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The following documents provide additional extensions.
Extensions to the [CSS-Level2-2009]
and [DOM Level 2 - Style]
Extensions to the [DOMLevel2Core:2000]
Extensions to the [DOM Level 2 - Events]
Extensions to the ECMAScript [ECMA-262-1999]
Extensions to the ECMAScript [ECMA-262/5]
Extensions to the HTML 4.01 [HTML4:1999]
and [DOM Level 2 - HTML]