From c5f2c467df7bcf95aea8ebfa282addf6c30457ce Mon Sep 17 00:00:00 2001
From: Gareth Rees <gdr@ravenbrook.com>
Date: Mon, 13 Oct 2014 23:24:38 +0100
Subject: [PATCH] Oops, revert 187238.

Copied from Perforce
 Change: 187257
 ServerID: perforce.ravenbrook.com
---
 mps/design/sig.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mps/design/sig.txt b/mps/design/sig.txt
index 4b02b6a7466..6704898e713 100644
--- a/mps/design/sig.txt
+++ b/mps/design/sig.txt
@@ -149,7 +149,7 @@ Tools
 -----
 _`.test.uniq`: The Unix command::
 
-    grep -oh '^#define \w*Sig\b' code/*.[ch] | sort | uniq -c
+    sed -n '/^#define [a-zA-Z]*Sig/s/[^(]*(/(/p' code/*.[ch] | sort | uniq -c
 
 will display all signatures defined in the MPS along with a count of how
 many times they are defined.  If any counts are greater than 1, then the