>From fe06a81c1fdaeda10bfdde82b43e2b18bfd1de5e Mon Sep 17 00:00:00 2001
From: Paul Eggert <address@hidden>
Date: Thu, 3 Aug 2017 13:07:01 -0700
Subject: [PATCH] doc: improve -o help

* src/grep.c (usage): Document that -o outputs only nonempty
matches (Bug#27931).
---
 src/grep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/grep.c b/src/grep.c
index 8d22aec..dd338d9 100644
--- a/src/grep.c
+++ b/src/grep.c
@@ -1949,7 +1949,7 @@ Output control:\n\
       --label=LABEL         use LABEL as the standard input file name prefix\n\
 "));
       printf (_("\
-  -o, --only-matching       show only the part of a line matching PATTERN\n\
+  -o, --only-matching       show only nonempty parts of lines matching PATTERN\n\
   -q, --quiet, --silent     suppress all normal output\n\
       --binary-files=TYPE   assume that binary files are TYPE;\n\
                             TYPE is 'binary', 'text', or 'without-match'\n\
-- 
2.13.3