Issue: Empty articles in Namespace with Spaces in Title

	function fetch_namespace_array($lower = false)
	{
		if ($lower)
		{
			if (!empty($this->namespaces_lower))
			{
				return;
			}

			global $vbulletin;

			if (empty($this->namespaces))
			{
				$this->fetch_namespace_array();
			}

			foreach ($this->namespaces AS $id => $text)
			{
				$temp = strtolower($this->urlencode($text, $id));

				if ($vbulletin->options['vault_spaces'] == 0)
				{
					$temp = str_replace('+', ' ', $temp);
				}

				$this->namespaces_lower["$id"] = $temp;
			}

			return;
		}

		global $vbulletin;

		if (!empty($this->namespaces))
		{
			return;
		}

		$this->namespaces = array();

		if (!empty($vbulletin->options['vault_namespaces']))
		{
			$this->namespacecache = unserialize($vbulletin->options['vault_namespaces']);
		}

		if (!is_array($this->namespacecache))
		{
			$this->namespacecache = array();
			return;
		}

		foreach ($this->namespacecache AS $namespaceid => $namespace_info)
		{
			if (
				empty($namespace_info['forumid']) AND
				$namespaceid != ISLAND_SPACE AND
				$namespaceid != SPECIAL_SPACE
			)
			{
				continue;
			}
			/*
			* 0 => island,
			* 1 => special,
			* 2 => template,
			* 3 => help,
			* 4 => header,
			* 5 => book,
			* 6 => default
			*/
			// tags are for markup and should be ignored
			$this->namespaces["$namespaceid"] = strip_tags($namespace_info['title']);
		}
	}

function special_verify_id($idname, &$fallbackid, $alert = true, $selall = false, $options = 0)
{
	global $vbulletin, $vault;

	$type = 'wiki';

	// $_REQUEST vars are already decoded!!!
	$id = $vbulletin->GPC[$vbulletin->options['ces_titlevar']];

	if (stripos($id, 'island:') === 0)
	{
		$fallbackid = substr($id, 7);
		$id = '';
	}

	if (empty($id) AND intval($fallbackid))
	{
		$type = 'island';
		$id = $fallbackid;
	}

	if (empty($id))
	{
		if ($alert)
		{
			global $globaltemplates, $show;

			$vault->error += VAULT_NOID;
			$id = $vault->namespacecache[SPECIAL_SPACE]['title'] . ':' . $GLOBALS['vbphrase']['search_title'];
			$vault->misc['special'] = 'search';
			$type = 'wiki';
			$globaltemplates[] = 'vault_search_noid';
		}
		else
		{
			return array($idname . 'id' => 0);
		}
	}

	if ($type == 'island')
	{
		$fetchid = $id;
		$titlecache = '';
	}

	$selid = ($selall ? '*' : $idname . 'id');

	if ($type != 'island')
	{
		if (
			$_SERVER['REQUEST_METHOD'] == 'POST' AND
			(
				$_POST['do'] == 'create' OR
				$_POST['do'] == 'edit'
			) AND
			empty($_POST['edittitle']) AND
			!$vbulletin->GPC['ajax']
		)
		{
			$test = array(
				'title' => $id,
				'forumid' => $vbulletin->GPC['forumid'],
				'prefixid' => $_POST['prefixid']
			);

			$vault->affix_prefix($test);
			$id = $test['title'];
		}

		$titlecache = strtolower($id);
		$titlebits = explode(':', $titlecache, 2);

		if ($vbulletin->GPC['forumid'] > 0)
		{
			$islandforum = fetch_foruminfo($vbulletin->GPC['forumid']);

			if ($islandforum['vault_type'] == 2)
			{
				$hook_namespace = 0;
			}
			else
			{
				$hook_namespace = $vault->fetch_namespaceid($vbulletin->GPC['forumid']);
			}
		}

		$vault->fetch_namespace_array(true);

		if (
			in_array($titlebits[0], $vault->namespaces_lower) AND
			$titlebits[0] != $titlecache
		)
		{
			$titlecache = $titlebits[1];

			$new_hook_namespace = array_search($titlebits[0], $vault->namespaces_lower);
			$forumcache = $titlebits[0];

			if (isset($hook_namespace) AND $new_hook_namespace != $hook_namespace)
			{
				// we actually want the namespace in the title in another namespace
				$there_was_no_namespace = true;
				$forumcache = $vault->namespaces["$new_hook_namespace"];
				$titlecache = implode(':', $titlebits);
			}
			else
			{
				$there_was_no_namespace = false;
			}

			$hook_namespace = $new_hook_namespace;
		}
		else
		{
			if ($islandforum['vault_type'] != 2)
			{
				if (!$hook_namespace OR empty($vault->namespaces["$hook_namespace"]))
				{
					$hook_namespace = intval($vbulletin->options['ces_default_forumid']);
				}

				$forumcache = $vault->namespaces["$hook_namespace"];
			}

			$titlecache = implode(':', $titlebits);
			$there_was_no_namespace = true;
		}

		if ($hook_namespace)
		{
			$fetchid = $vault->fetch_article($titlecache, $hook_namespace, VAULT_LANGUAGEID, 'threadid');
		}
		else
		{
			$fetchid = false;
		}
	}

	($hook = vBulletinHook::fetch_hook('vault_verify_id')) ? eval($hook) : false;

	if (($islandforum['vault_type'] == 2 OR $fetchid) AND empty($check))
	{
		if ($selid == '*')
		{
			$vault->misc['fetchid'] = $fetchid ? $fetchid : $titlecache;
			$vault->misc['hook_namespace'] = intval($hook_namespace);
			$vault->misc['fetch_lastpostinfo'] = true;

			if ($idname == 'post')
			{
				global $threadinfo, $postcache;

				$threadinfo = fetch_threadinfo($fetchid, false);
				$postcache[$threadinfo['firstpostid']] = NULL;
				$check = fetch_postinfo($threadinfo['firstpostid']);
			}
			else if ($idname == 'thread')
			{
				$check = fetch_threadinfo($fetchid, false);
			}
		}
		else
		{
			$check = $vbulletin->db->query_first("
				SELECT $idname.$selid, IF(forum.vault_type = 2, 1, 0) AS island
				FROM " . TABLE_PREFIX . "$idname AS $idname" . ($idname == 'post' ? "
				LEFT JOIN " . TABLE_PREFIX . "thread AS thread ON (thread.threadid = post.threadid)" : "") . "
				LEFT JOIN " . TABLE_PREFIX . "forum AS forum ON (thread.forumid = forum.forumid)
				WHERE $idname.threadid = " . intval($fetchid) . "
				ORDER BY $idname.dateline ASC
			");
		}
	}

	if (empty($check) AND $alert)
	{
		if ($type == 'island')
		{
			global $vbphrase;

			$vault->error += VAULT_ISLAND_ERROR;
			$vault->errno = $idname;
		}

		if (!$fetchid AND $idname == 'post')
		{
			global $threadinfo;
		}

		if ($idname == 'post')
		{
			$threadinfo['threadid'] = 'error';
		}
		else
		{	
			$check['threadid'] = 'error';
		}

		if (
			// this was direct request
			$_SERVER['REQUEST_METHOD'] == 'GET' OR
			(
				// all we did was switch tabs
				$_REQUEST['do'] == 'edit' AND
				empty($_POST['forumid'])
			)
		)
		{
			// make best guess at intended title
			$id = $vault->urldecode($id);
		}

		if ($there_was_no_namespace)
		{
			if ($idname == 'post')
			{
				$threadinfo['title'] = $id;
			}
			else
			{
				$check['title'] = $id;
			}
		}
		else
		{
			if ($idname == 'post')
			{
				$threadinfo['title'] = substr($id, strpos($id, ':') + 1);
			}
			else
			{
				$check['title'] = substr($id, strpos($id, ':') + 1);
			}
		}

		if ($idname == 'post')
		{
			// the db title would have been html encoded
			$threadinfo['title'] = htmlspecialchars_uni($threadinfo['title']);
			$threadinfo['namespaceid'] = $hook_namespace;
			$threadinfo['firstpostid'] = -1;

			if ($islandforum['vault_type'] == 2)
			{
				$threadinfo['forumid'] = $vbulletin->GPC['forumid'];
			}
			else if ($hook_namespace != SPECIAL_SPACE)
			{
				$threadinfo['forumid'] = $vault->namespacecache["$hook_namespace"]['forumid'];
			}
		}
		else
		{
			// the db title would have been html encoded
			$check['title'] = htmlspecialchars_uni($check['title']);
			$check['namespaceid'] = $hook_namespace;
			$check['firstpostid'] = -1;

			if ($islandforum['vault_type'] == 2)
			{
				$check['forumid'] = $vbulletin->GPC['forumid'];
			}
			else if ($hook_namespace != SPECIAL_SPACE)
			{
				$check['forumid'] = $vault->namespacecache["$hook_namespace"]['forumid'];
			}
		}

		if ($hook_namespace > SPECIAL_SPACE AND $vbulletin->forumcache[($idname == 'post' ? $threadinfo['forumid'] : $check['forumid'])]['vault_type'] != 1)
		{
			$vault->error += VAULT_TOP_LEVEL;
		}
	}
	unset($there_was_no_namespace, $hook_namespace, $fetchid, $type);

	return ($selall ? $check : $check["$selid"]);
}