diff --git a/a2ps-wdiff.patch b/a2ps-wdiff.patch
new file mode 100644
index 0000000..7315336
--- /dev/null
+++ b/a2ps-wdiff.patch
@@ -0,0 +1,40 @@
+--- a2ps-4.13/contrib/pdiff.m4.wdiff	2005-03-23 15:43:47.000000000 +0000
++++ a2ps-4.13/contrib/pdiff.m4	2005-03-23 15:46:13.000000000 +0000
+@@ -15,7 +15,7 @@
+ a2ps=${A2PS:-a2ps}
+ a2ps_options=
+ debug=
+-diff_on=words
++diff_on=lines
+ diff_prog=${DIFF:-diff}
+ diff_options='-u'
+ file=
+@@ -40,8 +40,6 @@
+  -h, --help           display this help and exit
+  -v, --version        display version information and exit
+  -q, --quiet          don't print informational messages
+- -l, --lines          search for line differences (\`diff')
+- -w, --words          search for word differences (\`wdiff')
+  -o, --output=FILE    save the output in FILE
+ 
+ Options for a2ps are given after \`--', for instance
+--- a2ps-4.13/contrib/pdiff.in.wdiff	2005-03-23 15:43:50.000000000 +0000
++++ a2ps-4.13/contrib/pdiff.in	2005-03-23 15:46:16.000000000 +0000
+@@ -29,7 +29,7 @@
+ a2ps=${A2PS:-a2ps}
+ a2ps_options=
+ debug=
+-diff_on=words
++diff_on=lines
+ diff_prog=${DIFF:-diff}
+ diff_options='-u'
+ file=
+@@ -54,8 +54,6 @@
+  -h, --help           display this help and exit
+  -v, --version        display version information and exit
+  -q, --quiet          don't print informational messages
+- -l, --lines          search for line differences (\`diff')
+- -w, --words          search for word differences (\`wdiff')
+  -o, --output=FILE    save the output in FILE
+ 
+ Options for a2ps are given after \`--', for instance
diff --git a/a2ps.spec b/a2ps.spec
index 0565f5d..c534423 100644
--- a/a2ps.spec
+++ b/a2ps.spec
@@ -34,6 +34,7 @@ Patch24: a2ps-underquoted.patch
 Patch25: a2ps-autoconf.patch
 Patch26: a2ps-make-fonts-map.patch
 Patch27: a2ps-netscape.patch
+Patch28: a2ps-wdiff.patch
 Requires: fileutils sh-utils info
 BuildRequires: /usr/bin/emacs, gperf, flex, libtool, texinfo
 Url: http://www.inf.enst.fr/~demaille/a2ps/
@@ -108,6 +109,9 @@ and medias.
 # Don't try to run netscape.  Run mozilla instead (bug #121393).
 %patch27 -p1 -b .netscape
 
+# Make pdiff default to not requiring wdiff (bug #68537).
+%patch28 -p1 -b .wdiff
+
 # Fix reference to a2ps binary (bug #112930).
 perl -pi -e "s,/usr/local/bin,%{_bindir}," contrib/emacs/a2ps.el
 libtoolize --copy --force
@@ -218,6 +222,9 @@ fi
 %dir %{_datadir}/a2ps
 
 %changelog
+* Wed Mar 23 2005 Tim Waugh <twaugh@redhat.com> 4.13b-45
+- Make pdiff default to not requiring wdiff (bug #68537).
+
 * Wed Mar  2 2005 Tim Waugh <twaugh@redhat.com> 4.13b-45
 - Rebuild for new GCC.