Bug 119550 Default Value of Named Expression can't be saved in design file
New a report, set named expression in the report property editor add a named expression and set the default value add a report item, say table, to the layout set the named expression of the report item add a named expression and set hte default value save the report close the report and reopen, and there is no default named expression value displayed. open report design file with a text editor, there is no default value associate with the named expression
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/parser/UserPropertyStructureState.java
{
		UserChoice choice = null;
		String choiceName = null;
		ChoicePropertyState( UserChoice theChoice )
		{
			this.choice = theChoice;
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.birt.report.model.util.AbstractParseState#parseAttrs(org.xml.sax.Attributes)
		 */
		public void parseAttrs( Attributes attrs ) throws XMLParserException
		{
			choiceName = attrs.getValue( DesignSchemaConstants.NAME_ATTRIB );
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.birt.report.model.util.AbstractParseState#end()
		 */
		public void end( ) throws SAXException
		{
			String value = text.toString( );
			if ( UserChoice.NAME_PROP.equalsIgnoreCase( choiceName ) )
				choice.setName( value );
			else if ( UserChoice.VALUE_PROP.equalsIgnoreCase( choiceName ) )
			{