ISO/IEC JTC1/SC34
ISO/IEC JTC 1/SC 34 titled as Document description and processing languages is a subcommittee of the ISO/IEC JTC1 joint technical committee, which is a collaborative effort of both the International Organization for Standardization and the International Electrotechnical Commission.
Read more about ISO/IEC JTC1/SC34: Scope and Terms of Reference, Working Groups, Standards Published and Under Development, Inactive P-Members, Liaisons