$OpenBSD$
--- doc/gpscorrelate-manpage.xml.in.orig	Thu Mar 11 15:11:55 2010
+++ doc/gpscorrelate-manpage.xml.in	Thu Mar 11 15:13:04 2010
@@ -1,6 +1,6 @@
 <?xml version='1.0' encoding='ISO-8859-1'?>
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
+"${LOCALBASE}/share/xml/docbook/4.2/docbookx.dtd" [
 
   <!ENTITY dhfirstname "<firstname>Stefano</firstname>">
   <!ENTITY dhsurname   "<surname>Zacchiroli</surname>">