This is a draft formally submitted to the W3C by a group or interested party. A working draft is the next level where a formal group within W3C is reviewing a proposal. A recommendation is the closest thing the W3C has to an approved standard. Of the many standards discussed on this page only one, XML, is a recommendation. XML achieved that status February 10, 1998.
Submissions are likely to change before they are finished.
Working drafts may also change. A recommendation is much less likely to change. 1.0 Approved February 1998. This is the core standard otherwise refered to as XML elsewhere in this document. Namespaces in XML W3C released Namespaces as a r ecommendation January 14, 1999.