Scope of the revision

Production of a single document to be adopted by multiple parties
Minimize the number of changes required to implementations of earlier versions of the Base documents for the revision
Limit new work items to those related to integration and consistency, resolving any conflicts
Alignment with the ISO C 1999 standard

This is the scope of the revision to POSIX and the
Single UNIX Spec V2

Production of a single document to be adopted by multiple parties