diff -r 22f3353bcc36 -r c01dc9087d9a contrib/check-code.py
--- a/contrib/check-code.py	Tue Sep 21 16:00:02 2010 -0500
+++ b/contrib/check-code.py	Tue Sep 21 16:44:13 2010 -0500
@@ -72,6 +72,7 @@
 
 uprefix = r"^  \$ "
 utestpats = [
+    (uprefix + r'.*\|\s*sed', "use regex test output patterns instead of sed"),
     (uprefix + r'(true|exit 0)', "explicit zero exit unnecessary"),
     (uprefix + r'.*\$\?', "explicit exit code checks unnecessary"),
     (uprefix + r'.*\|\| echo.*(fail|error)',