Minor, changed "abstact" on an interface, to "public".
diff --git a/src/org/apache/xml/serializer/ExtendedLexicalHandler.java b/src/org/apache/xml/serializer/ExtendedLexicalHandler.java
index e7c81e4..ac5ce19 100644
--- a/src/org/apache/xml/serializer/ExtendedLexicalHandler.java
+++ b/src/org/apache/xml/serializer/ExtendedLexicalHandler.java
@@ -25,7 +25,7 @@
  * This interface is intended to be used by a serializer.
  * @xsl.usage internal
  */
-abstract interface ExtendedLexicalHandler extends org.xml.sax.ext.LexicalHandler
+public interface ExtendedLexicalHandler extends org.xml.sax.ext.LexicalHandler
 {
     /**
      * This method is used to notify of a comment