From: dfdl-wg-bounces@ogf.org [mailto:dfdl-wg-bounces@ogf.org] On Behalf Of Steve Hanson
Sent: 27 June 2007 15:23
To: Mike Beckerle
Cc: dfdl-wg@ogf.org; dfdl-wg-bounces@ogf.org
Subject: Re: [DFDL-WG] This week's DFDL WG meeting
I can't make the call this week either. I suggest we cancel.
Regards, Steve
Steve Hanson
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Mike Beckerle <beckerle@us.ibm.com>
Sent by: dfdl-wg-bounces@ogf.org27/06/2007 13:56
dfdl-wg@ogf.org [DFDL-WG] This week's DFDL WG meeting
I will be unable to attend this week's call.
Martin said he also would be unable to attend.
However, Simon sent a marked up document last week (forwarded in this email) and the comments he made might be discussed this week if there is a quorum. E.g., he suggests reformulating the properties we use for length along the lines originally suggested by Kris Rose, i.e, eliminate the separate lengthUnits property to reduce coupling. Somehow Simon's version seems simpler though.
...mikeb
Mike Beckerle
STSM, Architect, Scalable Computing
IBM Software Group
Information Platform and Solutions
Westborough, MA 01581
direct: voice and FAX 508-599-7148
assistant: Pam Riordan
priordan@us.ibm.com
508-599-7046
----- Forwarded by Mike Beckerle/Worcester/IBM on 06/27/2007 09:56 AM -----
"Simon Parker" <simon.parker@polarlake.com> 06/20/2007 09:52 AM
Mike Beckerle/Worcester/IBM@IBMUS, "Martin Westhead" <westhead@avaya.com> DFDL specification comments
Good afternoon.
As long promised, I've read the specification and embedded some comments and suggested corrections with 'Track changes' switched on.
I have some observations that don't fit well in those little yellow boxes, so I hope to air them on the wiki.
I see significant opportunities for simplifying the language and its specification in the area would call 'composability' (encompassing 'Kernel DFDL' and 'Layers'). In short: find a general way to define complex structures as groups of simple fields.
I've already offered to try to find an alternative technique for specifying parser semantics, but haven't made much progress with that yet.
Some ideas occurred to me as I read about defaults, null values and so on. It's a smaller topic and maybe an easier starting point, so I created a wiki page.
Like everyone, I've not much time to devote to this interesting and worthwhile project. My contributions may seem sketchy, terse or ragged, but they're well meant.
More later,
Simon
Simon Parker
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