}
for ( Iterator it = m.keySet().iterator(); it.hasNext(); )
{
String key = (String) it.next();
Expression expression = (Expression) m.get( key );
sb.append( "${" ).append( key ).append( "}: " );
sb.append( trimCDATA( expression.getDescription() ) );
sb.append( "\n\n" );
}
if ( output != null )
{