[DFDL-WG] DFDL: Minutes of OGF DFDL Working Group Call, April-1-2009

[Alan Powell]

Open Grid Forum: Data Format Description Language Working Group

OGF DFDL Working Group Call, April-1-2009


Attendees
Alan Powell (IBM)
Steve Hanson (IBM)

Apologies
Mike Beckerle(Oco)
Dave Glick (drac)
Suman Kalia (IBM)


As only SH and AP were available the call was cancelled

Next call 8 April 14:00 UK

Meeting closed, 14:00


Actions raised at this meeting

No
Action 
















Current Actions:
No
Action 


012
AP/SH: Update decimalCalendarScheme
10/9: Not allocated yet
17/9: No update
24/9: Add calendar binary formats to actions
22/10: No progress
16/1: proposal distributed and discussed. Will be redistributed
21/1: add locale, 
04/02: changed from locale to specific properties
18/2: Need more investigation of ICU strict/lax behaviour.



020
SH: Resolve packedDecimalSignCodes behaviour depends on NumberCheckPolicy 
22/10: No progress
10/12: added how to decide to overpunch and sign position
11/02: proposal largely agreed. SH to make minor changes
18/02: AP to document unsigned type behaviour
25/02: no progress
023
MB: Review Schema 1.1
29/1: AP and SH to talk to Sandy Gao
04/02 Call arranged for Friday
11/02: Call took place. Identified useful changes. Consolidate with 
previous list.
04/03: decided to stay on Schema 1.0.
024
String XML type
025
Escape schemes 
21/1: discussed requirements
04/02: AP/SH to describe behaviour for known length text fields. Need to 
discuss if comment escapes should be supported.
11/02 new draft distributed:
18/02: SH up document concerns
25/02: SH and AP have refined proposal ready for approval.
04/03: SH and AP have further refined proposal.
11/03: discussed. suggested a simplified proposal be evaluated.
18/03: SH and AP had further discussions on simplified proposal
026
SH: Envelopes and Payloads
027
Property precedence tables
028
Variable markup
029
 valueCalc (output length calculation)
031
DG: Review dfdl v033
11/02:  Initial comments received
18/02: Will include work items 5 and 12.
11/03: complete
032
DG: Investigate compatibility between DFDL infoset and XDM
033
04/03: Assert/Discriminator semantics. AP to document. TK to check uses of 
discriminator besides choice.
034
04/03: AP remove redundant properties

Closed actions:


















034 Work items:
No
Item

001
String XML type (Ian P) - Apr 30, 2008 

002
Escape schemes (Ian P) - Apr 30, 2008 

003
Variables - ??, 2008 (Mike) 

005
Improvements on property descriptions - ??, 2008 (All - split TBD) 

006
Envelopes and Payloads (Steve) - Apr 30, 2008

007
(from draft 32) valueCalc (Mike) - ??, 2008  
mostly
complete
008
(from draft 32) Property precedence for writing (Steve) - 
under review
009
(from draft 32) Variable markup (Steve) - Mar 31, 2008  
proposal needs writing up
010
(from draft 32) Assertions, discriminators and choice, including 
discussion of timing option (Suman) - Mar 31, 2008 * in progress *

011
(from draft 32) How speculative parsing works (combining choice and 
variable-occurence - currently these are separate) ??, 2008 (IBM) 
 in progress 
012
(from draft 32) Reordering the properties discussion: move representation 
earlier, improve flow of topics ??, 2008 (Alan) * not started *

025
Augmented infoset and unparsing (Alan) 
added but needs work
026
 Remove duration

complete - specification updated

Alan Powell

 MP 211, IBM UK Labs, Hursley,  Winchester, SO21 2JN, England
 Notes Id: Alan Powell/UK/IBM     email: alan_powell at uk.ibm.com 
 Tel: +44 (0)1962 815073                  Fax: +44 (0)1962 816898






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