ISO International Standard

Information technology — Font information interchange — Part 4: Harmonization to Open Font Format

ISO/IEC 9541 specifies the architecture of font resources, as well as the formats for font interchange among information processing systems. It also specifies the architecture and formats that can be used to construct font references in general electronic document interchange.

ISO/IEC 9541-4:2009 specifies the correspondences between ISO/IEC 9541 font resource and ISO/IEC 14496-22 Open Font Format file (OFF), to define ISO/IEC 9541 font resource from a given OFF file. The classification (required or optional), syntax, and possible values of the properties are defined in ISO/IEC 9541‑1 and ISO/IEC 9541‑2. The glyph shape representation and its interpretation are defined in ISO/IEC 9541‑3.

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