Index: group_form.php
===================================================================
RCS file: /cvsroot/moodle/moodle/group/group_form.php,v
retrieving revision 1.3.2.2
diff -u -r1.3.2.2 group_form.php
--- group_form.php	23 Nov 2007 22:12:35 -0000	1.3.2.2
+++ group_form.php	22 Dec 2008 15:07:23 -0000
@@ -49,7 +49,7 @@
 
         $name = trim(stripslashes($data['name']));
         if ($data['id'] and $group = get_record('groups', 'id', $data['id'])) {
-            if ($group->name != $name) {
+            if (strcasecmp($group->name, $name) != 0) {
                 if (groups_get_group_by_name($COURSE->id,  $name)) {
                     $errors['name'] = get_string('groupnameexists', 'group', $name);
                 }

Index: grouping_form.php
===================================================================
RCS file: /cvsroot/moodle/moodle/group/grouping_form.php,v
retrieving revision 1.1.2.2
diff -u -r1.1.2.2 grouping_form.php
--- grouping_form.php	23 Nov 2007 22:12:35 -0000	1.1.2.2
+++ grouping_form.php	22 Dec 2008 15:07:01 -0000
@@ -34,7 +34,7 @@
 
         $name = trim(stripslashes($data['name']));
         if ($data['id'] and $grouping = get_record('groupings', 'id', $data['id'])) {
-            if ($grouping->name != $name) {
+            if (strcasecmp($grouping->name, $name) != 0) {
                 if (groups_get_grouping_by_name($COURSE->id,  $name)) {
                     $errors['name'] = get_string('groupingnameexists', 'group', $name);
                 }