Index: openacs-4/packages/dotlrn/lib/member-email-confirm.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/lib/member-email-confirm.tcl,v
diff -u -r1.3 -r1.4
--- openacs-4/packages/dotlrn/lib/member-email-confirm.tcl	7 Oct 2007 22:36:56 -0000	1.3
+++ openacs-4/packages/dotlrn/lib/member-email-confirm.tcl	29 Sep 2013 13:49:45 -0000	1.4
@@ -37,7 +37,7 @@
 	    set subject [lindex $default_email 1]
 	    set email [lindex $default_email 2]
 	}
-        set package [ad_parameter -package_id [ad_acs_kernel_id] SystemURL]
+        set package [parameter::get -package_id [ad_acs_kernel_id] -parameter SystemURL]
 	if {$subject eq ""} {
  	    set subject [_ dotlrn.added_community_subject]
 	}
Index: openacs-4/packages/dotlrn/tcl/community-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/tcl/community-procs.tcl,v
diff -u -r1.205 -r1.206
--- openacs-4/packages/dotlrn/tcl/community-procs.tcl	21 Feb 2011 14:27:27 -0000	1.205
+++ openacs-4/packages/dotlrn/tcl/community-procs.tcl	29 Sep 2013 13:49:45 -0000	1.206
@@ -1229,7 +1229,7 @@
         set chunk ""
 
         if {[empty_string_p $user_id]} {
-            set user_id [ad_get_user_id]
+            set user_id [ad_conn user_id]
         }
 
         set show_drop_link_p [parameter::get_from_package_key \
Index: openacs-4/packages/dotlrn/www/applets.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/applets.tcl,v
diff -u -r1.17 -r1.18
--- openacs-4/packages/dotlrn/www/applets.tcl	14 Mar 2008 14:59:54 -0000	1.17
+++ openacs-4/packages/dotlrn/www/applets.tcl	29 Sep 2013 13:49:45 -0000	1.18
@@ -28,7 +28,7 @@
 dotlrn_portlet::is_allowed -parameter manageapplets
 
 set community_id [dotlrn_community::get_community_id]
-set user_id [ad_get_user_id]
+set user_id [ad_conn user_id]
 set portal_id [dotlrn_community::get_portal_id -community_id $community_id]
 
 set context [list [list "one-community-admin" [_ dotlrn.Admin]] [_ dotlrn.Manage_Applets]]
Index: openacs-4/packages/dotlrn/www/clone.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/clone.tcl,v
diff -u -r1.9 -r1.10
--- openacs-4/packages/dotlrn/www/clone.tcl	7 Oct 2007 22:36:56 -0000	1.9
+++ openacs-4/packages/dotlrn/www/clone.tcl	29 Sep 2013 13:49:45 -0000	1.10
@@ -25,7 +25,7 @@
     title:onevalue
 }
 
-set user_id [ad_get_user_id]
+set user_id [ad_conn user_id]
 set community_id [dotlrn_community::get_community_id]
 
 # this page must be restricted to admins of the community only
Index: openacs-4/packages/dotlrn/www/communities.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/communities.tcl,v
diff -u -r1.10 -r1.11
--- openacs-4/packages/dotlrn/www/communities.tcl	12 Mar 2008 22:11:31 -0000	1.10
+++ openacs-4/packages/dotlrn/www/communities.tcl	29 Sep 2013 13:49:45 -0000	1.11
@@ -31,7 +31,7 @@
     referer:onevalue
 }
 
-set portal_id [dotlrn::get_portal_id -user_id [ad_get_user_id]]
+set portal_id [dotlrn::get_portal_id -user_id [ad_conn user_id]]
 set dotlrn_url [dotlrn::get_url] 
 # Make sure user is logged in
 set user_id [ad_maybe_redirect_for_registration]
Index: openacs-4/packages/dotlrn/www/community-edit-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/community-edit-2.tcl,v
diff -u -r1.18 -r1.19
--- openacs-4/packages/dotlrn/www/community-edit-2.tcl	3 Apr 2009 15:07:13 -0000	1.18
+++ openacs-4/packages/dotlrn/www/community-edit-2.tcl	29 Sep 2013 13:49:45 -0000	1.19
@@ -72,12 +72,12 @@
 # in the CR root folder (-100).
 set logo_name "community_logo_$community_id"
 
-if { ![empty_string_p [ad_parameter MaximumFileSize]] 
+if { ![empty_string_p [parameter::get -parameter MaximumFileSize]] 
        && $tmp_size > 0
-      && $tmp_size > [ad_parameter MaximumFileSize] } {
+      && $tmp_size > [parameter::get -parameter MaximumFileSize] } {
 
     set msg_subst_list [list system_name [ad_system_name] \
-                             max_attachments_bytes [util_commify_number [ad_parameter MaximumFileSize]]]
+                             max_attachments_bytes [util_commify_number [parameter::get -parameter MaximumFileSize]]]
     ad_return_complaint 1 "<li>[_ dotlrn.your_icon_is_too_large $msg_subst_list]"
     ad_script_abort
 }
Index: openacs-4/packages/dotlrn/www/courses.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/courses.tcl,v
diff -u -r1.4 -r1.5
--- openacs-4/packages/dotlrn/www/courses.tcl	12 Mar 2008 22:11:31 -0000	1.4
+++ openacs-4/packages/dotlrn/www/courses.tcl	29 Sep 2013 13:49:45 -0000	1.5
@@ -31,7 +31,7 @@
     referer:onevalue
 }
 
-set portal_id [dotlrn::get_portal_id -user_id [ad_get_user_id]]
+set portal_id [dotlrn::get_portal_id -user_id [ad_conn user_id]]
 set dotlrn_url [dotlrn::get_url] 
 # Make sure user is logged in
 set user_id [ad_maybe_redirect_for_registration]
Index: openacs-4/packages/dotlrn/www/dotlrn-master-custom.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/dotlrn-master-custom.tcl,v
diff -u -r1.3 -r1.4
--- openacs-4/packages/dotlrn/www/dotlrn-master-custom.tcl	9 Nov 2008 23:29:23 -0000	1.3
+++ openacs-4/packages/dotlrn/www/dotlrn-master-custom.tcl	29 Sep 2013 13:49:45 -0000	1.4
@@ -1,4 +1,4 @@
-set user_id [ad_get_user_id]
+set user_id [ad_conn user_id]
 set community_id [dotlrn_community::get_community_id]
 set dotlrn_package_id [dotlrn::get_package_id]
 
Index: openacs-4/packages/dotlrn/www/dotlrn-master-kelp.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/dotlrn-master-kelp.tcl,v
diff -u -r1.5 -r1.6
--- openacs-4/packages/dotlrn/www/dotlrn-master-kelp.tcl	3 Apr 2009 15:07:13 -0000	1.5
+++ openacs-4/packages/dotlrn/www/dotlrn-master-kelp.tcl	29 Sep 2013 13:49:45 -0000	1.6
@@ -42,7 +42,7 @@
 #
 # $Id$
 
-set user_id [ad_get_user_id] 
+set user_id [ad_conn user_id] 
 set community_id [dotlrn_community::get_community_id]
 set dotlrn_url [dotlrn::get_url]
 
@@ -150,7 +150,7 @@
 }
 
 # Set up some basic stuff
-set user_id [ad_get_user_id]
+set user_id [ad_conn user_id]
 if { [ad_conn untrusted_user_id] == 0 } {
     set user_name {}
 } else {
Index: openacs-4/packages/dotlrn/www/dotlrn-master.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/dotlrn-master.tcl,v
diff -u -r1.40 -r1.41
--- openacs-4/packages/dotlrn/www/dotlrn-master.tcl	3 Apr 2009 15:07:13 -0000	1.40
+++ openacs-4/packages/dotlrn/www/dotlrn-master.tcl	29 Sep 2013 13:49:45 -0000	1.41
@@ -43,7 +43,7 @@
 #
 # $Id$
 
-set user_id [ad_get_user_id] 
+set user_id [ad_conn user_id] 
 set community_id [dotlrn_community::get_community_id]
 set dotlrn_url [dotlrn::get_url]
 
@@ -161,7 +161,7 @@
 }
 
 # Set up some basic stuff
-set user_id [ad_get_user_id]
+set user_id [ad_conn user_id]
 if { [ad_conn untrusted_user_id] == 0 } {
     set user_name {}
 } else {
Index: openacs-4/packages/dotlrn/www/members-chunk.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/members-chunk.tcl,v
diff -u -r1.20 -r1.21
--- openacs-4/packages/dotlrn/www/members-chunk.tcl	21 Dec 2006 15:57:53 -0000	1.20
+++ openacs-4/packages/dotlrn/www/members-chunk.tcl	29 Sep 2013 13:49:45 -0000	1.21
@@ -32,7 +32,7 @@
 
 set referer [ns_conn url]
 
-set site_wide_admin_p [ad_permission_p -user_id $user_id [acs_magic_object "security_context_root"] "admin"]
+set site_wide_admin_p [permission::permission_p -party_id $user_id -object_id [acs_magic_object "security_context_root"] -privilege "admin"]
 if {!$site_wide_admin_p} {
     set admin_p [dotlrn::user_can_admin_community_p -user_id $user_id -community_id $community_id]
     set read_private_data_p [dotlrn::user_can_read_private_data_p -user_id $user_id -object_id $community_id]
Index: openacs-4/packages/dotlrn/www/members.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/members.tcl,v
diff -u -r1.30 -r1.31
--- openacs-4/packages/dotlrn/www/members.tcl	14 Jul 2009 10:17:38 -0000	1.30
+++ openacs-4/packages/dotlrn/www/members.tcl	29 Sep 2013 13:49:45 -0000	1.31
@@ -30,7 +30,7 @@
 set my_user_id [ad_conn user_id]
 set context [list [list "one-community-admin" [_ dotlrn.Admin]] [_ dotlrn.Manage_Members]]
 set community_id [dotlrn_community::get_community_id]
-set spam_p [dotlrn::user_can_spam_community_p -user_id [ad_get_user_id] -community_id $community_id]
+set spam_p [dotlrn::user_can_spam_community_p -user_id [ad_conn user_id] -community_id $community_id]
 set approval_policy_p [string eq [group::join_policy -group_id $community_id] "needs approval"]
 set subcomm_p [dotlrn_community::subcommunity_p -community_id $community_id]
 
Index: openacs-4/packages/dotlrn/www/one-community-admin.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/one-community-admin.tcl,v
diff -u -r1.29 -r1.30
--- openacs-4/packages/dotlrn/www/one-community-admin.tcl	12 Mar 2008 22:11:31 -0000	1.29
+++ openacs-4/packages/dotlrn/www/one-community-admin.tcl	29 Sep 2013 13:49:45 -0000	1.30
@@ -37,7 +37,7 @@
  ad_set_client_property dotlrn page_num "-1"
 
 set community_id [dotlrn_community::get_community_id]
-set user_id [ad_get_user_id]
+set user_id [ad_conn user_id]
 
 # Permissions
 dotlrn::require_user_admin_community -user_id $user_id -community_id $community_id
Index: openacs-4/packages/dotlrn/www/register.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/register.tcl,v
diff -u -r1.15 -r1.16
--- openacs-4/packages/dotlrn/www/register.tcl	5 Feb 2008 13:53:08 -0000	1.15
+++ openacs-4/packages/dotlrn/www/register.tcl	29 Sep 2013 13:49:45 -0000	1.16
@@ -83,7 +83,7 @@
             
             set segment_id [db_string select_admin_rel_segment_id {}]
             set community_name [dotlrn_community::get_community_name $community_id]
-            set community_url "[ad_parameter -package_id [ad_acs_kernel_id] SystemURL][dotlrn_community::get_community_url $community_id]"
+            set community_url "[parameter::get -package_id [ad_acs_kernel_id] -parameter SystemURL][dotlrn_community::get_community_url $community_id]"
             
             set query [db_map bulk_mail_query]
 
Index: openacs-4/packages/dotlrn/www/spam.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/spam.tcl,v
diff -u -r1.29 -r1.30
--- openacs-4/packages/dotlrn/www/spam.tcl	15 May 2009 22:38:13 -0000	1.29
+++ openacs-4/packages/dotlrn/www/spam.tcl	29 Sep 2013 13:49:45 -0000	1.30
@@ -173,7 +173,7 @@
     set who_will_receive_this_clause ""
 
     set community_name [dotlrn_community::get_community_name $community_id]
-    set community_url "[ad_parameter -package_id [ad_acs_kernel_id] SystemURL][dotlrn_community::get_community_url $community_id]"
+    set community_url "[parameter::get -package_id [ad_acs_kernel_id] -parameter SystemURL][dotlrn_community::get_community_url $community_id]"
 
     if { ![empty_string_p $recipients_str] } {
 	set recipients_str [join [split $recipients_str] ,]
Index: openacs-4/packages/dotlrn/www/subcommunity-archive.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/subcommunity-archive.tcl,v
diff -u -r1.9 -r1.10
--- openacs-4/packages/dotlrn/www/subcommunity-archive.tcl	8 Aug 2006 21:26:24 -0000	1.9
+++ openacs-4/packages/dotlrn/www/subcommunity-archive.tcl	29 Sep 2013 13:49:45 -0000	1.10
@@ -31,7 +31,7 @@
 }
 
 
-set user_id [ad_get_user_id]
+set user_id [ad_conn user_id]
 dotlrn::require_user_admin_community -community_id $community_id
 set pretty_name [dotlrn_community::get_community_name $community_id]
 set title [_ dotlrn.arhive_group_name [list group_name $pretty_name]]
Index: openacs-4/packages/dotlrn/www/subcommunity-new.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/subcommunity-new.tcl,v
diff -u -r1.24 -r1.25
--- openacs-4/packages/dotlrn/www/subcommunity-new.tcl	8 Aug 2006 21:26:24 -0000	1.24
+++ openacs-4/packages/dotlrn/www/subcommunity-new.tcl	29 Sep 2013 13:49:45 -0000	1.25
@@ -26,7 +26,7 @@
     title:onevalue
 }
 
-set user_id [ad_get_user_id]
+set user_id [ad_conn user_id]
 set parent_community_id [dotlrn_community::get_community_id]
 dotlrn::require_user_admin_community -user_id $user_id -community_id $parent_community_id
 set title "[_ dotlrn.New] [parameter::get -localize -parameter subcommunities_pretty_name]"
Index: openacs-4/packages/dotlrn/www/user-add-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/user-add-2.tcl,v
diff -u -r1.13 -r1.14
--- openacs-4/packages/dotlrn/www/user-add-2.tcl	8 Aug 2006 21:26:24 -0000	1.13
+++ openacs-4/packages/dotlrn/www/user-add-2.tcl	29 Sep 2013 13:49:45 -0000	1.14
@@ -87,7 +87,7 @@
 
 set context_bar [list [list "one-community-admin" [_ dotlrn.Admin]] [_ dotlrn.Add_User]]
 
-set admin_user_id [ad_verify_and_get_user_id]
+set admin_user_id [ad_conn user_id]
 set administration_name [db_string select_admin_name {
     select first_names || ' ' || last_name
     from persons
@@ -96,4 +96,4 @@
 
 set system_name [ad_system_name]
 set export_vars [export_vars -form {email referer type can_browse_p read_private_data_p dotlrn_interactive_p add_membership_p}]
-set system_url [ad_parameter -package_id [ad_acs_kernel_id] SystemURL ""]
+set system_url [parameter::get -package_id [ad_acs_kernel_id] -parameter SystemURL -default ""]
Index: openacs-4/packages/dotlrn/www/user-add-3.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/user-add-3.tcl,v
diff -u -r1.11 -r1.12
--- openacs-4/packages/dotlrn/www/user-add-3.tcl	15 May 2009 22:38:13 -0000	1.11
+++ openacs-4/packages/dotlrn/www/user-add-3.tcl	29 Sep 2013 13:49:45 -0000	1.12
@@ -31,14 +31,14 @@
 dotlrn_portlet::is_allowed -parameter guestuser
 dotlrn_portlet::is_allowed -parameter limiteduser
 
-set admin_user_id [ad_verify_and_get_user_id]
+set admin_user_id [ad_conn user_id]
 set admin_email [db_string select_admin_email {
     select email
     from parties
     where party_id = :admin_user_id
 }]
 
-set msg_subst_values [list system_name [ad_system_name] system_url [ad_parameter SystemUrl]]
+set msg_subst_values [list system_name [ad_system_name] system_url [parameter::get -parameter SystemUrl]]
 set email_subject [_ dotlrn.user_add_confirm_email_subject $msg_subst_values]
 if [catch {acs_mail_lite::send -send_immediately -to_addr $email -from_addr $admin_email -subject $email_subject -body $message} errmsg] {
     ad_return_error "[_ dotlrn.Mail_Failed]" "[_ dotlrn.lt_The_system_was_unable]
Index: openacs-4/packages/dotlrn/www/admin/class-instance-new.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/admin/class-instance-new.tcl,v
diff -u -r1.31 -r1.32
--- openacs-4/packages/dotlrn/www/admin/class-instance-new.tcl	7 Oct 2007 22:36:56 -0000	1.31
+++ openacs-4/packages/dotlrn/www/admin/class-instance-new.tcl	29 Sep 2013 13:49:45 -0000	1.32
@@ -114,12 +114,12 @@
     db_dml update_community_info {}
 
     if {[empty_string_p $referer]} {
-        set referer "[dotlrn::get_admin_url]/class?[export_url_vars class_key]"
+        set referer "[dotlrn::get_admin_url]/class?[export_vars -url {class_key}]"
     }
 
     if {${add_instructor}} {
         set community_id $class_instance_id 
-        ad_returnredirect "add-instructor?[export_url_vars community_id referer]"
+        ad_returnredirect "add-instructor?[export_vars -url {community_id referer}]"
         ad_script_abort
     }
 
Index: openacs-4/packages/dotlrn/www/admin/dotlrn-admins.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/admin/dotlrn-admins.tcl,v
diff -u -r1.7 -r1.8
--- openacs-4/packages/dotlrn/www/admin/dotlrn-admins.tcl	15 May 2007 20:14:25 -0000	1.7
+++ openacs-4/packages/dotlrn/www/admin/dotlrn-admins.tcl	29 Sep 2013 13:49:46 -0000	1.8
@@ -31,7 +31,7 @@
 set dotlrn_admins_group [db_string group_id_from_name "
             select group_id from groups where group_name='dotlrn-admin'" -default ""]
 
-set admin_id [ad_verify_and_get_user_id]
+set admin_id [ad_conn user_id]
 
 set elements [list user \
 		  [list label "[_ dotlrn.User]"\
Index: openacs-4/packages/dotlrn/www/admin/user-new-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/admin/user-new-2.tcl,v
diff -u -r1.34 -r1.35
--- openacs-4/packages/dotlrn/www/admin/user-new-2.tcl	15 May 2009 22:38:13 -0000	1.34
+++ openacs-4/packages/dotlrn/www/admin/user-new-2.tcl	29 Sep 2013 13:49:46 -0000	1.35
@@ -87,7 +87,7 @@
     set subject "Your [ad_system_name] membership has been approved"
     set message "Your [ad_system_name] membership has been approved. Please return to [ad_url] to log into [ad_system_name]."
 
-    set email_from [ad_parameter -package_id [ad_acs_kernel_id] SystemOwner]
+    set email_from [parameter::get -package_id [ad_acs_kernel_id] -parameter SystemOwner]
 
     db_transaction {
 
Index: openacs-4/packages/dotlrn/www/admin/user.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/admin/user.tcl,v
diff -u -r1.26 -r1.27
--- openacs-4/packages/dotlrn/www/admin/user.tcl	15 May 2009 22:38:13 -0000	1.26
+++ openacs-4/packages/dotlrn/www/admin/user.tcl	29 Sep 2013 13:49:46 -0000	1.27
@@ -44,7 +44,7 @@
 #Pages in this directory are only runnable by dotlrn-wide admins.
 dotlrn::require_admin 
 
-set return_url "[ad_parameter -package_id [ad_acs_kernel_id] CommunityMemberAdminURL]?user_id=$user_id"
+set return_url "[parameter::get -package_id [ad_acs_kernel_id] -parameter CommunityMemberAdminURL]?user_id=$user_id"
 set export_edit_vars [export_vars {user_id return_url}]
 
 set dotlrn_url [dotlrn::get_url]
Index: openacs-4/packages/dotlrn/www/admin/users-bulk-approve.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/admin/users-bulk-approve.tcl,v
diff -u -r1.3 -r1.4
--- openacs-4/packages/dotlrn/www/admin/users-bulk-approve.tcl	15 May 2009 22:38:13 -0000	1.3
+++ openacs-4/packages/dotlrn/www/admin/users-bulk-approve.tcl	29 Sep 2013 13:49:46 -0000	1.4
@@ -48,7 +48,7 @@
 
     set subject "Your [ad_system_name] membership has been approved"
     set message "Your [ad_system_name] membership has been approved. Please return to [ad_url] to log into [ad_system_name]."
-    set email_from [ad_parameter -package_id [ad_acs_kernel_id] SystemOwner]
+    set email_from [parameter::get -package_id [ad_acs_kernel_id] -parameter SystemOwner]
 
     set pending_users [db_list get_all_pending_users {}]
 
Index: openacs-4/packages/dotlrn/www/admin/users-bulk-upload-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/admin/users-bulk-upload-2.tcl,v
diff -u -r1.22 -r1.23
--- openacs-4/packages/dotlrn/www/admin/users-bulk-upload-2.tcl	15 May 2009 22:38:13 -0000	1.22
+++ openacs-4/packages/dotlrn/www/admin/users-bulk-upload-2.tcl	29 Sep 2013 13:49:46 -0000	1.23
@@ -31,7 +31,7 @@
 # Prepare stuff
 set headers {first_names last_name email username}
 
-set admin_user_id [ad_verify_and_get_user_id]
+set admin_user_id [ad_conn user_id]
 set admin_email [db_string select_admin_email {
     select email
     from parties
@@ -128,7 +128,7 @@
 
             doc_body_append [_ dotlrn.user_email_created [list user_email $row(email)]]
             set msg_subst_list [list system_name [ad_system_name] \
-                                     system_url [ad_parameter -package_id [ad_acs_kernel_id] SystemURL] \
+                                     system_url [parameter::get -package_id [ad_acs_kernel_id] -parameter SystemURL] \
                                      user_email $row(email) \
                                      user_password $password]
             set message [_ dotlrn.user_add_confirm_email_body $msg_subst_list]