NFSS encoding vs fontspec for Unicode portability
Comparing NFSS and fontspec for Character Rendering When managing documents with accented characters and modern typography, developers must choose between the New Font Selection Scheme (NFSS) and the fontspec package. NFSS utilizes 8-bit font encodings (such as T1) and requires \usepackage[utf8]{inputenc} and \usepackage[T1]{fontenc} to render accented chara