--- a/tests/test-help.t	Mon Aug 24 23:30:17 2015 -0400
+++ b/tests/test-help.t	Thu Sep 24 13:58:18 2015 -0400
@@ -278,6 +278,11 @@
        transplant    command to transplant changesets from another branch
        win32mbcs     allow the use of MBCS paths with problematic encodings
        zeroconf      discover and advertise repositories on the local network
+
+Verify that extension keywords appear in help templates
+
+  $ hg help --config extensions.transplant= templating|grep transplant > /dev/null
+
 Test short command list with verbose option
 
   $ hg -v help shortlist