# This patch file was generated by NetBeans IDE
# This patch can be applied using context Tools: Apply Diff Patch action on respective folder.
# It uses platform neutral UTF-8 encoding.
# Above lines and this line are ignored by the patching process.
Index: moodle/lib/tablelib.php
--- moodle/lib/tablelib.php Base (1.24.2.3)
+++ moodle/lib/tablelib.php Locally Modified (Based On 1.24.2.3)
@@ -559,7 +559,7 @@
                 echo '<strong>'.$strall.'</strong>';
             }
             foreach ($alpha as $letter) {
-                if ($letter == $this->sess->i_first) {
+                if (isset($this->sess->i_first) && $letter == $this->sess->i_first) {
                     echo ' <strong>'.$letter.'</strong>';
                 } else {
                     echo ' <a href="'.$this->baseurl.$this->request[TABLE_VAR_IFIRST].'='.$letter.'">'.$letter.'</a>';
@@ -576,7 +576,7 @@
                 echo '<strong>'.$strall.'</strong>';
             }
             foreach ($alpha as $letter) {
-                if ($letter == $this->sess->i_last) {
+                if (isset($this->sess->i_last) && $letter == $this->sess->i_last) {
                     echo ' <strong>'.$letter.'</strong>';
                 } else {
                     echo ' <a href="'.$this->baseurl.$this->request[TABLE_VAR_ILAST].'='.$letter.'">'.$letter.'</a>';