Langcodes and plural forms

We all know Drupal and Symfony do have multilingual support (i18n, l10n, pluralization). But do they match? Or do they equally well? How does one test this? This is what I did. I wanted to add tests for Symfonfy's PluralizationRules as there were none and I wanted to have support for PluralForms loading Drupals *.po files clean and simple. How hard can it be?!? These tests should cover:
  1. Langcodes. Are all known language codes available (or easy to add)?
  2. Parsing Gettext PluralForm rules like

nationalise your site with enlisted variables

With drupal we can enable the locale module and install the i18n module to internationalise and translate our site we can make our hands dirty by visiting the http://build2be.com/admin/build/translate/search.

Still our work is not finished yet. We have to dive into settings.php to translate more strings of our site.

Taken from http://drupal.org/node/275705#comment-1058360 and using http://drupal.org/projects/drush_sm we learn we may choose from a lot of variables.

From _en_ into a translatable _en_

On a multi language site it is desirable to translate the drupal English into the customers Englich likings.

Steps taken

  1. Goto /admin/settings/language/add
    1. Add a custom languages with language prefix en, name en-ours, english English @ Our place and native English @ Our Place
    2. Make your new language the default.
    3. Disable drupal's en
    4. Change the name en-ours into en