1213

======== BEGIN INBOUND STREAM ========
PATCH /articles/123/ HTTP/1.1
Host: example.com
User-Agent: demo
Content-Type: text/plain;charset=utf-8
Content-Length: 11

foo bar

======== BEGIN OUTBOUND STREAM ========
HTTP/1.1 415 Unsupported Media Type
Date: Thu, 31 Dec 2015 18:26:56 GMT
Content-Type: text/plain
Content-Length: 34
Accept-Patch: text/x-diff

Use a real patch format, please.
