Explain what $wgDummyLanguageCodes does, and remove 'iu' from it as it should be...

diff --git a/includes/DefaultSettings.php b/includes/DefaultSettings.php
index 565c5aa..b6a3850 100644 (file)
--- a/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@ -1853,15 +1853,16 @@ $wgExtraLanguageNames = array();
 
 /**
  * List of language codes that don't correspond to an actual language.
- * These codes are leftoffs from renames, or other legacy things.
+ * These codes are mostly leftoffs from renames, or other legacy things.
  * Also, qqq is a dummy "language" for documenting messages.
+ * This array makes them not appear as a selectable language on the installer,
+ * and excludes them when running the transstat.php script.
  */
 $wgDummyLanguageCodes = array(
        'als',
        'bat-smg',
        'be-x-old',
        'fiu-vro',
-       'iu',
        'nb',
        'qqq',
        'qqx',