From 838896991dcfe983525baa34f30fed0c2af2df6b Mon Sep 17 00:00:00 2001
From: Neil Booth <kyuupichan@gmail.com>
Date: Tue, 3 Jul 2018 18:04:16 -0700
Subject: [PATCH] Document status when tx list empty.

---
 docs/protocol-basics.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/protocol-basics.rst b/docs/protocol-basics.rst
index 18be36a..7d51ccd 100644
--- a/docs/protocol-basics.rst
+++ b/docs/protocol-basics.rst
@@ -192,4 +192,5 @@ transaction has at least one unconfirmed input, and ``0`` if all
 inputs are confirmed.
 
 4. The :dfn:`status` of the script hash is the :func:`sha256` hash of the
-full string expressed as a hexadecimal string.
+full string expressed as a hexadecimal string, or :const:`null` if the
+string is empty because there are no transactions.