Index: openacs-4/packages/acs-lang/www/admin/edit-localized-message.adp
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-lang/www/admin/edit-localized-message.adp,v
diff -u -r1.19 -r1.19.2.1
--- openacs-4/packages/acs-lang/www/admin/edit-localized-message.adp	5 Jul 2018 09:22:34 -0000	1.19
+++ openacs-4/packages/acs-lang/www/admin/edit-localized-message.adp	15 Apr 2019 17:30:48 -0000	1.19.2.1
@@ -27,6 +27,11 @@
 
 <if @create_p;literal@ true>
   <ul class="action-links">
-    <li> <a href="@delete_url@">Delete this message</a></li>
+    <if @deleted_p;literal@ true>
+      <li> <a href="@undelete_url@" title="Undelete this message">Undelete this message</a> </li>
+    </if>
+    <else>
+      <li> <a href="@delete_url@" title="Delete this message">Delete this message</a></li>
+    </else>
   </ul>
 </if>
Index: openacs-4/packages/acs-lang/www/admin/edit-localized-message.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-lang/www/admin/edit-localized-message.tcl,v
diff -u -r1.24.2.1 -r1.24.2.2
--- openacs-4/packages/acs-lang/www/admin/edit-localized-message.tcl	8 Apr 2019 14:38:09 -0000	1.24.2.1
+++ openacs-4/packages/acs-lang/www/admin/edit-localized-message.tcl	15 Apr 2019 17:30:48 -0000	1.24.2.2
@@ -49,7 +49,15 @@
 set usage_show_url [export_vars -base [ad_conn url] { locale package_key message_key show {usage_p 1} return_url }]
 
 set delete_url [export_vars -base message-delete { locale package_key message_key show {return_url {[ad_return_url]}} }]
+set undelete_url [export_vars -base message-undelete { locale package_key message_key show {return_url {[ad_return_url]}} }]
 
+set deleted_p [db_string get_deleted_p {
+    select deleted_p
+    from   lang_messages
+    where  package_key = :package_key
+    and    message_key = :message_key
+    and    locale = :current_locale
+}]
 
 ad_form -name message_form -form {
     {locale:text(hidden),optional {value $current_locale}}