Information technology -- Document description and processing languages -- Office Open XML File Formats -- Part 4: Transitional Migration Features
This standard has been revised by ISO/IEC 29500-4:2016
The electronic version of this International Standard can be downloaded from the ISO/IEC Information Technology Task Force (ITTF) web site
ISO/IEC 29500-4:2012 defines features for backward-compatibility and that are useful for high-quality migration of existing binary documents to ISO/IEC 29500. These features are used only by documents of conformance class WML Transitional, SML Transitional, or PML Transitional.