Merge branch '3.4' into 4.4

* 3.4:
  [Yaml] fix dumping strings containing CRs
  [DI] Fix XmlFileLoader bad error message
  Tweak message
  improve PlaintextPasswordEncoder docBlock summary
  [Validator] Add two missing translations for the Arabic (ar) locale
  Use some PHP 5.4 constants unconditionally
  Revert "bug symfony#28179 [DomCrawler] Skip disabled fields processing in Form"
  Add Spanish translation
  Fix typo
  [Validator] add Japanese translation
  Fix typo
  Add Polish translation
  [SecurityBundle] Minor fixes in configuration tree builder
  bumped Symfony version to 3.4.39
  updated VERSION for 3.4.38
  update CONTRIBUTORS for 3.4.38
  updated CHANGELOG for 3.4.38

Author: nicolas-grekas

Resources/translations/validators.ar.xlf

@@ -366,6 +366,14 @@
                 <source>This value should be between {{ min }} and {{ max }}.</source>
                 <target>يجب أن تكون هذه القيمة بين {{ min }} و {{ max }}.</target>
             </trans-unit>
+            <trans-unit id="95">
+                <source>This value is not a valid hostname.</source>
+                <target>هذه القيمة ليست اسم مضيف صالح.</target>
+            </trans-unit>
+            <trans-unit id="96">
+                <source>The number of elements in this collection should be a multiple of {{ compared_value }}.</source>
+                <target>يجب أن يكون عدد العناصر في هذه المجموعة مضاعف {{ compared_value }}.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

Resources/translations/validators.es.xlf

@@ -364,7 +364,15 @@
             </trans-unit>
             <trans-unit id="94">
                 <source>This value should be between {{ min }} and {{ max }}.</source>
-                <target>Este valor debe estar entre {{ min }} y {{ max }}.</target>
+                <target>Este valor debería estar entre {{ min }} y {{ max }}.</target>
+            </trans-unit>
+            <trans-unit id="95">
+                <source>This value is not a valid hostname.</source>
+                <target>Este valor no es un nombre de host válido.</target>
+            </trans-unit>
+            <trans-unit id="96">
+                <source>The number of elements in this collection should be a multiple of {{ compared_value }}.</source>
+                <target>El número de elementos en esta colección debería ser múltiplo de {{ compared_value }}.</target>
             </trans-unit>
         </body>
     </file>

Resources/translations/validators.ja.xlf

@@ -366,6 +366,14 @@
                 <source>This value should be between {{ min }} and {{ max }}.</source>
                 <target>{{ min }}以上{{ max }}以下でなければなりません。</target>
             </trans-unit>
+            <trans-unit id="95">
+                <source>This value is not a valid hostname.</source>
+                <target>有効なホスト名ではありません。</target>
+            </trans-unit>
+            <trans-unit id="96">
+                <source>The number of elements in this collection should be a multiple of {{ compared_value }}.</source>
+                <target>要素の数は{{ compared_value }}の倍数でなければなりません。</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

Resources/translations/validators.pl.xlf

@@ -370,6 +370,10 @@
                 <source>This value is not a valid hostname.</source>
                 <target>Ta wartość nie jest prawidłową nazwą hosta.</target>
             </trans-unit>
+            <trans-unit id="96">
+                <source>The number of elements in this collection should be a multiple of {{ compared_value }}.</source>
+                <target>Liczba elementów w tym zbiorze powinna być wielokrotnością {{ compared_value }}.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

Resources/translations/validators.vi.xlf

@@ -372,7 +372,7 @@
            </trans-unit>
            <trans-unit id="96">
                <source>The number of elements in this collection should be a multiple of {{ compared_value }}.</source>
-               <target>Số lượng các phần tử trong bộ sưu tập này nên là bội số của {{compared_value}}.</target>
+               <target>Số lượng các phần tử trong bộ sưu tập này nên là bội số của {{ compared_value }}.</target>
            </trans-unit>
         </body>
     </file>