if (isset($GLOBALS['TYPO3_CONF_VARS_extensionAdded'][$sectionName][$key])) {
// Don't allow editing stuff which is added by extensions
// Make sure we fix potentially duplicated entries from older setups
if (isset($GLOBALS['TYPO3_CONF_VARS_extensionAdded'][$sectionName][$key])) {
// Don't allow editing stuff which is added by extensions
// Make sure we fix potentially duplicated entries from older setups