GlobalEventHandlers is a mixin

Author: saschanaz

css-animations-1/Overview.bs

@@ -1264,9 +1264,9 @@ The <code>findRule</code> method</h4>
 
 
 <h3 id="interface-globaleventhandlers">
-Extensions to the <code>GlobalEventHandlers</code> Interface</h3>
+Extensions to the <code>GlobalEventHandlers</code> Interface Mixin</h3>
 
-This specification extends the {{GlobalEventHandlers}} interface from HTML to
+This specification extends the {{GlobalEventHandlers}} interface mixin from HTML to
 add <a>event handler IDL attributes</a> for <a href="#events">animation
 events</a> as defined in
 [[#event-handlers-on-elements-document-objects-and-window-objects]].

css-transitions-1/Overview.bs

@@ -1232,15 +1232,15 @@ objects, as <a>event handler IDL attributes</a>:
 DOM Interfaces {#interface-dom}
 ===============================
 
-This specification extends the {{GlobalEventHandlers}} interface from HTML to
+This specification extends the {{GlobalEventHandlers}} interface mixin from HTML to
 add <a>event handler IDL attributes</a> for <a
 href="#transition-events">transition events</a> as defined in [[#event-handlers-on-elements-document-objects-and-window-objects]].
 
 IDL Definition {#interface-globaleventhandlers-idl}
 --------------
 
 <pre class="idl">
-partial interface GlobalEventHandlers {
+partial interface mixin GlobalEventHandlers {
   attribute EventHandler ontransitionrun;
   attribute EventHandler ontransitionstart;
   attribute EventHandler ontransitionend;