From df1dd184d781eb88aad0eaef65e3164e09208d20 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Wed, 10 Mar 2004 06:50:59 +0000
Subject: [PATCH] (nl invocation): Specify that these are _basic_ regular
 expressions (BRE), and add a link to grep's documentation.

---
 doc/coreutils.texi | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 6e074f5fa9..eebcb0088b 100644
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -1331,8 +1331,10 @@ number all lines,
 number only nonempty lines (default for body),
 @item n
 do not number lines (default for header and footer),
-@item p@var{regexp}
-number only lines that contain a match for @var{regexp}.
+@item p@var{bre}
+number only lines that contain a match for the basic regular
+expression @var{bre}.
+@xref{Regular Expressions, , Regular Expressions, grep, The GNU Grep Manual}.
 @end table
 
 @item -d @var{cd}
-- 
2.47.2