Testing sublime 2 text git plugin.

gac_privatemsg.module

// Disable replies to a message.
  $items[$url_prefix . '/lock/%privatemsg_thread'] = array(
    'title' => 'Lock Thread',
    'page callback' => 'gac_privatemsg_lock_thread',
    'page arguments' => array($url_prefix_arg_count + 1),
    'access callback' => 'gac_privatemsg_lock_access',
    'access arguments' => array($url_prefix_arg_count + 1),
    'type' => MENU_CALLBACK,
  );