Draft Proposed Answer to Ian Hickson: Correction to example about CSS extensibility

 

Original comment (issue 1046 [1])

http://lists.w3.org/Archives/Public/www-qa/2005Jan/0011.html
<http://lists.w3.org/Archives/Public/www-qa/2005Jan/0011.html> 

 

Thank you for your comment, which the QA Working Group has accepted.  We
have reworded the affected section as you recommended and it now reads [2]

 

"The CSS2.1 <http://www.w3.org/TR/CSS21/>  [
<http://www.w3.org/TR/2005/WD-qaframe-spec-20050428/#CSS21#CSS21> CSS2.1]
specification defines the notion of
<http://www.w3.org/TR/CSS21/syndata.html#q4> vendor-specific extension. An
initial dash or underscore is guaranteed never to be used in a property or
keyword by any current or future level of CSS. Thus typical CSS
implementations may not recognize such properties and may ignore them
according to the rules for handling parsing errors. However, because the
initial dash or underscore is part of the grammar, CSS2.1 implementers
should always be able to use a CSS-conforming parser, whether or not they
support any vendor-specific extensions."

 

 

[1] http://www.w3.org/Bugs/Public/show_bug.cgi?id=1046
<http://www.w3.org/Bugs/Public/show_bug.cgi?id=1046> 

[2]
http://www.w3.org/TR/2005/WD-qaframe-spec-20050428/#breaking-conformance-gp
<http://www.w3.org/TR/2005/WD-qaframe-spec-20050428/#breaking-conformance-gp
>