[BUGFIX] Fixing problem with parsing   in XML

Classes/Service/FileBaseXMLService.php

@@ -199,7 +199,7 @@ class FileBaseXMLService extends FileBaseService {
 				if (SgLib::checkForCdataInString($value)) {
 					$simpleSubNode = $xmlElement->addChildCData($tagName, $value);
 				} else {
-					$simpleSubNode = $xmlElement->addChild($tagName, $value);
+					$simpleSubNode = $xmlElement->addChild($tagName, htmlspecialchars($value));
 				}
 				if ($indexAttributeValue !== NULL) {
 					$simpleSubNode->addAttribute('index', $indexAttributeValue);

Classes/Service/FileOverrideService.php

@@ -202,9 +202,12 @@ class FileOverrideService extends FileBaseXMLService {
 			}
 		}
 
-		foreach ($this->localLang as $lang => $langData) {
-			foreach ($langData as $constKey => $constValue) {
-				if (isset($langData[$constKey])) {
+		foreach ($this->localLang as $language => $languageData) {
+			if (!is_array($languageData)) {
+				continue;
+			}
+			foreach ($languageData as $constKey => $constValue) {
+				if (isset($languageData[$constKey])) {
 					return TRUE;
 				}
 			}