Index: headinganchors.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/tableofcontents/headinganchors.module,v
retrieving revision 1.2.4.2.2.4
diff -u -r1.2.4.2.2.4 headinganchors.module
--- headinganchors.module 21 Jun 2008 18:21:16 -0000  1.2.4.2.2.4
+++ headinganchors.module 4 Nov 2008 18:37:33 -0000
@@ -106,7 +106,7 @@
         $pattern = "/<h".$level.$attributes.">".preg_quote($heading, '/')."<\/h".$level.">/i";
 
         // append everything together to create the new heading
-        $replacement = "<h".$level.$attributes." id=\"".$anchor."\">".$heading."</h".$level.">";
+        $replacement = "<h".$level.$attributes." id=\"".$anchor."\">".str_replace('$', '\\$', $heading)."</h".$level.">";
         // replace the header in the text
         // Limit of one so that identical headers are only replaced one at a time
         $text = preg_replace($pattern, $replacement, $text, 1);