Document expat dependency when using http-push.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/INSTALL b/INSTALL
index 6e336d7..bbb13f3 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -46,6 +46,9 @@ Issues of note:
          transfer, you are probabaly OK if you do not have
          them.
 
+       - expat library; git-http-push uses it for remote lock
+         management over DAV.  Similar to "curl" above, this is optional.
+
        - "GNU diff" to generate patches.  Of course, you don't _have_ to
          generate patches if you don't want to, but let's face it, you'll
          be wanting to. Or why did you get git in the first place?