Open Grid Forum: Data Format Description Language Working Group Weekly Working Group Conference Call 13:00 GMT, 19 November 2008 Attendees Steve Hanson (IBM) Mike Beckerle(Oco) Alan Powell (IBM) 1. Moving to XSD 1.1 as base for DFDL Went through MB email of 12/11/08 [DFDL-WG] XML Schema 1.1 implications for DFDL Agreed the following warranted further investigation - open content - Wildcard Element Name Namespace Flexibility - needs clarification of use in dfdl - Xsd:all groups - as a replacement for unordered groups - XPath Usage - Type Tables and Alternative Conditional Types - xsd:override - support primitive datatypes and facets beyond those defined in [XML Schema: Datatypes] 5. Action Items/ Work Items. Didn't go through actions. Agree a new version of the spec would be issuesd at the end of November and all included work items would be highlighted in work item table 6. AOB Next call 26 November Meeting closed, 13:10 GMT Actions raised at this meeting No Action Current Actions: No Action 003 AP: Update spec from WTX document 13/8: All resolved issues have been added to spec. Remaining unresolved items need discussion 10/9: Alan will pull out the remaining unresolved items and circulate for discussion next week 17/9: Doc distributed and partially discussed 15/10: All updateds complete except minlength 22/10: No update 12/11: Updates have been sent to wtx to review. Will chase up for comments 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 018 AP: Agree padding to minimum length 15/10: Needs documenting 22/10: No update 020 SH: Resolve packedDecimalSignCodes behaviour depends on NumberCheckPolicy 22/10: No progress 023 MB: Review Schema 1.1 024 String XML type 025 Escape schemes 026 SH: Envelopes and Payloads 027 Property precedence tables 028 Variable markup 029 valueCalc (output length calculation) Closed actions: 033 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) 004 Selectors (Suman/Alan) - Apr 30, 2008 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) - *complete but 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 * 013 (from F2F) New scoping rules 014 (from F2F) Occurs, OccurSeparator changes 015 (from F2F) choices and Output (Mike) 016 (from F2F) xpath forward references (Alan) *complete* 017 (IBM WTX review) Minor agreed updates (Alan) *complete* 018 (IBM WTX review) Review generateNewLine (Alan) *complete* 020 (IBM WTX review) Special value for zero seen eg 'zero'. (Steve) 021 (IBM WTX review) 'EndOfData' changes (Alan) 022 (IBM WTX review) Unresolvable choices - infoset changes *complete* 023 (IBM WTX review) separatorKind=?prefix? ?infix? or ?postfix? (Alan) 024 (IBM WTX review) StopValue clarification (Alan) 025 Augmented infoset and unparsing (Alan) 026 Hidden changes 027 Add decimal supp to main spec 028 Remove extended floats 029 AP: enum + expression wording 030 AP: Add hidden changes to spec 031 All: Document EndOfData changes 032 AP: Document defineTextNumber etc 032 AP: Document textNumberRepresenation and binaryNumberRepresentation Alan Powell MP 211, IBM UK Labs, Hursley, Winchester, SO21 2JN, England Notes Id: Alan Powell/UK/IBM email: alan_powell@uk.ibm.com Tel: +44 (0)1962 815073 Fax: +44 (0)1962 816898 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