Index: openacs-4/packages/acs-core-docs/www/eng-standards-constraint-naming.adp
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-core-docs/www/eng-standards-constraint-naming.adp,v
diff -u -r1.1.2.4 -r1.1.2.5
--- openacs-4/packages/acs-core-docs/www/eng-standards-constraint-naming.adp	9 Jun 2016 08:44:49 -0000	1.1.2.4
+++ openacs-4/packages/acs-core-docs/www/eng-standards-constraint-naming.adp	21 Jun 2016 07:44:36 -0000	1.1.2.5
@@ -48,6 +48,8 @@
 <td>check</td><td>ck</td>
 </tr><tr>
 <td>not null</td><td>nn</td>
+</tr><tr>
+<td>index</td><td>idx</td>
 </tr>
 </tbody>
 </table></div>