[selectors] Add issue to the profiles section about wanting implementor feedback.

Author: tabatkins

selectors/Overview.html

@@ -1246,6 +1246,10 @@ <h3 id=profiles><span class=secno>2.1. </span> <a
    href="#fast-profile"><code class=css>fast</code></a>’ profile for CSS
    selection.
 
+  <p class=issue> The categorization of things into the "fast" or "complete"
+   profiles needs implementor review. If some things currently not in the
+   fast profile can reasonably be done in CSS Selectors, we should move them.
+
   <h2 id=syntax><span class=secno>3. </span> Selector Syntax and Structure</h2>
 
   <h3 id=structure><span class=secno>3.1. </span> Structure and Terminology</h3>

selectors/Overview.src.html

@@ -555,6 +555,11 @@ <h3 id="profiles">
 
   <p>CSS implementations conformant to Selectors Level 4 must use the ''fast'' profile for CSS selection.
 
+  <p class='issue'>
+    The categorization of things into the "fast" or "complete" profiles needs implementor review.
+    If some things currently not in the fast profile can reasonably be done in CSS Selectors, 
+    we should move them.
+
 
 <h2 id="syntax">
 Selector Syntax and Structure</h2>