remove redundant "by"

Andrew Kirkpatrick · web-flow · commit 6f883b5042ab · 2018-08-06T15:48:05.000-04:00
diff --git a/guidelines/index.html b/guidelines/index.html
@@ -362,7 +362,7 @@ <h3>Input Assistance</h3>
         </section>
         <section class="principle" id="robust">
             <h2> Robust </h2>
-            <p>Content must be robust enough that it can be interpreted by by a wide variety of user agents, including assistive technologies.</p>
+            <p>Content must be robust enough that it can be interpreted by a wide variety of user agents, including assistive technologies.</p>
 
             <section class="guideline">
                 <h3>Compatible</h3>

-Original file line number
+Diff line change
         section>
         <section class="principle" id="robust">
             <h2> Robust h2>
 -            <p>Content must be robust enough that it can be interpreted by by a wide variety of user agents, including assistive technologies.p>
 +            <p>Content must be robust enough that it can be interpreted by a wide variety of user agents, including assistive technologies.p>
             <section class="guideline">
                 <h3>Compatibleh3>