Agreed to defer to future DFDL 1.1.

Regards
 
Steve Hanson
Architect, IBM DFDL
Co-Chair, OGF DFDL Working Group
IBM SWG, Hursley, UK
smh@uk.ibm.com
tel:+44-1962-815848
----- Forwarded by Steve Hanson/UK/IBM on 23/09/2014 17:37 -----

From:        Steve Hanson/UK/IBM
To:        Mike Beckerle <mbeckerle.dfdl@gmail.com>,
Cc:        "dfdl-wg@ogf.org" <dfdl-wg@ogf.org>, dfdl-wg-bounces@ogf.org
Date:        16/07/2014 08:51
Subject:        Re: [DFDL-WG] stop bit encoding

---

That's correct.  This is the example of stop-bit encoding that I have referred to in the past. It's actually the FAST (FIX Adapted for STreaming) protocol, and not the standard FIX format.

Regards
 
Steve Hanson
Architect, IBM DFDL
Co-Chair, OGF DFDL Working Group
IBM SWG, Hursley, UK
smh@uk.ibm.com
tel:+44-1962-815848



From:        Mike Beckerle <mbeckerle.dfdl@gmail.com>
To:        "dfdl-wg@ogf.org" <dfdl-wg@ogf.org>,
Date:        15/07/2014 18:34
Subject:        [DFDL-WG] stop bit encoding
Sent by:        dfdl-wg-bounces@ogf.org

---

The FIX protocols (financial interchange)  make use of stop bit encoding.
I have heard of other places using this also. This is modern, current, non-legacy usage.

This is the length encoding where the most-significant bit of a byte is used to determine whether there are more ASCII characters or not. The last byte will have the most-significant bit of 1, prior bytes most-significant bit of 0. Minimum length in this length kind is 1.

It seems we are missing this lengthKind, which applies only to text in the ASCII/US-ASCII encoding.

Mike Beckerle | OGF DFDL Workgroup Co-Chair | Tresys Technology | www.tresys.com
Please note: Contributions to the DFDL Workgroup's email discussions are subject to the OGF Intellectual Property Policy
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Unless stated otherwise above:
IBM United Kingdom Limited - Registered in England and Wales with number 741598.
Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU