RT Journal Article SR Electronic A1 Pořízková, Lenka T1 PRESCRIPTIVENESS AND OBLIGATION OF THE TYPOGRAPHIC STANDARD JF Bohemica Olomucensia YR 2021 VO 13 IS 2 SP 212 OP 233 DO 10.5507/bo.2021.029 UL https://bohemica.upol.cz/artkey/boh-202102-0011.php AB The article deals with the development of the Czech typographic usage and its reflection in professional manuals and industry standards. In particular, it focuses on the formulation of typographic rules with regard to their obligation to the user, monitors the ratio of descriptiveness or prescriptiveness and the impact of Anglophone typography on Czech typography. It also focuses clashes of linguistically (semantically) and visually based arguments, which affect the resulting typographic practice. Attention is focused mainly on typographic phenomena directly related to the orthographic standard and commonly included in it.