Add the --submodule option to the diff option family

diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt
index 5c6e678aa3d9e75570d5a5578e38b0a45bae720e..2a845b1e57590a6f18f05fd3efa858b736c1071a 100644 (file)
--- a/Documentation/pretty-formats.txt
+++ b/Documentation/pretty-formats.txt
@@ -121,6 +121,7 @@ The placeholders are:
 - '%d': ref names, like the --decorate option of linkgit:git-log[1]
 - '%e': encoding
 - '%s': subject
+- '%f': sanitized subject line, suitable for a filename
 - '%b': body
 - '%Cred': switch color to red
 - '%Cgreen': switch color to green