Maintenance of HTML 4.0, limited to fixing bugs and folding in errata
Guidelines and tools for transforming HTML into XML
Transition strategies - allowing existing browsers to successfully cope with HTML as XML
Reformulation of HTML as a suite of modular components suitable for subsetting or combining with other tag sets
An improved match to database/workflow applications, mobile & embedded devices, television and ultra-thin clients for e-commerce, etc.
The development of a mechanism for specifying document profiles as a basis for authoring documents for given classes of browsers