--- loncom/xml/lonxml.pm	2004/07/13 19:12:46	1.330
+++ loncom/xml/lonxml.pm	2004/07/26 16:23:47	1.332
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # XML Parser Module 
 #
-# $Id: lonxml.pm,v 1.330 2004/07/13 19:12:46 albertel Exp $
+# $Id: lonxml.pm,v 1.332 2004/07/26 16:23:47 sakharuk Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -400,6 +400,7 @@ sub latex_special_symbols {
 	# any & or # leftover should be safe to just escape
         $string=~s/([^\\]|^)\&/$1\\\&/g;
         $string=~s/([^\\]|^)\#/$1\\\#/g;
+        $string=~s/\|/\$\\mid\$/g;
 #single { or } How to escape?
     }
     return $string;
@@ -746,6 +747,7 @@ sub init_safespace {
 
 #need to inspect this class of ops
 # $safeeval->deny(":base_orig");
+  $safeeval->permit("require");
   $safeinit .= ';$external::target="'.$target.'";';
   my $rndseed;
   my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();