From c1be9b31a25b65267cfe9543784c159bc20fc692 Mon Sep 17 00:00:00 2001
From: skodak <skodak>
Date: Sat, 9 Dec 2006 13:34:26 +0000
Subject: [PATCH] MDL-7734 fixed warning when $course not defined when printing
 help button; merged from MOODLE_17_STABLE

---
 lib/weblib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/weblib.php b/lib/weblib.php
index baf5392e41..58da7d0034 100644
--- a/lib/weblib.php
+++ b/lib/weblib.php
@@ -4507,7 +4507,7 @@ function helpbutton ($page, $title='', $module='moodle', $image=true, $linktext=
     global $CFG, $course;
 
     // fix for MDL-7734
-    if ($course->lang) {
+    if (!empty($course->lang)) {
         $forcelang = $course->lang;
     } else {
         $forcelang = '';
-- 
2.39.5