css3-conditional/Overview.src.html

changeset 6845
a4f86ba32415
parent 6842
052d1cca722d
child 6846
0b13bef8b4a3
     1.1 --- a/css3-conditional/Overview.src.html	Thu Oct 11 22:57:09 2012 -0700
     1.2 +++ b/css3-conditional/Overview.src.html	Thu Oct 11 23:43:33 2012 -0700
     1.3 @@ -89,8 +89,6 @@
     1.4    <li>The '@supports' rule is at risk; if interoperable
     1.5    implementations are not found, it may be removed to advance the other
     1.6    features in this specification to Proposed Recommendation.</li>
     1.7 -
     1.8 -  <li>The support for functions inside of ''@supports'' is at risk.</li>
     1.9  </ul>
    1.10  
    1.11  <!--
    1.12 @@ -444,8 +442,11 @@
    1.13  
    1.14  <dt>supports_declaration_condition</dt>
    1.15  <dd>
    1.16 -  The result is whether the CSS processor <a
    1.17 -  href="#support-definition">supports</a> the declaration or function.
    1.18 +  The result is false if this corresponds to a functional notation;
    1.19 +  otherwise, the result is whether the CSS processor <a
    1.20 +  href="#support-definition">supports</a> the declaration
    1.21 +  within the parentheses.
    1.22 +  <span class="note">Note that future levels may define functions that can evaluate to true.</span>
    1.23  </dd>
    1.24  </dl>
    1.25  
    1.26 @@ -582,15 +583,6 @@
    1.27  then it <strong>must not</strong>
    1.28  accept the declaration or claim support for it.</p>
    1.29  
    1.30 -<p>A CSS processor is considered to <i>support</i> a function 
    1.31 -(consisting of a function name and arguments)
    1.32 -if it accepts that function
    1.33 -(rather than discarding it as a parse error).
    1.34 -If a processor does not implement, with a usable level of support,
    1.35 -the value given,
    1.36 -then it <strong>must not</strong>
    1.37 -accept the function or claim support for it.</p>
    1.38 -
    1.39  <p>These rules (and the equivalence between them) allow
    1.40  authors to use fallback (either in the [[CSS1]] sense of declarations
    1.41  that are overridden by later declarations or with the new capabilities
    1.42 @@ -1116,6 +1108,8 @@
    1.43  <a href="http://www.w3.org/TR/2012/WD-css3-conditional-20120911/">11 September 2012 Working Draft</a>:
    1.44  
    1.45  <ul>
    1.46 +  <li>Allow functional notation in ''@supports'' queries to be valid (to allow for future extensions),
    1.47 +      but treat such notations as always being false.
    1.48    <li>Corrected the grammar as follows:
    1.49  <pre>
    1.50  -  : SUPPORTS_SYM S+ supports_condition group_rule_body

mercurial