Index: head/share/xml/docbook50.dtd
===================================================================
--- head/share/xml/docbook50.dtd
+++ head/share/xml/docbook50.dtd
@@ -18,8 +18,6 @@
 	xmlns:xi	CDATA	#FIXED	"http://www.w3.org/2001/XInclude"
 >
 
-<!ELEMENT buildtarget (#PCDATA|replaceable)*>
-
 <!ENTITY % db.common.attributes "
 	xml:id	ID	#IMPLIED
 	version	CDATA	#IMPLIED
@@ -61,7 +59,13 @@
 
 ">
 
-<!ELEMENT title (#PCDATA|inlinemediaobject|remark|superscript|subscript|xref|link|olink|anchor|biblioref|alt|annotation|indexterm|abbrev|acronym|date|emphasis|footnote|footnoteref|foreignphrase|phrase|quote|wordasword|firstterm|glossterm|coref|trademark|productnumber|productname|database|application|hardware|citation|citerefentry|citetitle|citebiblioid|author|person|personname|org|orgname|editor|jobtitle|replaceable|package|parameter|termdef|nonterminal|systemitem|option|optional|property|inlineequation|tag|markup|token|symbol|literal|code|constant|email|uri|guiicon|guibutton|guimenuitem|guimenu|guisubmenu|guilabel|menuchoice|mousebutton|keycombo|keycap|keycode|keysym|shortcut|accel|prompt|envar|filename|command|computeroutput|userinput|function|varname|returnvalue|type|classname|exceptionname|interfacename|methodname|modifier|initializer|ooclass|ooexception|oointerface|errorcode|errortext|errorname|errortype)*>
+<!ELEMENT buildtarget (#PCDATA|replaceable)*>
+
+<!ATTLIST buildtarget
+	%db.common.attributes;
+>
+
+<!ELEMENT title (#PCDATA|inlinemediaobject|remark|superscript|subscript|xref|link|olink|anchor|biblioref|alt|annotation|indexterm|abbrev|acronym|date|emphasis|footnote|footnoteref|foreignphrase|phrase|quote|wordasword|firstterm|glossterm|coref|trademark|productnumber|productname|database|application|hardware|citation|citerefentry|citetitle|citebiblioid|author|person|personname|org|orgname|editor|jobtitle|replaceable|package|parameter|termdef|nonterminal|systemitem|option|optional|property|inlineequation|tag|markup|token|symbol|literal|code|constant|email|uri|guiicon|guibutton|guimenuitem|guimenu|guisubmenu|guilabel|menuchoice|mousebutton|keycombo|keycap|keycode|keysym|shortcut|accel|prompt|envar|filename|command|computeroutput|userinput|function|varname|returnvalue|type|classname|exceptionname|interfacename|methodname|modifier|initializer|ooclass|ooexception|oointerface|errorcode|errortext|errorname|errortype|buildtarget)*>
 
 <!ATTLIST title
 	xmlns	CDATA	#FIXED	"http://docbook.org/ns/docbook"