css3-conditional/Overview.src.html

changeset 7382
6e5d9a1539bd
parent 7381
06244e910e27
child 7387
7dace721dff3
     1.1 --- a/css3-conditional/Overview.src.html	Wed Feb 06 23:47:11 2013 -0800
     1.2 +++ b/css3-conditional/Overview.src.html	Wed Feb 06 23:47:55 2013 -0800
     1.3 @@ -633,6 +633,17 @@
     1.4  then it <strong>must not</strong>
     1.5  accept the declaration or claim support for it.</p>
     1.6  
     1.7 +<p class="note">Note that properties or values
     1.8 +whose support is effectively disabled by user preferences
     1.9 +are still considered as supported by this definition.
    1.10 +For example, if a user has enabled a high-contrast mode
    1.11 +that causes colors to be overridden,
    1.12 +the CSS processor is still considered to support the 'color' property
    1.13 +even though declarations of the 'color' property may have no effect.
    1.14 +On the other hand, a developer-facing preference
    1.15 +whose purpose is to enable or disable support for an experimental CSS feature
    1.16 +does affect this definition of support.</p>
    1.17 +
    1.18  <p>These rules (and the equivalence between them) allow
    1.19  authors to use fallback (either in the [[CSS1]] sense of declarations
    1.20  that are overridden by later declarations or with the new capabilities

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