OpenType® Specification Version 1.9
Core specification
- OpenType overview
- The OpenType font file
- Font file tables
- Advanced typographic extensions (OpenType layout)
- OpenType layout common table formats
- OpenType font variations overview
- OpenType font variations common table formats
Errata
Appendices
- Recommendations
- OpenType Layout Tag Registry
- OpenType Design-Variation Axis Tag Registry
- TrueType outlines and instructions
- OpenType Mirroring Pairs list
- Adobe technical note #5176: “The Compact Font Format Specification”
- Adobe technical note #5177: “Type 2 Charstring Format”
- The CFF 2 Charstring Format
- Adobe Technical Note #5902: “PostScript Name Generation for Variation Fonts”
- Specification changes log file
OpenType 1.9 incorporates revisions in Draft Amendment 2 of the 4th edition of the ISO/IEC 14496-22 “Open Font Format” standard. Current editions and amendments of ISO/IEC 14496-22 are freely available for download from the ISO website.
Updates to this specification are noted in the change log.
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