From 6570cab515e073fad4b7bf8f5ada4bb4cff12788 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sun, 25 Oct 2020 19:58:51 +0100
Subject: specify better status code for existing proposal

---
 core/api-merchant.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/api-merchant.rst b/core/api-merchant.rst
index 54e2492b..fd8bb583 100644
--- a/core/api-merchant.rst
+++ b/core/api-merchant.rst
@@ -660,6 +660,8 @@ Payment processing
     in the inventory.  Or the merchant instance is unknown.  Details in the
     error code. NOTE: no good way to find out which product is not in the
     inventory, we MAY want to specify that in the reply.
+  :status 409 Conflict:
+    A different proposal already exists under the specified order ID.
   :status 410 Gone:
     The order given used products from the inventory that are out of stock.
     The reponse is a :ts:type:`OutOfStockResponse`.
-- 
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