Use the locale to sort the list of activites everywhere. This matches a change a made in one place before christmas. If you don't do this, the PHP sorts by ASCII order, so mixed case names, or special characters, get sorted wrongly.

admin/modules.php

@@ -182,7 +182,7 @@
         }
         $modulebyname[$strmodulename] = $module;
     }
-    ksort($modulebyname);
+    ksort($modulebyname, SORT_LOCALE_STRING);
 
 /// Print the table of all modules
     // construct the flexible table ready to display

course/lib.php

@@ -1259,7 +1259,7 @@ function get_all_mods($courseid, &$mods, &$modnames, &$modnamesplural, &$modname
             }
         }
         if ($modnamesused) {
-            asort($modnamesused);
+            asort($modnamesused, SORT_LOCALE_STRING);
         }
     }
 }

help.php

@@ -149,7 +149,7 @@ function include_help_for_each_module($file, $langs, $helpdir) {
         $strmodulename = get_string('modulename', $mod->name);
         $modulebyname[$strmodulename] = $mod;
     }
-    ksort($modulebyname);
+    ksort($modulebyname, SORT_LOCALE_STRING);
 
     foreach ($modulebyname as $mod) {
         foreach ($langs as $lang) {