From 42c73ef9b7e5eb552b972bc05335746f54e34f98 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Wed, 3 Sep 2014 17:22:20 -0400
Subject: [PATCH] Update URL reference material in /contrib/isn docs

Report by Peter Eisentraut
---
 doc/src/sgml/isn.sgml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/doc/src/sgml/isn.sgml b/doc/src/sgml/isn.sgml
index 4a2e7da763..c1da702df6 100644
--- a/doc/src/sgml/isn.sgml
+++ b/doc/src/sgml/isn.sgml
@@ -364,7 +364,9 @@ SELECT isbn13(id) FROM test;
    The prefixes used for hyphenation were also compiled from:
    <itemizedlist>
     <listitem><para><ulink url="http://www.gs1.org/productssolutions/idkeys/support/prefix_list.html"></ulink></para></listitem>
-    <listitem><para><ulink url="http://www.isbn-international.org/en/identifiers.html"></ulink></para></listitem>
+    <listitem><para><ulink url="http://en.wikipedia.org/wiki/List_of_ISBN_identifier_groups"></ulink></para></listitem>
+    <listitem><para><ulink url="https://www.isbn-international.org/content/isbn-users-manual"></ulink></para></listitem>
+    <listitem><para><ulink url="http://en.wikipedia.org/wiki/International_Standard_Music_Number"></ulink></para></listitem>
     <listitem><para><ulink url="http://www.ismn-international.org/ranges.html"></ulink></para></listitem>
    </itemizedlist>