Remove use of redundant String.substring() parameter.
diff --git a/core/src/main/java/org/apache/commons/digester3/ExtendedBaseRules.java b/core/src/main/java/org/apache/commons/digester3/ExtendedBaseRules.java
index 51b8c58..4434f1b 100644
--- a/core/src/main/java/org/apache/commons/digester3/ExtendedBaseRules.java
+++ b/core/src/main/java/org/apache/commons/digester3/ExtendedBaseRules.java
@@ -303,7 +303,7 @@
             if ( isUniversal )
             {
                 // and find the underlying key
-                key = key.substring( 1, key.length() );
+                key = key.substring( 1 );
             }
 
             // don't need to check exact matches