      *  The class style used by this component. This can be a String, CSSStyleDeclaration
      *  or an IStyleClient. 
      *
-     *  <p>If this is a String, it is the name of a class declaration
-     *  in an <code>mx:Style</code> tag or CSS file. You do not include the period in 
-     *  the <code>styleName</code>. For example, if you have a class style named <code>".bigText"</code>,
+     *  <p>If this is a String, it is the name of one or more whitespace delimited class
+     *  declarations in an <code>mx:Style</code> tag or CSS file. You do not include the period
+     *  in the <code>styleName</code>. For example, if you have a class style named <code>".bigText"</code>,
      *  set the <code>styleName</code> property to <code>"bigText"</code> (no period).</p>
      *
      *  <p>If this is an IStyleClient (typically a UIComponent), all styles in the

            }
            else if (styleName is String)
            {
                // Get the style sheet referenced by the styleName property
                classSelector =
                    StyleManager.getStyleDeclaration("." + styleName);
            }
        }


        //  - for non-inheriting styles, the global style sheet
        //  - for inheriting styles, my parent's style object
        var nonInheritChain:Object = StyleManager.stylesRoot;

        if (nonInheritChain && nonInheritChain.effects)
            registerEffects(nonInheritChain.effects);

        var p:IStyleClient = parent as IStyleClient;
        if (p)
        {
