Reference the strict-dynamic issue for inline scripts (#612)

Author: evilpie

index.bs

@@ -4288,6 +4288,8 @@ this algorithm returns normally if compilation is allowed, and throws a
       they will also apply to event handlers, style attributes and `javascript:`
       navigations.
 
+  ISSUE(w3c/webappsec-csp#426): This should handle `'strict-dynamic'` for dynamically inserted inline scripts.
+
   6.  Return "`Does Not Match`".
 
   <h3 id="directive-algorithms">Directive Algorithms</h3>