Bug 153378 [Regression]Label text won't show up when the text key is not found
Steps to reproduce: 1.Add a label, set text to "aaa" 2.Add a resource file "a" to the report, add a text key "k1" which is not in the a.properties to the label 3.Preview in Web Viewer Expected result: Label display "aaa" when the text key is not found Actual result: Nothing in preview
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/util/DocumentUtil.java
/**
	 * Copies properties from <code>style</code> to the <code>target</code>.
	 * 
	 * @param target
	 *            the target element
	 * @param style
	 *            the style element
	 * @param targetDesign
	 *            the module of the target element
	 */
	private static void localizeStyleProperties( DesignElement target,
			DesignElement style, Module targetDesign )
	{
		Module root = style.getRoot( );
		assert root != null;
		
		IElementDefn defn = style.getDefn( );
		Iterator iter = defn.getPropertyIterator( );
		while ( iter.hasNext( ) )
		{
			PropertyDefn prop = (PropertyDefn) iter.next( );
			Object value = style.getLocalProperty( root, prop.getName( ) );
			if ( value != null )
			{
				
				if ( target.getPropertyDefn( prop.getName( ) ) != null
						&& target.getLocalProperty( targetDesign,
								(ElementPropertyDefn) prop ) == null )
					target.setProperty( prop.getName( ), value );
			}