Index: openacs-4/packages/evaluation/www/task-view.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/evaluation/www/task-view.tcl,v
diff -u -N -r1.15 -r1.16
--- openacs-4/packages/evaluation/www/task-view.tcl	7 Oct 2007 22:36:59 -0000	1.15
+++ openacs-4/packages/evaluation/www/task-view.tcl	27 Oct 2014 16:41:25 -0000	1.16
@@ -7,8 +7,8 @@
     @creation-date Mar 2004
     @cvs-id $Id$
 } {
-    grade_id:integer,notnull
-    task_id:integer,notnull
+    grade_id:naturalnum,notnull
+    task_id:naturalnum,notnull
     {return_url ""}
 }
 
@@ -33,9 +33,9 @@
 }
 db_1row get_task_info { *SQL* }
 
-if { ![empty_string_p $task_data] } {
+if { $task_data ne "" } {
 
-    if { [string eq $task_title "link"] } {
+    if {$task_title eq "link"} {
  	set task_url "<a href=\"$task_data\">$task_data</a>"
     } else {
 	# we assume it's a file
@@ -51,9 +51,9 @@
     }
 }
 
-if { ![empty_string_p $solution_data] } {
+if { $solution_data ne "" } {
 
-    if { [string eq $solution_title "link"] } {
+    if {$solution_title eq "link"} {
 	# there is a bug in the template::list, if the url does not has a http://, ftp://, the url is not absolute,
 	# so we have to deal with this case
 	array set community_info [site_node::get -url "[dotlrn_community::get_community_url [dotlrn_community::get_community_id]][evaluation::package_key]"]