Bug 538428: bugzilla.dtd is not valid

bugzilla.dtd

@@ -10,8 +10,8 @@
     version, rep_platform, op_sys, bug_status, resolution?, dup_id?, see_also*, 
     bug_file_loc?, status_whiteboard?, keywords*, priority, bug_severity, 
     target_milestone?, dependson*, blocked*, everconfirmed, reporter, assigned_to, 
-    cc*, (estimated_time, remaining_time, actual_time, deadline)?, qa_contact?, 
-    token?, group*, flag*, long_desc*, attachment*)?)>
+    cc*, (estimated_time, remaining_time, actual_time, deadline?)?, qa_contact?, 
+    votes?, token?, group*, flag*, long_desc*, attachment*)?)>
 <!ATTLIST bug
           error (NotFound | NotPermitted | InvalidBugId) #IMPLIED
 >
@@ -57,6 +57,7 @@
 <!ELEMENT everconfirmed (#PCDATA)>
 <!ELEMENT cc (#PCDATA)>
 <!ELEMENT see_also (#PCDATA)>
+<!ELEMENT votes (#PCDATA)>
 <!ELEMENT token (#PCDATA)>
 <!ELEMENT group (#PCDATA)>
 <!ATTLIST group
@@ -83,7 +84,6 @@
           isobsolete (0|1) #REQUIRED
           ispatch (0|1) #REQUIRED
           isprivate (0|1) #REQUIRED
-          isurl (0|1) #REQUIRED
 >
 <!ELEMENT attacher (#PCDATA)>
 <!ELEMENT attachid (#PCDATA)>