git-rev-tree: teach it about tag references

diff --git a/Documentation/git-diff-files.txt b/Documentation/git-diff-files.txt
index 0ad2f89550dd325b52a02fd00dc0e26b368b60ce..9f9bb1453121ae9f8641ca65dfe70d2575ffa2f9 100644 (file)
--- a/Documentation/git-diff-files.txt
+++ b/Documentation/git-diff-files.txt
@@ -9,7 +9,7 @@ git-diff-files - Compares files in the working tree and the cache
 
 SYNOPSIS
 --------
-'git-diff-files' [-p] [-q] [-r] [-z] [<pattern>...]
+'git-diff-files' [-p] [-q] [-r] [-z] [-M] [-C] [-R] [-S<string>] [<pattern>...]
 
 DESCRIPTION
 -----------
@@ -26,6 +26,19 @@ OPTIONS
 -q::
        Remain silent even on nonexisting files
 
+-R::
+       Output diff in reverse.
+
+-M::
+       Detect renames.
+
+-C::
+       Detect copies as well as renames.
+
+-S<string>::
+       Look for differences that contains the change in <string>.
+
+
 -r::
        This flag does not mean anything.  It is there only to match
        git-diff-tree.  Unlike git-diff-tree, git-diff-files always looks