Bug 179664 [Automation]CustomXML can't be set on chart[00]
Details; [Automation]CustomXML can't be set on chart[00] Step: 1.Add a chart 2.Open the properties tab and input some word in customXML Actual result: Nothing is set in customXML, when I click the enter, the customXML will come be blank.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/extension/PeerExtensibilityProvider.java
{
			for ( int i = 0; i < dynamicMethods.length; i++ )
			{
				IPropertyDefinition extProp = dynamicMethods[i];
				MethodInfo methodInfo = (MethodInfo) extProp.getMethodInfo( );
				ExtensionModelPropertyDefn modelPropDefn = new ExtensionModelPropertyDefn(
						extProp, extDefn.getReportItemFactory( ).getMessages( ) );
				modelPropDefn.setDetails( methodInfo );
				methods.add( modelPropDefn );
			}
		}
		return methods;
	}
	/**
	 * Returns the element property definition with the given name from Model,
	 * the extension definition file or extension model defined by
	 * <code>IReportItem</code>.
	 * 
	 * @param propName
	 *            name of the property
	 * @return the element property definition with the given name
	 */
	public IPropertyDefn getPropertyDefn( String propName )
	{
		IPropertyDefn propDefn = super.getPropertyDefn( propName );
		if ( propDefn == null )
		{
			PeerExtensionElementDefn extDefn = (PeerExtensionElementDefn) getExtDefn( );
			IPropertyDefinition[] extProps = getExtensionModelPropertyDefns( );
			if ( extProps != null )