1.6 Versioning and Localization
This specification covers versioning issues in the following areas:
Versioning: The EMF structure has been revised twice. The different versions are:
Original: The first version of the EMF structure, supporting records that define drawing commands and graphics objects.
Extension 1: Added support for OpenGL records and an optional internal pixel format descriptor.
Extension 2: Added the capability of measuring display dimensions in micrometers.
Localization: This structure defines no locale-specific processes or data.