diff --git a/src/org/apache/xerces/dom/CoreDocumentImpl.java b/src/org/apache/xerces/dom/CoreDocumentImpl.java
index 06465208df..2980b798fd 100644
--- a/src/org/apache/xerces/dom/CoreDocumentImpl.java
+++ b/src/org/apache/xerces/dom/CoreDocumentImpl.java
@@ -2211,15 +2211,15 @@ public Object clone() throws CloneNotSupportedException {
      * utility class
      */
 
-    public static final boolean isXMLName(String s, boolean xml11Version) {
+    public static final boolean isXMLName(String name, boolean xml11Version) {
 
-        if (s == null) {
+        if (name == null) {
             return false;
         }
         if(!xml11Version)
-            return XMLChar.isValidName(s);
+            return XMLChar.isValidName(name);
         else
-            return XML11Char.isXML11ValidName(s);
+            return XML11Char.isXML11ValidName(name);
 
     } // isXMLName(String):boolean
 
diff --git a/src/org/apache/xerces/impl/xpath/regex/REUtil.java b/src/org/apache/xerces/impl/xpath/regex/REUtil.java
index 2c547323c6..0465e986a4 100644
--- a/src/org/apache/xerces/impl/xpath/regex/REUtil.java
+++ b/src/org/apache/xerces/impl/xpath/regex/REUtil.java
@@ -281,7 +281,7 @@ else if (target == null)
      *
      * @see RegularExpression#RegularExpression(java.lang.String, java.lang.String)
      */
-    public static RegularExpression createRegex(String pattern, String options)
+    public static RegularExpression createRegex(String regex, String options)
         throws ParseException {
         RegularExpression re = null;
         int intOptions = REUtil.parseOptions(options);
@@ -293,7 +293,7 @@ public static RegularExpression createRegex(String pattern, String options)
                     i = -1;
                     break;
                 }
-                if (cached.equals(pattern, intOptions)) {
+                if (cached.equals(regex, intOptions)) {
                     re = cached;
                     break;
                 }
@@ -304,7 +304,7 @@ public static RegularExpression createRegex(String pattern, String options)
                     REUtil.regexCache[0] = re;
                 }
             } else {
-                re = new RegularExpression(pattern, options);
+                re = new RegularExpression(regex, options);
                 System.arraycopy(REUtil.regexCache, 0, REUtil.regexCache, 1, REUtil.CACHESIZE-1);
                 REUtil.regexCache[0] = re;
             }
diff --git a/src/org/apache/xerces/impl/xpath/regex/RegexParser.java b/src/org/apache/xerces/impl/xpath/regex/RegexParser.java
index 2da0e14c4b..45085f8147 100644
--- a/src/org/apache/xerces/impl/xpath/regex/RegexParser.java
+++ b/src/org/apache/xerces/impl/xpath/regex/RegexParser.java
@@ -58,10 +58,10 @@ class RegexParser {
 
     static class ReferencePosition {
         int refNumber;
-        int position;
-        ReferencePosition(int n, int pos) {
+        int offset;
+        ReferencePosition(int n, int offset) {
             this.refNumber = n;
-            this.position = pos;
+            this.offset = offset;
         }
     }
 
@@ -135,7 +135,7 @@ synchronized Token parse(String regex, int options) throws ParseException {
             for (int i = 0;  i < this.references.size();  i ++) {
                 ReferencePosition position = (ReferencePosition)this.references.elementAt(i);
                 if (this.parennumber <= position.refNumber)
-                    throw ex("parser.parse.2", position.position);
+                    throw ex("parser.parse.2", position.offset);
             }
             this.references.removeAllElements();
         }
diff --git a/src/org/apache/xerces/impl/xpath/regex/RegularExpression.java b/src/org/apache/xerces/impl/xpath/regex/RegularExpression.java
index f92cb3b964..0cbaa4954c 100644
--- a/src/org/apache/xerces/impl/xpath/regex/RegularExpression.java
+++ b/src/org/apache/xerces/impl/xpath/regex/RegularExpression.java
@@ -1525,21 +1525,21 @@ boolean matchAnchor(ExpressionTarget target, Op op, Context con, int offset, int
                 return false;
             break;
         } // switch anchor type
-        
+
         return true;
     }
 
-    private static final int getPreviousWordType(ExpressionTarget target, int begin, int end,
+    private static final int getPreviousWordType(ExpressionTarget target, int start, int end,
                                                  int offset, int opts) {
-        int ret = getWordType(target, begin, end, --offset, opts);
+        int ret = getWordType(target, start, end, --offset, opts);
         while (ret == WT_IGNORE)
-            ret = getWordType(target, begin, end, --offset, opts);
+            ret = getWordType(target, start, end, --offset, opts);
         return ret;
     }
 
-    private static final int getWordType(ExpressionTarget target, int begin, int end,
+    private static final int getWordType(ExpressionTarget target, int start, int end,
                                          int offset, int opts) {
-        if (offset < begin || offset >= end)  return WT_OTHER;
+        if (offset < start || offset >= end)  return WT_OTHER;
         return getWordType0(target.charAt(offset) , opts);
     }
 
diff --git a/src/org/apache/xerces/impl/xs/traversers/SchemaContentHandler.java b/src/org/apache/xerces/impl/xs/traversers/SchemaContentHandler.java
index 4ef9b962f7..acf54c2080 100644
--- a/src/org/apache/xerces/impl/xs/traversers/SchemaContentHandler.java
+++ b/src/org/apache/xerces/impl/xs/traversers/SchemaContentHandler.java
@@ -258,18 +258,18 @@ public void processingInstruction(String target, String data) throws SAXExceptio
             convertToSAXException(e);
         }
     }
-    
-    /* 
+
+    /*
      * @see org.xml.sax.ContentHandler#skippedEntity(java.lang.String)
      */
-    public void skippedEntity(String arg) throws SAXException {
+    public void skippedEntity(String name) throws SAXException {
         // do-nothing
     }
-    
+
     /*
      * Other methods
      */
-    
+
     private void fillQName(QName toFill, String uri, String localpart, String rawname) {
         if (!fStringsInternalized) {
             uri = (uri != null && uri.length() > 0) ? fSymbolTable.addSymbol(uri) : null;