Add example of grep output with context lines.

1 files changed, 14 insertions, 5 deletions

diff --git a/etc/grep.txt b/etc/grep.txt
index 68d2f0c03fa..4149f80b203 100644
--- a/etc/grep.txt
+++ b/etc/grep.txt
@@ -29,16 +29,25 @@ GREP_COLORS='mt=01;31:fn=:ln=:bn=:se=:ml=:cx=:ne' grep -nH --color=always -e "IN
 grep -nH --color=always -e "INFO tree" ../info/*
 ../info/dir:6:File: dir Node: Top       This is the top of the INFO tree
 
-* GNU grep 2.5.1 on files recognized as binary
-
-Binary file emacs-7 matches
-Binary file 2005-06 matches
-
 * GNU grep 2.5.1 on lines starting with a number and colon
 
 grep -nH -e "Universal Time" ../lispref/*
 ../lispref/os.texi:1010:0:00 January 1, 1970 UTC (Coordinated Universal Time)
 
+* GNU grep 2.5.1 with context lines
+
+grep -C 2 -nH --color=always -e "INFO tree" ../info/*
+../info/dir-4-looking at that node, which is (dir)Top.
+../info/dir-5-
+../info/dir:6:File: dir Node: Top       This is the top of the INFO tree
+../info/dir-7-
+../info/dir-8-The Info Directory
+
+* GNU grep 2.5.1 on files recognized as binary
+
+Binary file emacs-7 matches
+Binary file 2005-06 matches
+
 * GNU grep 2.5.1: other messages
 
 grep: ../info/dirinfo: No such file or directory