Index: openacs-4/packages/acs-tcl/tcl/user-extensions-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/user-extensions-procs.tcl,v
diff -u -r1.2 -r1.2.2.1
--- openacs-4/packages/acs-tcl/tcl/user-extensions-procs.tcl	10 Sep 2002 22:22:14 -0000	1.2
+++ openacs-4/packages/acs-tcl/tcl/user-extensions-procs.tcl	20 Dec 2002 19:14:17 -0000	1.2.2.1
@@ -1,7 +1,9 @@
 
 ad_library {
 
-    Procs to manage extensions to user data
+    Procs to manage extensions to user data.
+    This calls the UserData service contract for allowing packages to be notified 
+    of changes in user information.
 
     @author ben@openforce.net
     @creation-date 2002-01-22
@@ -16,6 +18,11 @@
         {-list_of_args:required}
         {-impl ""}
     } {
+    
+    	Dispatches (calls the service contract routines) the requested
+	method so that the operation gets executed.
+
+    } {
         if {[empty_string_p $impl]} {
             set extensions [list_extensions]
         } else {
Index: openacs-4/packages/acs-tcl/tcl/user-extensions-procs.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/user-extensions-procs.xql,v
diff -u -r1.1 -r1.1.4.1
--- openacs-4/packages/acs-tcl/tcl/user-extensions-procs.xql	23 Jan 2002 02:06:53 -0000	1.1
+++ openacs-4/packages/acs-tcl/tcl/user-extensions-procs.xql	20 Dec 2002 19:14:17 -0000	1.1.4.1
@@ -5,11 +5,14 @@
 
 <fullquery name="acs_user_extension::list_extensions.select_extensions">
 <querytext>
-select impl_name from acs_sc_impls, acs_sc_bindings, acs_sc_contracts
-where
-acs_sc_impls.impl_id = acs_sc_bindings.impl_id and
-acs_sc_contracts.contract_id= acs_sc_bindings.contract_id and 
-acs_sc_contracts.contract_name='UserData'
+  select 
+         impl_name from acs_sc_impls, acs_sc_bindings, acs_sc_contracts
+   where
+         acs_sc_impls.impl_id = acs_sc_bindings.impl_id 
+     and
+         acs_sc_contracts.contract_id = acs_sc_bindings.contract_id 
+     and 
+         acs_sc_contracts.contract_name = 'UserData'
 </querytext>
 </fullquery>