diff -r 56380212d630 -r b6f5490effbf hgext/notify.py
--- a/hgext/notify.py	Mon Nov 03 16:31:47 2008 +0100
+++ b/hgext/notify.py	Mon Nov 03 16:48:23 2008 +0100
@@ -238,9 +238,8 @@
         maxdiff = int(self.ui.config('notify', 'maxdiff', 300))
         prev = self.repo.changelog.parents(node)[0]
 
-        self.ui.pushbuffer()
-        patch.diff(self.repo, prev, ref, opts=patch.diffopts(self.ui))
-        difflines = self.ui.popbuffer().splitlines()
+        chunks = patch.diff(self.repo, prev, ref, opts=patch.diffopts(self.ui))
+        difflines = ''.join(chunks).splitlines()
 
         if self.ui.configbool('notify', 'diffstat', True):
             s = patch.diffstat(difflines)