ISO 5127:2016 Information et documentation - Fondation et Vocabulaire ISO 5127:2016 Information and Documentation - Foundation and Vocabulary International Organization for Standardization (ISO) ISO TC 46/WG 4 Terminology of information and documentation Shenzhen University. NKOS Research Office modifying mark near or through a character (3.1.4.02) indicating a phonetic value different from that given the unmarked character 3.1.4.08 diacritic [SOURCE: ISO 9241?302:2008, definition 3.4.5]