git grep: Add "-z/--null" option as in GNU's grep.

diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt
index 088f971b790ddd11d39ab2c3b441833961e53a0f..2921da320d2b84df4d15ec2745e6d94093dd6907 100644 (file)
--- a/Documentation/git-rev-parse.txt
+++ b/Documentation/git-rev-parse.txt
@@ -155,8 +155,9 @@ blobs contained in a commit.
   name the same commit object if there are no other object in
   your repository whose object name starts with dae86e.
 
-* An output from 'git-describe'; i.e. a closest tag, followed by a
-  dash, a `g`, and an abbreviated object name.
+* An output from 'git-describe'; i.e. a closest tag, optionally
+  followed by a dash and a number of commits, followed by a dash, a
+  `g`, and an abbreviated object name.
 
 * A symbolic ref name.  E.g. 'master' typically means the commit
   object referenced by $GIT_DIR/refs/heads/master.  If you
@@ -426,7 +427,7 @@ but if $REV is empty, the commit object name from master will be printed.
 Author
 ------
 Written by Linus Torvalds <torvalds@osdl.org> .
-Junio C Hamano <junkio@cox.net> and Pierre Habouzit <madcoder@debian.org>
+Junio C Hamano <gitster@pobox.com> and Pierre Habouzit <madcoder@debian.org>
 
 Documentation
 --------------