You may notice that even though you are using a translation that you have installed, there might still be some untranslated text peeking out here and there. This will become more likely as you add contributed modules. Almost no site will have absolutely 100% language coverage out of the box, so you will probably need to translate a few items yourself. Drupal has a built-in system to do this with the Locale module, but there is also a contributed “Localization client” module which extends this core feature. In this lesson we'll take a look at Localization Client, see why want to use it, and how it works.
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This video covers a topic in Drupal 7 which may or may not be the version you're using. We're keeping this tutorial online as a courtesy to users of Drupal 7, but we consider it archived.