From 1a1370bb0d038c898549271a2fbafa4e61a18545 Mon Sep 17 00:00:00 2001
From: willcast <willcast>
Date: Wed, 15 Oct 2003 22:01:12 +0000
Subject: [PATCH] - Link within link issue: Solved.

---
 mod/glossary/dynalink.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/mod/glossary/dynalink.php b/mod/glossary/dynalink.php
index 010ef9b2e71c9..7b722da216448 100644
--- a/mod/glossary/dynalink.php
+++ b/mod/glossary/dynalink.php
@@ -83,8 +83,9 @@ function glossary_link_concepts($text,$concept,$href_tag_begin,$href_tag_end = "
         foreach (array_unique($list_of_links[0]) as $key=>$value) {
             $links['<|*'.$key.'*|>'] = $value;
         }
-        $text = str_replace($links,array_keys($links),$text);
-
+		if ( $links ) {
+            $text = str_replace($links,array_keys($links),$text);
+        }
         // getting ride of all other tahs
         $final = array();
         preg_match_all('/<(.+?)>/is',$text,$list_of_words);
@@ -105,8 +106,9 @@ function glossary_link_concepts($text,$concept,$href_tag_begin,$href_tag_end = "
 
         $text = eregi_replace("$list_of_words_cp", "$href_tag_begin"."\\1"."$href_tag_end", $text);
         $text = str_replace(array_keys($final),$final,$text);
-        $text = str_replace(array_keys($links),$links,$text);
-
+		if ( $links ) {
+            $text = str_replace(array_keys($links),$links,$text);
+        }
         return stripslashes($text);
     }