[DFDL-WG] Issue 140 spinoff - proposed revised grammar

[Mike Beckerle]

I've attached version 006. I added an important top-level distinction. Only
"enclosed" elements can be absent. A top level document element cannot be
absent.



On Tue, Jul 31, 2012 at 11:33 AM, Mike Beckerle <mbeckerle.dfdl at gmail.com>wrote:

> Attached revised grammar 005 - proposed as "to become an errata".
>
>
>
>
> On Mon, Jul 30, 2012 at 6:29 AM, Steve Hanson <smh at uk.ibm.com> wrote:
>
>> A couple of further revisions.
>>
>>
>>
>> Regards
>>
>> Steve Hanson
>> Architect, Data Format Description Language (DFDL)
>> Co-Chair, *OGF DFDL Working Group* <http://www.ogf.org/dfdl/>
>> IBM SWG, Hursley, UK*
>> **smh at uk.ibm.com* <smh at uk.ibm.com>
>> tel:+44-1962-815848
>>
>>
>>
>> From:        Mike Beckerle <mbeckerle.dfdl at gmail.com>
>> To:        Steve Hanson/UK/IBM at IBMGB
>> Cc:        Tim Kimber/UK/IBM at IBMGB
>> Date:        25/07/2012 16:49
>> Subject:        Re: Issue 140 spinoff - proposed revised grammar
>> ------------------------------
>>
>>
>>
>> Revised per call today. For your consideration.
>>
>> ...mikeb
>>
>> On Wed, Jul 11, 2012 at 7:39 AM, Steve Hanson <*smh at uk.ibm.com*<smh at uk.ibm.com>>
>> wrote:
>> I've made some updates which I think solves the complex empty issue, ties
>> the grammar more closely to the action 140 rep definitions, and addresses
>> Tim's content v value distinction.
>>
>> Let me know what you think.
>>
>>
>>
>> Regards
>>
>> Steve Hanson
>> Architect, Data Format Description Language (DFDL)
>> Co-Chair, *OGF DFDL Working Group* <http://www.ogf.org/dfdl/>
>> IBM SWG, Hursley, UK*
>> **smh at uk.ibm.com* <smh at uk.ibm.com>
>> tel:*+44-1962-815848* <%2B44-1962-815848>
>>
>>
>>
>> From:        Mike Beckerle <*mbeckerle.dfdl at gmail.com*<mbeckerle.dfdl at gmail.com>
>> >
>> To:        Steve Hanson/UK/IBM at IBMGB, Tim Kimber/UK/IBM at IBMGB
>> Date:        10/07/2012 16:25
>> Subject:        Re: Issue 140 spinoff - proposed revised grammar
>>  ------------------------------
>>
>>
>>
>>
>> Accept-all-changes on that document before you try to read it.  Or use
>> the attached.
>>
>> On Tue, Jul 10, 2012 at 11:19 AM, Mike Beckerle <*
>> mbeckerle.dfdl at gmail.com* <mbeckerle.dfdl at gmail.com>> wrote:
>> I took a crack at revising the grammar to something more accurate, more
>> useful. It's bigger, but not 3 times as big.
>>
>> I like it, but then I'm an implementor, not a user of this spec trying to
>> devise a schema.  Our audience is both however.
>>
>> I am curious what you think.
>>
>> One thing it cannot capture is the complexity of complex empty's, i.e.,
>> the fact that a complex empty requires one to sometimes descend recursively
>> first, and then check for empty. From the grammar you would think you can
>> always check for this first.
>>
>> Fact is, you have to descend recursively in order to pop back up, and
>> have the representation be found to match what I call EmptyElement. But the
>> grammar can't show that. (well, maybe it could... I'll think about that
>> further.)
>>
>> ...mike
>>
>> --
>> Mike Beckerle | OGF DFDL WG Co-Chair
>> Tel:  *781-330-0412* <781-330-0412>
>>
>>
>>
>>
>> --
>> Mike Beckerle | OGF DFDL WG Co-Chair
>> Tel:  *781-330-0412* <781-330-0412>
>> [attachment "grammar-revision.docx" deleted by Steve Hanson/UK/IBM]
>>
>> 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
>>
>>
>>
>> --
>> Mike Beckerle | OGF DFDL WG Co-Chair
>> Tel:  781-330-0412
>> [attachment "grammar-revision-003.doc" deleted by Steve Hanson/UK/IBM]
>>
>> 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
>>
>
>
>
> --
> Mike Beckerle | OGF DFDL WG Co-Chair
> Tel:  781-330-0412
>
>


-- 
Mike Beckerle | OGF DFDL WG Co-Chair
Tel:  781-330-0412
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