rem: if (!literal) return defaultValue; return getLiteralValue(literal, defaultValue); 
add: return literal instanceof Components.interfaces.nsIRDFLiteral ? literal.Value : defaultValue; 
context: function getAttribute(datasource, resource, attributeResourceName, defaultValue) {  var literal = datasource.GetTarget(resource, attributeResourceName, true);  if (!literal)    return defaultValue;  return getLiteralValue(literal, defaultValue);  }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/e877c267f4ca2e54c05bb6b6328ad735e98d9c17/help.js/clean/extensions/help/resources/content/help.js