From 368a55d8f3a913e19203083121597ef0c5496189 Mon Sep 17 00:00:00 2001
From: Norman Walsh <ndw@nwalsh.com>
Date: Fri, 17 Feb 2006 14:39:02 +0000
Subject: [PATCH] Support startref on indexterm

---
 docbook/relaxng/tools/doc2dtd.xsl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/docbook/relaxng/tools/doc2dtd.xsl b/docbook/relaxng/tools/doc2dtd.xsl
index d0237ee9a..1cbb60b80 100644
--- a/docbook/relaxng/tools/doc2dtd.xsl
+++ b/docbook/relaxng/tools/doc2dtd.xsl
@@ -374,6 +374,12 @@
 <xsl:template match="rng:attribute" mode="attributes">
   <xsl:param name="override" select="0"/>
 
+  <xsl:if test="ancestor::rng:define[1]/@name = 'db.indexterm.singular'
+		and @name = 'zone'">
+    <!-- hack; force the startref attribute to be there... -->
+    <dtd:attribute name="startref" occurs="optional" type="IDREF"/>
+  </xsl:if>
+
   <xsl:choose>
     <xsl:when test="$override = 0">
       <xsl:choose>
-- 
2.40.0