Index: openacs-4/packages/acs-lang/sql/oracle/message-catalog.sql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-lang/sql/oracle/message-catalog.sql,v
diff -u -r1.15.2.1 -r1.15.2.2
--- openacs-4/packages/acs-lang/sql/oracle/message-catalog.sql	25 Aug 2020 13:38:12 -0000	1.15.2.1
+++ openacs-4/packages/acs-lang/sql/oracle/message-catalog.sql	10 Feb 2022 21:33:44 -0000	1.15.2.2
@@ -16,6 +16,11 @@
     timezone           varchar2(100)
 );
 
+
+-- The column object_id allows to bind the message key to the
+-- lifetime of an acs_object: upon object's deletion, the message
+-- key will be automatically deleted from the system.
+
 create table lang_message_keys ( 
     message_key        varchar2(200)
                        constraint lang_message_keys_m_key_nn
@@ -26,14 +31,10 @@
                        on delete cascade
                        constraint lang_message_keys_p_key_nn
                        not null,
-
-    -- This optional column allows to bind the message key to the
-    -- lifetime of an acs_object: upon object's deletion, the message
-    -- key will be automatically deleted from the system.
-    object_id          integer constraint lang_message_keys_object_id_fk
+    object_id          integer
+                       constraint lang_message_keys_object_id_fk
                        references acs_objects(object_id)
                        on delete cascade,
-
     description        clob,
     constraint lang_message_keys_pk
     primary key (message_key, package_key)