Since the 21 April 2004 release, the following tests have changed:

New tests:
   css3-modsel-183 - Syntax and parsing of class selectors
     Some more detailed tests for error handling issues known to be
     broken in some UAs.

Modified tests:
   css3-modsel-14b - More than one class selector
     Expanded the test to catch a few more potential bugs.

   css3-modsel-153 - :empty pseudo-class and CDATA
   css3-modsel-150 - :empty pseudo-class and XML/SGML constructs
     Updating :empty tests to match agreed (if as yet unpublished)
     errata.

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Since the 2 March 2004 release, the following tests have changed:

New tests:
   css3-modsel-42a - :after pseudo-element
   css3-modsel-41a - :before pseudo-element

Removed tests:
   css3-modsel-12 - Default attribute value
   css3-modsel-58 - Default attribute value and negation pseudo-class
     These tests no longer apply since UAs are now allowed to assume
     attribute defaulting or to ignore it, basically at will.

Modified tests:
   css3-modsel-23 - :enabled pseudo-class
   css3-modsel-24 - :disabled pseudo-class
   css3-modsel-28 - :nth-child() pseudo-class
   css3-modsel-28b - :nth-child() pseudo-class
   css3-modsel-29 - :nth-last-child() pseudo-class
   css3-modsel-29b - :nth-last-child() pseudo-class
   css3-modsel-32 - :first-child pseudo-class
   css3-modsel-33 - :last-child pseudo-class
   css3-modsel-68 - NEGATED :enabled pseudo-class
   css3-modsel-69 - NEGATED :disabled pseudo-class
   css3-modsel-73 - NEGATED :nth-child() pseudo-class
   css3-modsel-73b - NEGATED :nth-child() pseudo-class
   css3-modsel-74 - NEGATED :nth-last-child() pseudo-class
   css3-modsel-74b - NEGATED :nth-last-child() pseudo-class
   css3-modsel-77 - NEGATED :first-child pseudo-class
   css3-modsel-77b - NEGATED :first-child pseudo-class
   css3-modsel-78 - NEGATED :last-child pseudo-class
   css3-modsel-78b - NEGATED :last-child pseudo-class
   css3-modsel-87 - Nondeterministic matching of direct and indirect adjacent combinators
   css3-modsel-87b - Nondeterministic matching of direct and indirect adjacent combinators
   css3-modsel-88 - Nondeterministic matching of descendant and direct adjacent combinators
   css3-modsel-88b - Nondeterministic matching of descendant and direct adjacent combinators
   css3-modsel-90 - Simple combination of direct and indirect adjacent combinators
   css3-modsel-90b - Simple combination of direct and indirect adjacent combinators
   css3-modsel-d1 - NEGATED Dynamic handling of :empty
   css3-modsel-d1b - NEGATED Dynamic handling of :empty
   css3-modsel-d2 - Dynamic handling of combinators
   css3-modsel-d3 - Dynamic handling of attribute selectors
   css3-modsel-d4 - Dynamic updating of :first-child and :last-child
   css3-modsel-d5 - :indeterminate
   css3-modsel-d5a - :indeterminate and :checked
   css3-modsel-d5b - NEGATED :indeterminate and :checked
   css3-modsel-d5c - :indeterminate and :checked
   css3-modsel-d5d - :indeterminate with :checked
   css3-modsel-d5e - NEGATED :indeterminate with :checked
   (and some others depending on the test format)
     Fixed minor standards compliance issues.

   All the non-namespaced XHTML tests
     Removed some extraneous namespace declarations that made the
     tests invalid.

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Since the 15 September 2003 release, the following tests have changed:

New tests:
   css3-modsel-3a - Universal selector (no namespaces)
   css3-modsel-18a - :hover pseudo-class on links
   css3-modsel-18c - :hover pseudo-class on links
   css3-modsel-19a - :active pseudo-class on blocks
   css3-modsel-19b - :active pseudo-class on controls
   css3-modsel-179 - ::first-line on inlines
   css3-modsel-179a - ::first-line after <br>
   css3-modsel-180 - ::first-letter on inlines
   css3-modsel-180a - ::first-letter after <br>
   css3-modsel-181 - Case sensitivity
   css3-modsel-182 - Namespaces and \: in selectors

Modified tests:
   css3-modsel-21c - :target pseudo-class
     Fixed to match spec errata.

   css3-modsel-98 - Attribute value selector with declared namespace
     Added a test to make sure the attribute selectors work without quotes.

   css3-modsel-161 - Syntax and parsing of unknown psuedo-classes and pseudo-elements
     Added more tests and split up the existing test to catch more possible errors.

   css3-modsel-44 - Child combinator
     Stylesheet used the wrong property name.

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