t7501: add test of "commit --dry-run --short"

diff --git a/Documentation/technical/pack-protocol.txt b/Documentation/technical/pack-protocol.txt
index 508a344cf19fa702219c62b61ef5e04960c246b9..6ac774d5f665614848cdaba9e4c97d86a2453913 100644 (file)
--- a/Documentation/technical/pack-protocol.txt
+++ b/Documentation/technical/pack-protocol.txt
@@ -50,7 +50,8 @@ Each Extra Parameter takes the form of `<key>=<value>` or `<key>`.
 
 Servers that receive any such Extra Parameters MUST ignore all
 unrecognized keys. Currently, the only Extra Parameter recognized is
-"version=1".
+"version" with a value of '1' or '2'.  See protocol-v2.txt for more
+information on protocol version 2.
 
 Git Transport
 -------------