[DFDL-WG] New internal draft of Core document

[Mike Beckerle]

I've posted version 017 of the internal draft core spec. to the gridforge 
site. Here is the URL:

 
https://forge.gridforum.org/sf/docman/do/viewDocument/projects.dfdl-wg/docman.root.current_0/doc14407?_message=1177035246251

I'd like to ask people to review it with an eye towards whether the 
semantics part is clear enough or at least getting there. 

The major accomplishment in this draft was folding together some of 
Geoff's material on defaults/nulls/missing/optional (especially the input 
flow-charts) into the parse-strategies technique so as to illustrate that 
the parse-strategies framework I had put in was capable of handling this 
complexity.

This spec is really now getting to the limit of what I can do in MS-Word. 
I.e., there's too much stuff in here that really needs to be developed as 
code in a programming language to insure there are no errors in it. 
Assuming the semantics framework is now ok, the next work is really 
cranking out actual parse and length strategy and conversion definitions, 
and this is going to be very error prone unless done in some type-checked 
and executable form. 

...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

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