Bug 152834 support HTML description of the template
The template descrition is a fragment of HTML, use that fragment to render the template in HTML.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/presentation/LocalizedContentVisitor.java
Object rawValue = content.getRawValue( );
			if ( rawValue instanceof byte[] )
			{
				byte[] values = (byte[]) rawValue;
				itemPresentation
						.deserialize( new ByteArrayInputStream( values ) );
			}
			IResultSet parent = context.getResultSet( );
			if (parent != null)
			{
				parent = parent.getParent( );
			}
			IRowSet[] rowSets = executeQueries( parent, design );
			try
			{
				Object output = itemPresentation.onRowSets( rowSets );
				if ( output != null )
				{
					int type = itemPresentation.getOutputType( );
					String imageMIMEType = itemPresentation.getImageMIMEType( );
					generatedContent = processExtendedContent( content, type, output, imageMIMEType );
				}
				itemPresentation.finish( );
			}
			catch ( BirtException ex )
			{
				context.addException( design.getHandle( ), ex );
				logger.log( Level.SEVERE, ex.getMessage( ), ex );
			}
			closeQueries( rowSets );