X-Git-Url: http://secure.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Literal.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Literal.java
index b91f015..125abe7 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Literal.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Literal.java
@@ -13,25 +13,28 @@ public abstract class Literal extends Expression {
    * @param sourceStart starting offset
    * @param sourceEnd ending offset
    */
-  public Literal(final int sourceStart, final int sourceEnd) {
+  protected Literal(final int sourceStart, final int sourceEnd) {
     super(sourceStart, sourceEnd);
   }
 
   /**
    * Get the variables from outside (parameters, globals ...)
+   *
+   * @param list the list where we will put variables
    */
-  public void getOutsideVariable(final List list) {
-  }
+  public final void getOutsideVariable(final List list) {}
 
   /**
    * get the modified variables.
+   *
+   * @param list the list where we will put variables
    */
-  public void getModifiedVariable(final List list) {
-  }
+  public final void getModifiedVariable(final List list) {}
 
   /**
    * Get the variables used.
+   *
+   * @param list the list where we will put variables
    */
-  public void getUsedVariable(final List list) {
-  }
+  public void getUsedVariable(final List list) {}
 }