[LON-CAPA-cvs] cvs: loncom /homework edit.pm

[albertel]

albertel		Tue May 13 16:48:12 2003 EDT

  Modified files:              
    /loncom/homework	edit.pm 
  Log:
  - undef ai't a good new value for args
  
  
Index: loncom/homework/edit.pm
diff -u loncom/homework/edit.pm:1.51 loncom/homework/edit.pm:1.52
--- loncom/homework/edit.pm:1.51	Sat May 10 19:04:58 2003
+++ loncom/homework/edit.pm	Tue May 13 16:48:12 2003
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # edit mode helpers
 #
-# $Id: edit.pm,v 1.51 2003/05/10 23:04:58 www Exp $
+# $Id: edit.pm,v 1.52 2003/05/13 20:48:12 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -460,7 +460,7 @@
     my $element=&html_element_name($arg);
     my $newvalue=$ENV{"form.$element"};
     &Apache::lonxml::debug(" for:$arg: cur is :$value: new is :$newvalue:");
-    if ($value ne $newvalue) {
+    if (defined($newvalue) && $value ne $newvalue) {
       $token->[2]->{$arg}=$newvalue;
       $rebuild=1;
     }