2 Standards Support Statements
This section contains all variations and clarifications for the Microsoft implementation of [CSS-Level2-2009].
Section 2.1 describes normative variations from the MUST requirements of the specification.
Section 2.2 describes clarifications of the MAY and SHOULD requirements.
Section 2.3 considers error handling aspects of the implementation.
Section 2.4 considers security aspects of the implementation.
Section 4, Appendix B, of this document describes variations from requirements in Cascading Style Sheets, level 1 [CSS-Level1-2008] (revised April 11, 2008) that are not in agreement with CSS 2.1 requirements.