# This patch file was generated by NetBeans IDE
# This patch can be applied using context Tools: Apply Diff Patch action on respective folder.
# It uses platform neutral UTF-8 encoding.
# Above lines and this line are ignored by the patching process.
--- typo3\sysext\core\Classes\Utility\ExtensionManagementUtility.php workingcopy
+++ typo3\sysext\core\Classes\Utility\ExtensionManagementUtility.php
@@ -644,27 +644,19 @@
 	 */
 	static protected function removeDuplicatesForInsertion($insertionList, $list = '') {
 		$insertionListParts = preg_split('/\\s*,\\s*/', $insertionList);
-		$cleanInsertionListParts = array();
-        foreach ($insertionListParts as $fieldName) {
-            if ($fieldName == '--linebreak--' || !in_array($fieldName, $cleanInsertionListParts)) {
-                $cleanInsertionListParts[] = $fieldName;
-            }
-        }
-        $cleanInsertionList = implode(', ', $cleanInsertionListParts);
+		$insertionList = implode(', ', array_unique($insertionListParts));
 		if ($list === '') {
-			return $cleanInsertionList;
+			return $insertionList;
 		}
 		// Get a list of fieldNames that are present in the list.
 		preg_match_all('/(?:^|,)\\s*\\b([^;,]+)\\b[^,]*/', $list, $listMatches);
 		// Remove the field names from the insertionlist.
 		$fieldReplacePatterns = array();
 		foreach ($listMatches[1] as $fieldName) {
-            if ($fieldName != '--linebreak--') {
                 $fieldReplacePatterns[] = '/(?:^|,)\\s*\\b' . preg_quote($fieldName, '/') . '\\b[^,$]*/';
             }
+		return preg_replace($fieldReplacePatterns, '', $insertionList);
 		}
-		return preg_replace($fieldReplacePatterns, '', $cleanInsertionList);
-	}

 	/**
 	 * Generates search needles that are used for inserting fields/items into an existing list.