--- old/src/java.xml/share/classes/com/sun/org/apache/xalan/internal/xsltc/compiler/XSLTC.java	2017-01-31 11:02:02.790407200 +0100
+++ new/src/java.xml/share/classes/com/sun/org/apache/xalan/internal/xsltc/compiler/XSLTC.java	2017-01-31 11:02:02.159620800 +0100
@@ -76,7 +76,6 @@
     private Stylesheet _stylesheet;
 
     // Counters used by various classes to generate unique names.
-    // private int _variableSerial     = 1;
     private int _modeSerial         = 1;
     private int _stylesheetSerial   = 1;
     private int _stepPatternSerial  = 1;
@@ -143,7 +142,8 @@
      * protocols allowed for external references set by the stylesheet processing instruction, Import and Include element.
      */
     private String _accessExternalStylesheet = XalanConstants.EXTERNAL_ACCESS_DEFAULT;
-     /**
+
+    /**
      * protocols allowed for external DTD references in source file and/or stylesheet.
      */
     private String _accessExternalDTD = XalanConstants.EXTERNAL_ACCESS_DEFAULT;
@@ -153,15 +153,17 @@
     private final JdkXmlFeatures _xmlFeatures;
 
     /**
-    *  Extension function class loader variables
-    */
+     *  Extension function class loader variables
+     */
 
-    /* Class loader reference that will be used for external extension functions loading */
+    /**
+     * Class loader reference that will be used for external extension functions loading
+     */
     private ClassLoader _extensionClassLoader;
 
     /**
-    *  HashMap with the loaded classes
-    */
+     *  HashMap with the loaded classes
+     */
     private final Map<String, Class<?>> _externalExtensionFunctions;
 
     /**
@@ -305,7 +307,7 @@
         }
     }
 
-    /*
+    /**
      * Function loads an external extension function.
      * The filtering of function types (external,internal) takes place in FunctionCall class
      *
@@ -326,10 +328,10 @@
         return (Class) loaded;
     }
 
-    /*
+    /**
      * Returns unmodifiable view of HashMap with loaded external extension
      * functions - will be needed for the TransformerImpl
-    */
+     */
     public Map<String, Class<?>> getExternalExtensionFunctions() {
         return Collections.unmodifiableMap(_externalExtensionFunctions);
     }
@@ -348,7 +350,6 @@
         _namespacePrefixes = new HashMap<>();
         _stylesheet     = null;
         _parser.init();
-        //_variableSerial     = 1;
         _modeSerial         = 1;
         _stylesheetSerial   = 1;
         _stepPatternSerial  = 1;