commit bbe47d3c83695f90ea86c89c73443308404bfad2
Author: Ashley Holman <ashley@netspot.com.au>
Date:   Wed May 29 16:37:00 2013 +0930

    MDL-39992 mod/assign Sort grading actions in alphabetical order

diff --git a/mod/assign/locallib.php b/mod/assign/locallib.php
index bd3ca67..ac11c71 100644
--- a/mod/assign/locallib.php
+++ b/mod/assign/locallib.php
@@ -2550,6 +2550,9 @@ class assign {
             }
         }
 
+        // sort links alphabetically based on link description
+        asort($links);
+
         $gradingactions = new url_select($links);
         $gradingactions->set_label(get_string('choosegradingaction', 'assign'));