po filles generation.

framework/console/controllers/MessageController.php

@@ -189,6 +189,7 @@ class MessageController extends Controller
 			$merged = [];
 			$untranslated = [];
 			foreach ($messages as $message) {
+                $message = preg_replace('/\\"/', '\"', $message);
 				if (array_key_exists($message, $translated) && strlen($translated[$message]) > 0) {
 					$merged[$message] = $translated[$message];
 				} else {
@@ -202,6 +203,7 @@ class MessageController extends Controller
 				$todo[$message] = '';
 			}
 			ksort($translated);
+            if($format === 'php'){
                 foreach ($translated as $message => $translation) {
                     if (!isset($merged[$message]) && !isset($todo[$message]) && !$removeUnused) {
                         if (substr($translation, 0, 2) === '@@' && substr($translation, -2) === '@@') {
@@ -211,6 +213,7 @@ class MessageController extends Controller
                         }
                     }
                 }
+            }
 			$merged = array_merge($todo, $merged);
 			if ($sort) {
 				ksort($merged);
@@ -221,6 +224,8 @@ class MessageController extends Controller
 			if($format === 'po'){
 				$out_str = '';
 				foreach($merged as $k=>$v){
+                    $k = preg_replace('/(\")|(\\\")/', "\\\"", $k);
+                    $v = preg_replace('/(\")|(\\\")/', "\\\"", $v);
 					$out_str .= "msgid \"$k\"\n";
 					$out_str .= "msgstr \"$v\"\n";
 					$out_str .= "\n";
@@ -233,6 +238,7 @@ class MessageController extends Controller
 				$merged = '';
 				sort($messages);
 				foreach($messages as $message) {
+                    $message = preg_replace('/(\")|(\\\")/', '\\\"', $message);
 					$merged .= "msgid \"$message\"\n";
 					$merged .= "msgstr \"\"\n";
 					$merged .= "\n";