Add note about locale requirement with underscore and not dash

diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 2c4c7d195050a6392c0c480b7c4ba2b09a04c6b0..caa585f25372fa9bf9051e14340d3f912d34ef4b 100644 (file)
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -96,6 +96,9 @@ class Configuration implements ConfigurationInterface {
                        ],
                        'locale' => '%kernel.default_locale%',
                        'locales' => '%kernel.translator.fallbacks%',
+                       //XXX: revert to underscore because of that shit:
+                       //XXX: see https://symfony.com/doc/current/components/config/definition.html#normalization
+                       //XXX: see https://github.com/symfony/symfony/issues/7405
                        'languages' => '%rapsys_user.languages%',
                        'path' => [
                                'cache' => '%kernel.project_dir%/var/cache',