Include scroll bar arrows in examples.

egirard · fantasai · commit 09e040f05e12 · 2019-03-20T09:06:40.000-07:00
As per #3752
diff --git a/css-scroll-snap-1/Overview.bs b/css-scroll-snap-1/Overview.bs
@@ -917,7 +917,7 @@ Types of Scrolling Methods {#scroll-types}
         <div class="example">
             Common examples of scrolls with only an <a>intended direction</a> include:
 
-            * pressing an arrow key on the keyboard
+            * pressing an arrow key on the keyboard (or equivalent operations on the scrollbar)
             * a swiping gesture interpreted as a fixed (rather than inertial) scroll
         </div>
 
