--- a/common.dtd	Fri Feb 03 16:28:04 2006 -0500
+++ b/common.dtd	Sun Jan 14 22:15:25 2007 -0500
@@ -15,8 +15,7 @@
 "linkend  IDREF                         #REQUIRED
 endterm   IDREF                         #IMPLIED">
 <!ENTITY % oref.attrib
-"objent   ENTITY                        #REQUIRED
-linkend  CDATA                          #REQUIRED
+"linkend  CDATA                          #REQUIRED
 endterm  CDATA                          #REQUIRED">
 <!ENTITY % title.class "title,subtitle?,titleabbrev?">
 <!ENTITY % info.class "docinfo?,%title.class;">