numerals and introducing the colon and interrogation point. In Wendelin's books, a novel feature emerged - the catch-words (Kustoden), which marked the start of each page with the first word on the lower margin.