[css-pseudo] IE also implements a paired cascade with color/bgcolor, so given full interop, we're stuck with it.

--HG--
extra : rebase_source : 9848a6f6c677428f037e45e6a9147d6e6c4353b1

Author: fantasai

css-pseudo/Overview.bs

@@ -493,9 +493,9 @@ Styling Highlighted Ranges</h3>
   The UA should use the OS-default selection color
   when neither 'color' nor 'background-color' has been specified by the author.
 
-  Issue: This behavior does not let us use the normal cascade for representing the OS colors
-  and thus violates <a href="http://lists.w3.org/Archives/Public/www-style/2008Oct/0268.html">dbaron's #2 requirement</a>. :(
-  Can we do anything about that?
+  Note: This behavior does not let allow <a href="http://lists.w3.org/Archives/Public/www-style/2008Oct/0268.html">using the normal cascade</a>
+  to represent the OS default selection colors.
+  However it has been interoperably implemented in browsers and is thus probably a Web-compatibility requirement.
 
   The ''::selection'' pseudo element draws its background
   over the selected portion of the element,