Merge branch '4.3' into 4.4

* 4.3:
  cs fix
  Partially Revert "Remove trailing space in all markdown files"
  [Intl] Explicit check
  Fix getMaxFilesize() returning zero
  [DI] fix docblocks in Container*
  Fixed markdown file
  [TwigBridge] Replaced plain doc block copies with inheritdoc.
  [DomCrawler] Fixed CHANGELOG markup
  [Intl] Cleanup unused language aliases entry

Author: nicolas-grekas

Data/Generator/LanguageDataGenerator.php

@@ -169,7 +169,6 @@ protected function generateDataForMeta(BundleEntryReaderInterface $reader, $temp
         return [
             'Version' => $rootBundle['Version'],
             'Languages' => $this->languageCodes,
-            'Aliases' => array_column(iterator_to_array($metadataBundle['alias']['language']), 'replacement'),
             'Alpha2ToAlpha3' => $alpha2ToAlpha3,
             'Alpha3ToAlpha2' => $alpha3ToAlpha2,
         ];
@@ -185,9 +184,9 @@ private function generateAlpha2ToAlpha3Mapping(ArrayAccessibleResourceBundle $me
         $aliases = iterator_to_array($metadataBundle['alias']['language']);
         $alpha2ToAlpha3 = [];
 
-        foreach ($aliases as $alias => $language) {
-            $language = $language['replacement'];
-            if (2 === \strlen($language) && 3 === \strlen($alias)) {
+        foreach ($aliases as $alias => $data) {
+            $language = $data['replacement'];
+            if (2 === \strlen($language) && 3 === \strlen($alias) && 'overlong' === $data['reason']) {
                 if (isset(self::$preferredAlpha2ToAlpha3Mapping[$language])) {
                     // Validate to prevent typos
                     if (!isset($aliases[self::$preferredAlpha2ToAlpha3Mapping[$language]])) {

Resources/data/languages/meta.json

@@ -618,7 +618,6 @@
         "zun",
         "zza"
     ],
-    "Aliases": [],
     "Alpha2ToAlpha3": {
         "aa": "aar",
         "ab": "abk",