Added more intl info on deprecation

Author: gerardnico

data/pages/support/requirement.txt

@@ -32,7 +32,7 @@ ComboStrap is dependent on the following php extensions
 | ''pdo_sqlite'' | Yes | Sqlite is the [[docs:analytics:database|database]] |
 | ''mbstring'' | Yes | Multi-byte string permits to manage all [[docs:locale:lang|language]] |
 | ''openssl'' | Yes | SSL for security reason and message digest |
-| ''intl'' | No | the [[https://www.php.net/manual/en/book.intl.php|international module]] is used to retrieve the [[docs:locale:region|country]] of the server if not set and to avoid `Class "IntlDateFormatter" not found`. |
+| ''intl'' | Yes | the [[https://www.php.net/manual/en/book.intl.php|international module]] is used to replace the deprecated [[https://www.php.net/manual/en/function.strftime.php|strftime]] and retrieve the [[docs:locale:region|country]] of the server if not set and to avoid `Class "IntlDateFormatter" not found`. |
 | ''gd2'' | Yes | for [[:docs:content:vignette|vignette]] creation and [[docs:content:raster|raster image]] manipulation |
 | ''xml'' | Yes | For the [[:docs:performance:svg_optimization|SVG optimization]] |