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

diff --git a/Documentation/git-diff.txt b/Documentation/git-diff.txt
index 7acd428964a9e6ffc4b876ce01731c1daf3a72bc..c53eba557d0a242a0d8553d9569ce8b2eb86331b 100644 (file)
--- a/Documentation/git-diff.txt
+++ b/Documentation/git-diff.txt
@@ -8,14 +8,14 @@ git-diff - Show changes between commits, commit and working tree, etc
 
 SYNOPSIS
 --------
-'git-diff' [<common diff options>] <commit>{0,2} [--] [<path>...]
+'git diff' [<common diff options>] <commit>{0,2} [--] [<path>...]
 
 DESCRIPTION
 -----------
 Show changes between two trees, a tree and the working tree, a
 tree and the index file, or the index file and the working tree.
 
-'git-diff' [--options] [--] [<path>...]::
+'git diff' [--options] [--] [<path>...]::
 
        This form is to view the changes you made relative to
        the index (staging area for the next commit).  In other
@@ -27,14 +27,14 @@ If exactly two paths are given, and at least one is untracked,
 compare the two files / directories. This behavior can be
 forced by --no-index.
 
-'git-diff' [--options] --cached [<commit>] [--] [<path>...]::
+'git diff' [--options] --cached [<commit>] [--] [<path>...]::
 
        This form is to view the changes you staged for the next
        commit relative to the named <commit>.  Typically you
        would want comparison with the latest commit, so if you
        do not give <commit>, it defaults to HEAD.
 
-'git-diff' [--options] <commit> [--] [<path>...]::
+'git diff' [--options] <commit> [--] [<path>...]::
 
        This form is to view the changes you have in your
        working tree relative to the named <commit>.  You can
@@ -42,23 +42,23 @@ forced by --no-index.
        branch name to compare with the tip of a different
        branch.
 
-'git-diff' [--options] <commit> <commit> [--] [<path>...]::
+'git diff' [--options] <commit> <commit> [--] [<path>...]::
 
        This is to view the changes between two arbitrary
        <commit>.
 
-'git-diff' [--options] <commit>..<commit> [--] [<path>...]::
+'git diff' [--options] <commit>..<commit> [--] [<path>...]::
 
        This is synonymous to the previous form.  If <commit> on
        one side is omitted, it will have the same effect as
        using HEAD instead.
 
-'git-diff' [--options] <commit>\...<commit> [--] [<path>...]::
+'git diff' [--options] <commit>\...<commit> [--] [<path>...]::
 
        This form is to view the changes on the branch containing
        and up to the second <commit>, starting at a common ancestor
-       of both <commit>.  "git-diff A\...B" is equivalent to
-       "git-diff $(git-merge-base A B) B".  You can omit any one
+       of both <commit>.  "git diff A\...B" is equivalent to
+       "git diff $(git-merge-base A B) B".  You can omit any one
        of <commit>, which has the same effect as using HEAD instead.
 
 Just in case if you are doing something exotic, it should be