The interchange form c) is very flexible and useful, and appropriate for a number of document applications, e.g., e-government, e-commerce, or etc.
However, actual style specification by using a style language requires high-level of expertise on both the style language and document style/layout.
DocSII (Asian Document Style Standardization for Information Interchange) was established by CICC in 2002 as a new project, to solve this problem, particularly in Asian document environment.