Update translator documentation.

Whitespace updates.

lib/defaultlocalnav.php

@@ -67,6 +67,7 @@ class DefaultLocalNav extends Menu
             if (!empty($user)) {
                 $sn = new GroupsNav($this->action, $user);
                 if ($sn->haveGroups()) {
+                    // TRANS: Menu item in default local navigation panel.
                     $this->submenu(_m('MENU', 'Groups'), $sn);
                 }
             }

lib/groupeditform.php

@@ -202,10 +202,12 @@ class GroupEditForm extends Form
                 $this->out->elementEnd('li');
             }
             $this->out->elementStart('li');
-            $this->out->checkbox('private', _('Private'), 
+            // TRANS: Checkbox field label on group edit form to mark a group private.
+            $this->out->checkbox('private', _m('LABEL','Private'), 
                                   ($this->out->arg('private')) ? $this->out->arg('private') :
                                  ((!empty($this->group)) ? $this->group->isPrivate() : false),
-                                 _('New members must be approved by admin and all posts are forced to be private'));
+                                 // TRANS: Checkbox field title on group edit form to mark a group private.
+                                 _('New members must be approved by admin and all posts are forced to be private.'));
             $this->out->elementEnd('li');
             Event::handle('EndGroupEditFormData', array($this));
         }

lib/groupsnav.php

@@ -44,7 +44,6 @@ if (!defined('STATUSNET')) {
  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
  * @link      http://status.net/
  */
-
 class GroupsNav extends Menu
 {
     protected $user;