Integrates a subset of the SMIL 2.0 specification with XHTML. Includes SMIL 2.0 modules providing support for animation, content control, media objects, timing and synchronization, and transition effects. (W3C Note 31 January 2002)
This specification is the successor to XHTML forms, and benefits from the lessons learned in the years of HTML forms implementation experience. (W3C Working Draft 28 August 2001)