[DFDL-WG] This week's DFDL WG meeting

[Mike Beckerle]

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 at us.ibm.com 
                  508-599-7046


----- Forwarded by Mike Beckerle/Worcester/IBM on 06/27/2007 09:56 AM 
-----

"Simon Parker" <simon.parker at polarlake.com> 
06/20/2007 09:52 AM

To
Mike Beckerle/Worcester/IBM at IBMUS, "Martin Westhead" <westhead at avaya.com>
cc

Subject
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
Software Consultant
PolarLake
80 Harcourt Street
Dublin 2, Ireland
 
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