From 8ee80b574925de9403ee2f21f906535665d57e05 Mon Sep 17 00:00:00 2001
From: David Cramer <david@thingbag.net>
Date: Thu, 24 Aug 2017 16:16:03 -0500
Subject: [PATCH] Only set target.database.filename if target.database.document
 is set

Addressing https://github.com/docbook/xslt10-stylesheets/issues/47 by checking to see if target.database.document is set.
---
 xsl/common/olink.xsl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xsl/common/olink.xsl b/xsl/common/olink.xsl
index 786f842e4..ea954b8fc 100644
--- a/xsl/common/olink.xsl
+++ b/xsl/common/olink.xsl
@@ -63,6 +63,7 @@
   <xsl:variable name="target.database.filename">
     <xsl:choose>
       <xsl:when test="$xml.base != '' and
+                   not($target.database.document = '') and
                    not(starts-with($target.database.document, 'file:/')) and
                    not(starts-with($target.database.document, '/'))">
         <xsl:call-template name="systemIdToBaseURI">
-- 
2.50.1