msgfmt ./plugin_name-ru_RU.po -o ./plugin_name-ru_RU.mo
# emerge -pv gettext
[ebuild R ] sys-devel/gettext-0.19.4::gentoo USE="acl cxx ncurses nls openmp -cvs -doc -emacs -git -java -static-libs" ABI_X86="(64) -32 (-x32)" 17 302 KiB
add_action('after_setup_theme', 'my_theme_setup');
function my_theme_setup(){
load_theme_textdomain('my-theme', get_template_directory() . '/languages');
}