--- a/hgext/pager.py Mon Feb 06 22:57:52 2017 -0500
+++ b/hgext/pager.py Mon Feb 06 22:58:26 2017 -0500
@@ -110,4 +110,4 @@
extensions.wrapfunction(dispatch, '_runcommand', pagecmd)
extensions.afterloaded('color', afterloaded)
-attended = ['diff', 'export', 'glog', 'log', 'qdiff']
+attended = ['export', 'glog', 'log', 'qdiff']
--- a/mercurial/commands.py Mon Feb 06 22:57:52 2017 -0500
+++ b/mercurial/commands.py Mon Feb 06 22:58:26 2017 -0500
@@ -1940,6 +1940,7 @@
diffopts = patch.diffallopts(ui, opts)
m = scmutil.match(repo[node2], pats, opts)
+ ui.pager('diff')
cmdutil.diffordiffstat(ui, repo, diffopts, node1, node2, m, stat=stat,
listsubrepos=opts.get('subrepos'),
root=opts.get('root'))