=== modified file 'htdocs/post_note.php'
--- htdocs/post_note.php	2011-01-19 10:31:30 +0000
+++ htdocs/post_note.php	2011-01-19 13:20:28 +0000
@@ -85,9 +85,29 @@
     $reply_subject = ev_gettext('Re: %1$s', $details['iss_summary']);
 }
 
+$users = Project::getUserAssocList($prj_id, 'active', User::getRoleID('Customer'));
+$user_details = User::getDetailsAssoc(array_keys($users));
+function array_orderby() {
+    $args = func_get_args();
+    $data = array_shift($args);
+    foreach ($args as $n => $field) {
+        if (is_string($field)) {
+            $tmp = array();
+            foreach ($data as $key => $row)
+                $tmp[$key] = $row[$field];
+            $args[$n] = $tmp;
+            }
+    }
+    $args[] = &$data;
+    call_user_func_array('array_multisort', $args);
+    return array_pop($args);
+}
+$user_details = array_orderby($user_details, 'usr_grp_id', SORT_ASC, 'usr_full_name', SORT_ASC);
+
 $tpl->assign(array(
     'from'               => User::getFromHeader($usr_id),
-    'users'              => Project::getUserAssocList($prj_id, 'active', User::getRoleID('Customer')),
+    'users'              => $users, // XXX: drop me, we use $user_details now
+    'user_details'       => $user_details,
     'current_user_prefs' => Prefs::get($usr_id),
     'subscribers'        => Notification::getSubscribers($issue_id, false, User::getRoleID("Standard User")),
     'statuses'           => Status::getAssocStatusList($prj_id, false),

=== modified file 'templates/post_note.tpl.html'
--- templates/post_note.tpl.html	2010-10-07 11:47:17 +0000
+++ templates/post_note.tpl.html	2011-01-19 13:01:33 +0000
@@ -127,8 +127,17 @@
                 size="{$users|@count}"
               {/if}
               multiple name="note_cc[]" onChange="showSelections('post_note_form', 'note_cc[]');">
-              {html_options options=$users}
-            </select><input class="button" type="button" value="{t}Clear Selections{/t}" onClick="clearExtraRecipients();"><br />
+
+              {foreach from=$user_details item=usr}
+              {if $usr.group}
+                {assign var=display_name value="`$usr.group`: `$usr.usr_full_name`"}
+              {else}
+                {assign var=display_name value=$usr.usr_full_name}
+              {/if}
+                {html_options values=$usr.usr_id output=$display_name}
+              {/foreach}
+            </select>
+            <input class="button" type="button" value="{t}Clear Selections{/t}" onClick="clearExtraRecipients();"><br />
             {include file="lookup_field.tpl.html" lookup_field_name="search" lookup_field_target="note_cc[]" callbacks="new Array('showSelections(\'post_note_form\', \'note_cc[]\')')"}
             <div class="default" id="selection_note_cc[]"></div>
           </td>