Add --tags documentation, scraped from JC mail.

diff --git a/update-ref.c b/update-ref.c
index 4a1704c1a538ffde8eed46d4efb253b2d9b31b7f..65dc3d6385756a11aac257a3ed6a9dfcb68cce53 100644 (file)
--- a/update-ref.c
+++ b/update-ref.c
@@ -1,6 +1,5 @@
 #include "cache.h"
 #include "refs.h"
-#include <ctype.h>
 
 static const char git_update_ref_usage[] = "git-update-ref <refname> <value> [<oldval>]";