Added the documentation missing in the patch.

src/xdocs/config_coding.xml

@@ -232,6 +232,8 @@ public class MySingleton
         <p>
           Checks that any combination of String literals with optional
           assignment is on the left side of an <code>equals()</code> comparison.
+          The check also processes <code>String.equalsIgnoreCase()</code>
+          invocations (which can be suppressed).
         </p>
 
         <p>
@@ -292,6 +294,23 @@ number.equals(i + j);
         </p>
       </subsection>
 
+      <subsection name="Properties">
+        <table>
+          <tr>
+            <th>name</th>
+            <th>description</th>
+            <th>type</th>
+            <th>default value</th>
+          </tr>
+          <tr>
+            <td>ignoreEqualsIgnoreCase</td>
+            <td>whether to ignore <code>String.equalsIgnoreCase()</code> invocations</td>
+            <td><a href="property_types.html#boolean">boolean</a></td>
+            <td>false</td>
+          </tr>
+        </table>
+      </subsection>
+
       <subsection name="Example">
         <p>
           To configure the check:

src/xdocs/releasenotes.xml

@@ -18,6 +18,12 @@
           to support ignoring numbers in annotation declarations. Thanks to
           Julio Cesar Cabral for patch #3132984.
         </li>
+        <li>
+          Enhanced
+          <a href="config_coding.html#EqualsAvoidNull">EqualsAvoidNull</a>
+          to process <code>String.equalsIgnoreCase()</code>
+          invocations (which can be suppressed).
+        </li>
       </ul>
       <p>Bug fixes:</p>
       <ul>