RECOMMENDATION ITU-T T.86 (V2) (02/2024) Information technology – Digital compression and coding of continuous-tone still images: APPn markers Summary History FOREWORD CONTENTS 1 Scope 2 Normative references 2.1 Identical ITU-T Recommendations | International Standards 3 Definitions 4 Abbreviations and symbols 5 Conventions 6 General 7 Purpose of an APPn marker Annex A Application-specific marker list Bibliography