Original sentence: Several Renaissance humanists (working with publishers) proposed reforms in French orthography, the most famous being Jacques Peletier du Mans who developed a phonetic-based spelling system and introduced new typographic signs (1550)
Edited sentence: Several Renaissance humanists (working with publishers) proposed reforms in French orthography, the most famous being Jacques Peletier du Mans who developed a phonemic-based spelling system and introduced new typographic signs (1550)