diff -r 9926aab3d0b5 -r a84698badf0b mercurial/hgweb/webcommands.py
--- a/mercurial/hgweb/webcommands.py	Sun Nov 20 19:14:36 2011 +0100
+++ b/mercurial/hgweb/webcommands.py	Fri Nov 18 12:04:31 2011 +0100
@@ -12,7 +12,7 @@
 from mercurial.util import binary
 from common import paritygen, staticfile, get_contact, ErrorResponse
 from common import HTTP_OK, HTTP_FORBIDDEN, HTTP_NOT_FOUND
-from mercurial import graphmod
+from mercurial import graphmod, patch
 from mercurial import help as helpmod
 from mercurial.i18n import _
 
@@ -576,6 +576,7 @@
     fctx = webutil.filectx(web.repo, req)
     f = fctx.path()
     parity = paritygen(web.stripecount)
+    diffopts = patch.diffopts(web.repo.ui, untrusted=True, section='annotate')
 
     def annotate(**map):
         last = None
@@ -585,7 +586,8 @@
             lines = enumerate([((fctx.filectx(fctx.filerev()), 1),
                                 '(binary:%s)' % mt)])
         else:
-            lines = enumerate(fctx.annotate(follow=True, linenumber=True))
+            lines = enumerate(fctx.annotate(follow=True, linenumber=True,
+                                            diffopts=diffopts))
         for lineno, ((f, targetline), l) in lines:
             fnode = f.filenode()