Pie Register is a really great plugin.
I am about to translate it to german. At least the frontend textes.
Is there a possibility to translate the country dropdown box in the address section of registration form?
There are Strings for all Countries in the .po File, but translating them has only an effect in the backend, when choosing the default language, not in frontend.
unfortunately there isn’t an easy solution without making some modifications to the plugin code.
I checked the Plugin Files and the countries aren’t translated in other languages before they are displayed in the dropdown box.
So I had to add some code to the plugin myself (registration_form.php, around line 450).
The way I did it was going through the $countries array and translating every entry to the given language: